Manfred K. A. Thumm

Manfred K. A. Thumm's AcademicInfluence.com Rankings

Manfred K. A. Thumm

Physics

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Physics

Manfred K. A. Thumm's Degrees

PhD Physics University of Stuttgart

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Manfred K. A. Thumm's Published Works

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Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Gyrotrons: High-Power Microwave and Millimeter Wave Technology (2003) (269)
Passive high-power microwave components (2002) (240)
State-of-the-Art of High-Power Gyro-Devices and Free Electron Masers (2020) (218)
The Gyrotron at 50: Historical Overview (2014) (165)
Electron Cyclotron Heating for W7-X: Physics and Technology (2007) (159)
High-power millimetre-wave mode converters in overmoded circular waveguides using periodic wall perturbations (1984) (137)
2.2-MW Record Power of the 170-GHz European Preprototype Coaxial-Cavity Gyrotron for ITER (2010) (132)
Overview of first Wendelstein 7-X high-performance operation (2019) (131)
Theory of Nonuniform Waveguides: The cross-section method (1998) (123)
Major results from the first plasma campaign of the Wendelstein 7-X stellarator (2017) (123)
Initial operation of the Wendelstein 7AS advanced stellarator (1989) (120)
Frequency step-tunable (114–170 GHz) megawatt gyrotrons for plasma physics applications (2001) (104)
A 2 MW, 170 GHz coaxial cavity gyrotron (2003) (100)
MW gyrotron development for fusion plasma applications (2003) (95)
Recent Advances in the Worldwide Fusion Gyrotron Development (2014) (94)
Novel Applications of Millimeter and Submillimeter Wave Gyro-Devices (2001) (93)
High Power Gyro-Devices for Plasma Heating and Other Applications (2005) (93)
Technical challenges in the construction of the steady-state stellarator Wendelstein 7-X (2013) (91)
Overview of the ITER EC H&CD system and its capabilities (2011) (88)
Experimental Investigations and Analysis of Parasitic RF Oscillations in High-Power Gyrotrons (2010) (86)
Sintering of advanced ceramics using a 30-GHz, 10-kW, CW industrial gyrotron (1999) (85)
First results of the CERN Resonant Weakly Interacting sub-eV Particle Search (CROWS) (2013) (85)
CVD diamond windows studied with low- and high-power millimeter waves (2002) (82)
Coaxial cavity gyrotron- recent experimental results (2002) (81)
EU Megawatt-Class 140-GHz CW Gyrotron (2006) (80)
Development of a 140-GHz 1-MW continuous wave gyrotron for the W7-X stellarator (2002) (76)
Bragg reflectors (1992) (76)
Development of Output Windows for High-Power Long-Pulse Gyrotrons and EC Wave Applications (1998) (73)
Novel Numerical Method for the Analysis and Synthesis of the Fields in Highly Oversized Waveguide Mode Converters (2009) (72)
ITER R&D: Auxiliary Systems: Electron Cyclotron Heating and Current Drive System (2001) (69)
Mode conversion due to curvature in corrugated waveguides (1991) (67)
High power mode conversion for linearly polarized HE11 hybrid mode output (1986) (66)
A waveguide-based two-step approach for measuring complex permittivity tensor of uniaxial composite materials (2006) (66)
CHEMICAL VAPOR DEPOSITION DIAMOND WINDOW FOR HIGH-POWER AND LONG PULSE MILLIMETER WAVE TRANSMISSION (1998) (66)
High-power gyrotrons for electron cyclotron heating and current drive (2019) (66)
Development of a 140 GHz, 1 MW, Continuous Wave Gyrotron for the W7-X Stellarator (2001) (65)
First Experimental Results from the European Union 2-MW Coaxial Cavity ITER Gyrotron Prototype (2009) (65)
165-GHz coaxial cavity gyrotron (2004) (65)
Mode coupling in corrugated waveguides with varying wall impedance and diameter change (1991) (63)
Progress on Gyrotrons for ITER and Future Thermonuclear Fusion Reactors (2010) (62)
MPACVD-diamond windows for high-power and long-pulse millimeter wave transmission (2001) (62)
MPACVD-diamond windows for high-power and long-pulse millimeter wave transmission (2001) (62)
Status of the new multi-frequency ECRH system for ASDEX Upgrade (2007) (60)
A 1.5-MW, 140-GHz, TE/sub 28,16/-coaxial cavity gyrotron (1997) (60)
Free-electron maser based on two-dimensional distributed feedback (2005) (58)
Progress in gyrotron development (2003) (58)
European high-power CW gyrotron development for ECRH systems (2001) (58)
Single-stage depressed collectors for gyrotrons (1996) (57)
A high-efficiency quasi-optical mode converter for a 140-GHz 1-MW CW gyrotron (2005) (56)
A 2-MW, 170-GHz coaxial cavity gyrotron (2004) (52)
First Operation of a Step-Frequency Tunable 1-MW Gyrotron With a Diamond Brewster Angle Output Window (2014) (52)
Surface Flute Waves in Plasmas (2014) (51)
ECRH and ECCD with high power gyrotrons at the stellarators W7-AS and W7-X (1999) (50)
Recent results of the 1-MW, 140-GHz, TE/sub 22,6/-mode gyrotron (1999) (48)
On the use of step-tuneable gyrotrons in ITER (2005) (48)
Design of short high-power TE/sub 11/-HE/sub 11/ mode converters in highly overmoded corrugated waveguides (1991) (47)
High-power gyrotron development at Forschungszentrum Karlsruhe for fusion applications (2005) (47)
The role of the native oxide shell on the microwave sintering of copper metal powder compacts (2015) (46)
Theory and experiments of electromagnetic loss mechanism for microwave heating of powdered metals (2004) (46)
Design and experimental operation of a 165-GHz, 1.5-MW, coaxial-cavity gyrotron with axial RF output (1997) (46)
Recent advanced technology in electron cyclotron heating systems (1995) (46)
Frequency-tunable CW gyro-BWO with a helically rippled operating waveguide (2004) (45)
Fast frequency-step-tunable high-power gyrotron with hybrid-magnet-system (2001) (43)
D-band frequency step-tuning of A 1 MW gyrotron using a brewster output window (1997) (43)
Analysis and design of periodic structures for microstrip lines by using the coupled mode theory (2002) (41)
165 GHz, 1.5 MW-coaxial cavity gyrotron with depressed collector (1999) (41)
High power 170 GHz test of CVD diamond for ECH window (1997) (40)
Recent Developments on High-Power Gyrotrons—Introduction to This Special Issue (2011) (40)
Design considerations for future DEMO gyrotrons: A review on related gyrotron activities within EUROfusion (2017) (39)
On potentials of gyrotron efficiency enhancement: measurements and simulations on a 4-mm gyrotron (2006) (38)
Coaxial cavity gyrotron with dual RF beam output (1998) (38)
EU developments of the ITER ECRH system (2007) (38)
Quasi-Optical Mode Converter/Mirror System for a High-Power Coaxial-Cavity Gyrotron (2006) (37)
From Series Production of Gyrotrons for W7-X Toward EU-1 MW Gyrotrons for ITER (2014) (37)
Electron trapping mechanisms in magnetron injection guns (2016) (37)
Auxiliary ECR heating system for the gas dynamic trap (2012) (36)
Transverse field collector sweep system for high power CW gyrotrons (2007) (35)
A new approach for a multistage depressed collector for gyrotrons (2000) (35)
Preferred orientation of pores in ceramics under heating by a linearly polarized microwave field (2007) (35)
Electron Cyclotron Resonance Heating in the Wendelstein VII-A Stellarator (1986) (35)
A 2 MW, CW, 170 GHz Coaxial Cavity Gyrotron for ITER (2003) (34)
An Inverse Magnetron Injection Gun for the KIT 2-MW Coaxial-Cavity Gyrotron (2016) (34)
Experimental results and numerical simulations of a high power 140 GHz gyrotron (1994) (34)
Millimetre wave effects on sintering behaviour of metal powder compacts (2006) (34)
Theoretical investigation of an advanced launcher for a 2-MW 170-GHz TE/sub 34,19/ coaxial cavity gyrotron (2006) (34)
Using Two-Dimensional Distributed Feedback for Synchronization of Radiation from Two Parallel-Sheet Electron Beams in a Free-Electron Maser. (2016) (34)
Innovation on high-power long-pulse gyrotrons (2011) (33)
140-GHz gyrotron with multimegawatt output power (2000) (32)
140 GHz, 1 MW CW Gyrotron Development for Fusion Applications—Progress and Recent Results (2011) (32)
Vacuum electronics : components and devices (2008) (32)
Possibilities for multifrequency operation of a gyrotron at FZK (2002) (32)
Analysis of a Complete Gyrotron Oscillator Using the Scattering Matrix Description (1998) (32)
Status of the development of the EU 170 GHz/1 MW/CW gyrotron (2015) (32)
Electron-cyclotron-resonance heating in Wendelstein 7-X: A versatile heating and current-drive method and a tool for in-depth physics studies (2018) (31)
Mode competition using TE03 gyrotron cavities (1992) (31)
Advanced electron cyclotron heating systems for next-step fusion experiments (1995) (31)
Microwave innovation for industrial composite fabrication-the HEPHAISTOS technology (2004) (31)
Recent Upgrades and Extensions of the ASDEX Upgrade ECRH System (2011) (30)
Fast Switching and Power Combination of High-Power Electron Cyclotron Wave Beams: Principles, Numerical Results, and Experiments (2007) (30)
Confinement of stellarator plasmas with neutral beam and RF heating in W VII-A (1986) (30)
Optimized overmoded TE01-to-TM11 mode converters for high-power millimeter wave applications at 70 and 140 GHz (1986) (30)
Dynamics and Spectral Composition of Subterahertz Emission From Plasma Column Due to Two-Stream Instability of Strong Relativistic Electron Beam (2016) (30)
Long-pulse operation of a 0.5 MW TE/sub 10.4/ gyrotron at 140 GHz (1996) (30)
Generation of High-Power Sub-THz Waves in Magnetized Turbulent Electron Beam Plasmas (2014) (30)
Generation of the Gaussian-like HE11 mode from gyrotron TEOn mode mixtures at 70 GHz (1985) (29)
Recent Results of the 1-MW, 140-GHz, TE -Mode Gyrotron (1999) (29)
Microwave Generation during 100 keV Electron Beam Relaxation in GOL-3 (2013) (29)
Status, Operation, and Extension of the ECRH System at ASDEX Upgrade (2016) (29)
Development of a 2-MW, CW Coaxial Gyrotron at 70 GHz and Test Facility for ITER (2005) (28)
Development of multimegawatt gyrotrons for fusion plasma heating and current drive (2005) (28)
State-of-the-Art of High-Power Gyro-Devices and Free Electron Masers (2020) (28)
Eigenvalue equations and numerical analysis of a coaxial cavity with misaligned inner rod (2000) (28)
Plans for a new ECRH system at ASDEX upgrade (2003) (27)
Demonstration of reduced neoclassical energy transport in Wendelstein 7-X (2021) (27)
Noninvasive Procedure for Measuring the Complex Permittivity of Resins, Catalysts, and Other Liquids Using a Partially Filled Rectangular Waveguide Structure (2009) (27)
A Closed-Form Solution for Reconstruction of Permittivity of Dielectric Slabs Placed at the Center of a Rectangular Waveguide (2007) (27)
Influence of background plasma on electromagnetic properties of "Cold" gyrotron cavity (2006) (26)
Systematic cavity design approach for a multi-frequency gyrotron for DEMO and study of its RF behavior (2016) (26)
Functional nanoceramics for intermediate temperature solid oxide fuel cells and oxygen separation membranes (2013) (26)
Experimental results and recent developments on the EU 2 MW 170 GHz coaxial cavity gyrotron for ITER (2012) (26)
High-Efficiency Quasi-Optical Mode Converter for a 1-MW ${\rm TE}_{32,9}$-Mode Gyrotron (2013) (26)
Free-electron masers vs. gyrotrons: prospects for high-power sources at millimeter and submillimeter wavelengths (2002) (25)
Optimization of Mode Converters for Generating the Fundamental TE_sub.01 Mode from TE_sub.06 Gyrotron Output at 140 GHz (1988) (25)
Status report on CVD-diamond window development for high power ECRH (2001) (25)
A generic mode selection strategy for high-order mode gyrotrons operating at multiple frequencies (2014) (25)
Computer-aided analysis and design of corrugated TE11 to HE11 mode converters in highly overmoded waveguides (1985) (25)
Kinetic description of the influence of electron‐beam misalignment on the performance of a coaxial‐cavity gyrotron (1996) (25)
Aspects of steady-state operation of the Wendelstein 7-X stellarator (2012) (25)
Influence of emitter ring manufacturing tolerances on electron beam quality of high power gyrotrons (2016) (25)
Diagnostic system for studying generation of subterahertz radiation during beam-plasma interaction in the GOL-3 facility (2012) (25)
Surface field cavity based on a two-dimensional cylindrical lattice (2010) (24)
Present Status of the New Multifrequency ECRH System for ASDEX Upgrade (2008) (24)
Step-frequency operation of a coaxial cavity gyrotron from 134 to 169.5 GHz (2000) (24)
Orbital Angular Momentum (OAM) of Rotating Modes Driven by Electrons in Electron Cyclotron Masers (2017) (24)
Microwave innovation for industrial composite fabrication - the HEPHAISTOS technology (2003) (24)
LOW POWER MEASUREMENTS ON THE NEW RF OUTPUT SYSTEM OF A 170 GHZ, 2 MW COAXIAL CAVITY GYROTRON (2007) (23)
2 MW, 170 GHz coaxial-cavity short-pulse gyrotron — Single stage depressed collector operation (2014) (23)
Design of a 42-GHz 200-kW gyrotron operating at the second harmonic (2004) (23)
Mode Selection and Coaxial Cavity Design for a 4-MW 170-GHz Gyrotron, Including Thermal Aspects (2013) (23)
First ECRH-experiments on the W VII-A stellarator (1984) (23)
Investigation of high frequency (2.45 GHz, 30 GHz) sintering for Pb-based ferroelectrics and microscale functional devices (2001) (22)
EU DEMO EC system preliminary conceptual design (2018) (22)
Excitation of surface field cavity and coherence of electromagnetic field scattering on two-dimensional cylindrical lattice (2010) (22)
Electron cyclotron resonance heating and confinement in the W VII-A stellarator (1984) (22)
Design and Optimization of Nonlinear Tapers using Particle Swarm Optimization (2008) (22)
Power modulation capabilities of the 140 GHz/1 MW gyrotron for the stellarator Wendelstein 7-X (2003) (21)
Optimal horn antenna design to excite high-order Gaussian beam modes from TE/sub 0m/ smooth circular waveguide modes (1999) (21)
Highly Efficient Quasi-Optical Mode Converter for a Multifrequency High-Power Gyrotron (2009) (21)
Improved gyrotron cavity with high quality factor (1995) (21)
The New Multifrequency Electron Cyclotron Resonance Heating System for ASDEX Upgrade (2007) (21)
Progress in design and integration of the ITER Electron Cyclotron H&CD system (2009) (21)
Crystallization of lithium disilicate glass using high frequency microwave processing (2015) (21)
Efficient frequency step-tunable megawatt-class D-band gyrotron (2015) (20)
Design of highly-efficient GaN X-band-power-amplifier MMICs (2009) (20)
Analysis of Transmission Characteristics for Single and Double Disk Windows (2002) (20)
Experimental Verification of the European 1 MW, 170 GHz Industrial CW Prototype Gyrotron for ITER (2017) (20)
170 GHz, 2 MW Coaxial Cavity Gyrotron - investigation of the parasitic oscillations and efficiency of the RF-output system -* (2007) (20)
The 118 GHz ECRH experiment on Tore Supra (2001) (20)
Design of 170 GHz, 1.5-MW Conventional Cavity Gyrotron for Plasma Heating (2014) (20)
Quasi-optical converters for high-power gyrotrons: a brief review of physical models, numerical methods and computer codes (2006) (20)
Gyrotron multistage depressed collector based on E × B drift concept using azimuthal electric field. I. Basic design (2018) (20)
CW Experiments With the EU 1-MW, 170-GHz Industrial Prototype Gyrotron for ITER at KIT (2017) (20)
Design of an ultra-broadband single-disk output window for a frequency step-tunable 1 MW gyrotron (2005) (19)
Examination of parasitic after-cavity oscillations in the W7-X series gyrotron SN4R (2011) (19)
Possible operation of a 1.5-2-MW, CW conventional cavity gyrotron at 140 GHz (2000) (19)
Recent progress in the upgrade of the TCV EC-system with two 1MW/2s dual-frequency (84/126GHz) gyrotrons (2017) (19)
High Frequency and High Mode Purity Operations of Gyrotron FU IVA (1998) (19)
Potential Advantages for Millimeter-Wave Heating of Powdered Metals (2004) (19)
Low-Frequency Parasitic Space-Charge Oscillations in the Helical Electron Beam of a Gyrotron (2004) (19)
Conceptual design of the EU DEMO EC-system: main developments and R&D achievements (2017) (19)
Gyro-devices and their applications (2011) (19)
Diplexers for Power Combination and Switching in High Power ECRH Systems (2010) (19)
A Numerical Synthesis Method for Hybrid-Type High-Power Gyrotron Launchers (2017) (18)
RF Behavior of a 200-kW CW Gyrotron (2008) (18)
A cavity with reduced mode conversion for gyrotrons (1992) (18)
Progress and First Results With the New Multifrequency ECRH System for ASDEX Upgrade (2009) (18)
Improvements of mode converters for low-power excitation of gyrotron-type modes (1997) (18)
Bragg Reflection Band Stop Filter for ECE on Wega (2011) (18)
Conceptual designs of E × B multistage depressed collectors for gyrotrons (2017) (18)
First experimental results from the EU 2 MW coaxial cavity ITER gyrotron prototype (2009) (18)
ECR Heating System for the Gas Dynamic Trap (2013) (18)
KIT coaxial gyrotron development: from ITER toward DEMO (2018) (17)
Frequency-Based Investigation of Charge Neutralization Processes and Thermal Cavity Expansion in Gyrotrons (2015) (17)
Progress in the 10-MW 140-GHz ECH System for the Stellarator W7-X (2008) (17)
2 MW, 170 GHz coaxial-cavity short-pulse gyrotron - Investigations on electron beam instabilities and parasitic oscillations (2013) (17)
High-power microwave transmission systems, external mode converters and antenna technology (1993) (17)
Electron cyclotron resonance heating and EC-current drive experiments at W7-AS, status at W7-X (2001) (17)
Design of a high order volume mode cavity for a l MW/140GHz gyrotron (1995) (17)
Hybrid Modes in Highly Oversized Corrugated Rectangular Waveguides (1999) (17)
Pb系強誘電体セラミックスのマイクロ波(2.45GHz,30GHz)焼結 (2003) (17)
The MiRa/THESIS3D-code package for resonator design and modeling of millimeter-wave material processing (1996) (16)
Vector Method for Synthesis of Adapted Phase-Correcting Mirrors for Gyrotron Output Couplers (2013) (16)
Extremely thin metamaterial absorbers for subterahertz waves: from fundamentals towards applications in uncooled bolometric sensors (2012) (16)
Towards a 0.24-THz, 1-to-2-MW-class gyrotron for DEMO. (2015) (16)
Gyrotron development at KIT: FULGOR test facility and gyrotron concepts for DEMO. (2015) (16)
Conceptual design of a 42 GHz, 200 kW gyrotron operating in the TE5,2 mode (2000) (16)
Transient Millimeter-Wave Signal Analysis With Unambiguous RF Spectrum Reconstruction (2013) (16)
A 250 GHz, 50 W, CW Second Harmonic Gyrotron (2007) (16)
Development of high power window prototypes for ECH&CD launchers (2007) (15)
Simulation and experimental investigations on dynamic after cavity interaction (ACI) (2010) (15)
Gigahertz and Nanotubes – Perspectives for Innovations with Novel Industrial Microwave Processing Technology (2006) (15)
TE03 to TE01 mode converters for use with a 150 GHz gyrotron (1987) (15)
A coaxial Gyro-TWT (2001) (15)
Design of rapid-frequency step-tunable powerful coaxial-cavity harmonic gyrotrons (2000) (15)
Overview of recent gyrotron R&D towards DEMO within EUROfusion Work Package Heating and Current Drive (2019) (15)
ECRH and W7-X: An intriguing pair (2014) (15)
Measurement of dielectric constant and loss tangent of epoxy resins using a waveguide approach (2006) (15)
Development of high power window prototypes for ECH&CD launchers (2007) (15)
ECRH on ASDEX Upgrade - System status, feed-back control, plasma physics results (2012) (15)
Gyrokinetic description of the structural eccentricity influence on the starting current of a coaxial-cavity gyrotron (1999) (14)
Optimization of oversized waveguide components using a genetic algorithm (2001) (14)
Ku-band high-power lowpass filter with spurious rejection (2006) (14)
Present developments and status of electron sources for high power gyrotron tubes and free electron masers (1997) (13)
Status and future development of Heating and Current Drive for the EU DEMO (2022) (13)
Large-orbit coaxial-structure cyclotron autoresonance maser (2006) (13)
History, presence and future of gyrotrons (2009) (13)
Design and 3-D Simulations of a 10-kW/28-GHz Gyrotron With a Segmented Emitter Based on Controlled Porosity-Reservoir Cathodes (2013) (13)
Development of reliable diamond window for EC launcher on fusion reactors (2005) (13)
Gyrotron output launchers and output tapers (1993) (13)
Towards a 2 MW, CW, 170 GHz coaxial gyrotron for ITER (2003) (13)
Experimental study of gyrotron efficiency enhancement by improvement of electron beam quality (2007) (13)
140-GHZ high-power gyrotron development for the stellarator W7-X (2005) (13)
Feasibility study of the eu home team on a 170GHz 1MW CW gyrotron for ECH on ITER (1995) (13)
Production of Powerful Spatially Coherent Radiation in Planar and Coaxial FEM Exploiting Two-Dimensional Distributed Feedback (2009) (13)
Observation of the high-Q modes inside the resonance zone of two-dimensional Bragg structures (2008) (13)
Tolerance Studies on an Inverse Magnetron Injection Gun for a 2-MW 170-GHz Coaxial-Cavity Gyrotron (2017) (13)
Recent evolution of the simulation tools for computer aided design of electron-optical systems for powerful gyrotrons (2007) (13)
NEW FREQUENCY STEP-TUNABLE ECRH SYSTEM FOR ASDEX UPGRADE (2007) (12)
Recent results on plasma behaviour in the W VII-A Stellarator (1984) (12)
Exploring fusion-reactor physics with high-power electron cyclotron resonance heating on ASDEX Upgrade (2020) (12)
Mode generator for the cold test of step-tunable gyrotrons (2002) (12)
Terahertz transverse-magnetic-wave cyclotron autoresonance maser with a large-orbit relativistic electron beam (2010) (12)
KIT coaxial gyrotron development: From ITER towards DEMO (2017) (12)
Study of Dynamic After Cavity Interaction in Gyrotrons—Part II: Influence of a Nonuniform Magnetic Field (2015) (12)
Recent experimental results of the European 1 MW, 170 GHz short-pulse gyrotron prototype for ITER (2015) (12)
Two Ways for High-Power Generation of Subterahertz Radiation by Usage of Strong Relativistic Electron Beams (2015) (12)
Investigations on parasitic oscillations in megawatt gyrotrons (2009) (12)
Advanced Sintering Techniques in Design of Planar IT SOFC and Supported Oxygen Separation Membranes (2012) (12)
Generation of powerful narrow-band 75-GHz radiation in a free-electron maser with two-dimensional distributed feedback (2013) (12)
Interaction circuit design and RF behavior of a 236 GHz gyrotron for DEMO (2015) (12)
Millimeter-Wave Frequency Tripling in Bulk Semiconductors (1990) (12)
Design of X-Band GaN MMICs using field plates (2009) (12)
Effective Cavity Length of Gyrotrons (2014) (12)
The European 2MW, 170GHz coaxial cavity gyrotron for ITER (2007) (11)
Structural Eccentricity Effect on Output Power of a Coaxial-Cavity Gyrotron Oscillator (1999) (11)
Towards a 1.5 MW, 140 GHz gyrotron for the upgraded ECRH system at W7-X (2021) (11)
Analysis of a Quasi-Optical Launcher Toward a Step-Tunable 2-MW Coaxial-Cavity Gyrotron (2010) (11)
Self-consistent modeling of terahertz waveguide and cavity with frequency-dependent conductivity (2015) (11)
High-power TE11 and TM11 circular polarizers in oversized waveguides at 70 GHz (1989) (11)
Advanced high-power gyrotrons (2003) (11)
High-frequency microwave anti-/de-icing system for carbon-reinforced airfoil structures (2001) (11)
Step-Frequency Operation of a Coaxial Cavity from 134 to 169.5 GHz (2000) (11)
Mode analysis of gyrotron radiation by far field measurements (1983) (11)
Study of Dynamic After Cavity Interaction in Gyrotrons—Part I: Adiabatic Approximation (2015) (11)
Mirror development for the 140 GHz ECRH system of the stellarator W7-X (2003) (11)
Prediction of TE-, TM-, and hybridmode transmission losses in gaps of oversized waveguides using a scattering matrix code (1996) (11)
Fast-frequency step-tunable high-power gyrotron with hybrid magnet system (2000) (11)
WIDEBAND SINGLE PATCH E-SHAPED COMPACT MICROSTRIP ANTENNA FOR HIGH SPEED WIRELESS LOCAL AREA NETWORKS (2006) (10)
High-Efficiency Quasi-Optical Mode Converter for the Coaxial Cavity Gyrotron (2011) (10)
Wave Propagation in Advanced Gyrotron Output Couplers (2011) (10)
Progress in the 10-MW ECRH system for the Stellarator W7-X (2004) (10)
Current status of the new ECRH system for ASDEX upgrade (2005) (10)
Analysis of a ${\rm TE}_{22,6}$ 118-GHz Quasi-Optical Mode Converter (2007) (10)
1 MW, 140 GHz, CW gyrotron for Wendelstein 7-X (2000) (10)
Status of the 140 GHz, 10 MW CW transmission system for ECRH on the stellarator W7-X (2005) (10)
Multi-frequency design of a 2 MW coaxial-cavity gyrotron for DEMO (2015) (10)
Physics, Technologies and Status of the Wendelstein 7-X Device (2005) (10)
Multi-frequency operation of DEMO gyrotron with realistic electron beam parameters (2015) (10)
Numerical studies on the influence of cavity thermal expansion on the performance of a high-power gyrotron (2017) (10)
Numerical analysis of quasi-optical mode converters Part 1: Backscattering analysis of shaped-end radiators (1999) (10)
Towards large area CVD diamond disks for Brewster-angle windows (2020) (9)
A revised ITER EC system baseline design proposal (2009) (9)
Output System for a 170-GHz/1.5-MW Continuous Wave Gyrotron Operating in the TE28,12 Mode (2015) (9)
Evaluation and Influence of Gyrotron Cathode Emission Inhomogeneity (2017) (9)
The design of a quasi-optical mode converter for a coaxial-cavity gyrotron (2004) (9)
Recent test results on broad-band gyro-TWT and gyro-BWO with helically grooved operating wave-guides (2003) (9)
Mechanism of azimuthal mode selection in two-dimensional coaxial Bragg resonators (2009) (9)
Microwave Frequency Effect for Reduction of Magnetite (2008) (9)
Numerical Studies on the Influence of Cavity Thermal Expansion on the Performance of a High-Power Gyrotron (2018) (9)
Influence of Annular Beam Displacement on the Performance of a High-Power Gyrotron (2013) (9)
WAVEGUIDES: Mode selection in two-dimensional Bragg resonators based on planar dielectric waveguides (2009) (9)
Status and High Power Performance of the 10-MW 140-GHz ECH System for the Stellarator Wendelstein 7-X (2010) (9)
2.2 MW, 165 GHz coaxial cavity gyrotron (2000) (9)
HISTORICAL GERMAN CONTRIBUTIONS TO PHYSICS AND APPLICATIONS OF ELECTROMAGNETIC OSCILLATIONS AND WAVES (2004) (9)
EC power sources: European technological developments towards ITER (2007) (9)
170 GHz, 2 MW, CW coaxial cavity gyrotron - experimental verification of the design (2005) (9)
Recent achievements on tests of series gyrotrons for W7-X and planned extension at the KIT gyrotron test facility (2013) (9)
A gun design criterion to limit the effects of the electron beam halo in gyrotrons (2013) (9)
A New Method for Synthesis of Beam-Shaping Mirrors for Off-Axis Incident Gaussian Beams (2014) (9)
Gyrotrons for technological applications (1994) (9)
Multi-frequency notch filters and corrugated 200 to 400 GHz waveguide components manufactured by stacked ring technology (2013) (9)
Design of the EU-1MW gyrotron for ITER (2013) (9)
The design of an ECRH system for JET-EP (2003) (9)
Development of Advanced High Power Gyrotrons at Forschungszentrum Karlsruhe (2001) (9)
Status of the New ECRH System for ASDEX Upgrade (2005) (8)
Extension of the multi-frequency ECRH system at ASDEX upgrade (2016) (8)
Excitation of higher radial modes of azimuthal surface waves in the electron cyclotron frequency range by rotating relativistic flow of electrons in cylindrical waveguides partially filled by plasmas (2018) (8)
Millimeter Wave Sintering of Ceramics (2007) (8)
Comparative analysis of mode reflection and transmission in presence of a cutoff cross section of nonuniform waveguide by using the cross section and the mode-matching and generalized scattering-matrix methods (2001) (8)
The 118-GHz Electron Cyclotron Heating System on Tore Supra (2009) (8)
Influence of emitter surface roughness on high power fusion gyrotron operation (2016) (8)
Comparison between controlled non-adiabatic and E×B concepts for gyrotron multistage depressed collectors (2017) (8)
Recent experiments with the European 1MW, 170GHz industrial CW and short-pulse gyrotrons for ITER (2019) (8)
The Influence of Window Parameters on the Transmission Characteristics of Millimeter Waves (2003) (8)
Subterahertz generation by strong langmuir turbulence at two-stream instability of high current 1-MeV REBs (2010) (8)
Manufacturing and tests of the European 1 MW, 170 GHz CW gyrotron prototype for ITER (2016) (8)
Studies towards an upgraded 1.5 MW gyrotron for W7-X (2019) (8)
Measurement of Complex Permittivity of Cylindrical Objects in the E-Plane of a Rectangular Waveguide (2013) (8)
Gyrotron installation for millimeter-wave processing of materials (1995) (8)
Design of a Quasi-Optical Mode Converter for a Frequency Step-Tunable Gyrotron (2003) (8)
Observation of Mode Patterns for High Purity Mode Operation in the Submillimeter Wave Gyrotron FU VA (2002) (8)
KIT gyrotron development for future fusion applications (2013) (8)
Very long pulse testing of the TH 1506 B 118 GHz gyrotron (2001) (8)
RF Behavior and Launcher Design for a Fast Frequency Step-tunable 236 GHz Gyrotron for DEMO (2016) (8)
Multiphysics Modeling of Insert Cooling System for a 170-GHz, 2-MW Long-Pulse Coaxial-Cavity Gyrotron (2019) (8)
Short-wavelength tunable Bragg reflectors based on coupling of propagating and cutoff waves: Modeling and experimental studies (2012) (8)
Experimental Results of Series Gyrotrons for the Stellarator W7-X (2008) (8)
Progress of the 1 MW, 140 GHz, CW gyrotron for W7-X (2002) (8)
Experimental results and technical requirements for a 2 MW, CW, 170 GHz coaxial cavity gyrotron (2002) (8)
Systematic observation of time-dependent phenomena in the RF output spectrum of high power gyrotrons (2012) (8)
Proposal of an inverse magnetron injection gun for future hollow-cylindrical-cavity high power gyrotrons (2016) (8)
Progress in the development of the 170 GHz coaxial cavity gyrotron (2004) (7)
A CVD-Diamond Disk Brewster Window for a Frequency Step-Tunable 1 MW Gyrotron (2003) (7)
Far Field Calculations and Measurements of an S-Bend Deformed Oversized HE11-Waveguide Antenna (1999) (7)
Preliminary studies on Multistage Depressed Collectors for fusion gyrotrons (2016) (7)
A mm-Wave D-Band Vector Network Analyzer of High Dynamics (1999) (7)
Investigations on mode stability in coaxial gyrotrons (1995) (7)
Pellet Ablation in the W VII-A Stellarator (1986) (7)
Status of Europe's contribution to the ITER EC system (2015) (7)
Generation of High Power THz Waves in Relativistic Electron Beam Plasma and Two-Sheet-Beam FEM (2012) (7)
Design methods for mirrors in a quasi-optical mode converter for a frequency step-tunable gyrotron (2002) (7)
Progress toward optimization of phase-correcting mirrors for a multifrequency 1-MW gyrotron (2006) (7)
Novel multistage depressed collector for high power fusion gyrotrons based on an E×B drift concept (2017) (7)
Optimization of waveguide bends and bent mode converters using a genetic algorithm (2000) (7)
Commissioning of the New Multi-Frequency ECRH System for ASDEX Upgrade (2006) (7)
Magnetron injection gun for a 238 GHz 2 MW coaxial-cavity gyrotron (2015) (7)
In-waveguide TE01-to-whispering gallery mode conversion using periodic wall perturbations (1989) (7)
Mode selection and resonator design for DEMO gyrotrons (2014) (7)
ITER ECRF advanced source development - coaxial cavity gyrotron (2002) (7)
From series production of gyrotrons for W7-X towards EU-1 MW gyrotrons for ITER (2013) (7)
Development of Mode Conversion Waveguides at KIT (2015) (7)
Triode magnetron injection gun for the KIT 2 MW 170 GHz coaxial cavity gyrotron (2020) (7)
Design of Electron Cyclotron Heating and Current Drive System of ITER (2007) (7)
A Multifrequency Notch Filter for Millimeter Wave Plasma Diagnostics based on Photonic Bandgaps in Corrugated Circular Waveguides (2015) (7)
An advanced dimple-wall launcher for a 140 GHz 1 MW continuous wave gyrotron (2004) (7)
Investigation of an advanced quasi-optical mode converter for a coaxial gyrotron (2005) (7)
Numerical Investigation on Spent Beam Deceleration Schemes for Depressed Collector of a High-Power Gyrotron (2018) (6)
High power ECRH and ECCD in moderately collisional ASDEX Upgrade Hmodes and status of EC system upgrade (2015) (6)
Modelling and simulation of gyrotrons for ITER (2014) (6)
Major progress in the development of the 2 MW coaxial-cavity gyrotron for ITER (2009) (6)
Diamond Window Technology for Electron Cyclotron Heating and Current Drive: State of the Art (2019) (6)
Operation of a quasioptical multi-mode generator for 105–150 GHz (2007) (6)
Direct Voltage Depression Calculation of Arbitrary Electron Beams in Misaligned Coaxial Gyrotron Cavities (2016) (6)
Direct experimental demonstration of non-thermal microwave effects during sintering of ceramics (2006) (6)
RF Behavior of a 220/251.5-GHz, 2-MW, Triangular Corrugated Coaxial Cavity Gyrotron (2017) (6)
State-of-the-art and recent developments of high-power gyrotron oscillators (1999) (6)
Design of Avionic Microwave De-/Anti-Icing Systems (2006) (6)
Suppression of parasitic space-charge oscillations in a gyrotron (2006) (6)
Step-tunable 1 MW broadband gyrotron with Brewster window (1997) (6)
The European 2 MW Gyrotron for Iter (2011) (6)
Simulation tools for computer-aided design and numerical investigations of high-power gyrotrons (2012) (6)
Cold test measurements on components of the 1 MW, 140 GHz, CW gyrotron for the Stellarator Wendelstein 7-X (2000) (6)
High Purity Mode CW Gyrotron Covering the Subterahertz to Terahertz Range Using a 20 T Superconducting Magnet (2018) (6)
Surface Flute Waves in Plasmas: Theory and Applications (2013) (6)
A comparison of mm-wave Sintering and Fast Conventional Sintering of Nanocrystalline Al2O3 (1996) (6)
Progress in the 10 MW ECRH system for the stellarator W7-X (2003) (6)
Design of matching optics unit (MOU) for coaxial ITER gyrotron (2011) (6)
Development of frequency step tunable 1 MW gyrotrons in D-band (2003) (6)
The 10 MW ECRH and CD System for W7‐X (2003) (6)
The 140 GHz, 10 MW, CW ECRH Plant for W7-X: A Training Field for ITER (2007) (6)
Status and experimental results of the European 1 MW, 170 GHz industrial CW prototype Gyrotron for ITER (2016) (6)
REVIEW OF THE EUROPEAN PROGRAMME FOR THE DEVELOPMENT OF THE GYROTRON FOR ITER (2009) (6)
140 GHz, 1 MW, CW gyrotron development for the ECRH system of the stellarator Wendelstein 7-X (2011) (6)
Resonance effects in elastic and first excited level inelastic neutron scattering on 12C from 15.0 to 18.25 MeV (1980) (6)
GDMT-T: Superconducting Linear Device for PMI Studies (2013) (6)
Development and First Operation of the 170 GHz, 2 MW Longer-Pulse Coaxial-Cavity Modular Gyrotron Prototype at KIT (2018) (6)
Technical developments at the KIT gyrotron test facility (2011) (6)
A 220/247.5/275-GHz, 1.0-MW, Triple Frequency Regime Gyrotron (2017) (6)
Transmission Line Design for Broadband Microwave Diagnostic Systems (1998) (5)
Development of submillimeter wave gyrotron FU series (2003) (5)
Further design steps towards a 4 MW 170 GHz coaxial-cavity gyrotron (2009) (5)
Recent applications of millimeter and submillimeter wave gyrotrons (2000) (5)
Ecrh on Asdex Upgrade - System Extension, New Modes of Operation, Plasma Physics Results (2011) (5)
Dilatometric Study and in Situ Resistivity Measurements during Millimeter Wave Sintering of Metal Powder Compacts (2012) (5)
Progress on Gyrotrons for ITER and Future Fusion Reactors (2009) (5)
Gyrotron multistage depressed collector based on E × B drift concept using azimuthal electric field. II: Upgraded designs (2019) (5)
Processing of Carbon-Fiber Reinforced Composite (CFRP) Materials with Innovative Millimeter-Wave Technology (2006) (5)
Basic Principles and Gyrotron Cavities (2004) (5)
Multifrequency operation of a gyrotron (1999) (5)
First CW experiments with the EU ITER 1 MW, 170 GHz industrial prototype gyrotron (2017) (5)
2 MW Coaxial-Cavity Pre-Prototype Gyrotron for ITER - recent experiments with the modified gyrotron setup - (2012) (5)
Determination of Effective Constitutive Properties of Metal Powders at 2.45 GHz for Microwave Processing Applications (2014) (5)
An Improved Broadband Boundary Condition for the RF Field in Gyrotron Interaction Modeling (2015) (5)
Extended operation of the 1 MW, CW gyrotrons for W7-X (2007) (5)
Experimental results on the 140 GHz, 1 MW, CW gyrotrons for the stellarator W7-X (2005) (5)
3D Simulation of a realistic Multistage Depressed Collector for high-power fusion gyrotrons (2016) (5)
First operation of a D-band megawatt gyrotron with elliptically brazed diamond window (2013) (5)
Investigation on Microstructural Characterization of Microwave Cladding (2012) (5)
Experimental and Theoretical Investigations of High Power Sub-Millimeter Wave Emission at Two-Stream Instability of High-Current REB (2013) (5)
Experimental results on high-power gyrotrons for the stellarator W7-X (2007) (5)
Development of Advanced Gyrotrons in Europe (2013) (5)
Considerations on the selection of operating modes for future coaxial-cavity gyrotrons for DEMO (2018) (5)
Towards a 4 MW 170 GHz coaxial gyrotron resonator design (2008) (5)
ECRH and ECCD for the Stellarator W7-X (2000) (5)
170 GHz, 2 MW, CW Coaxial Cavity Gyrotron for ITER - status and experimental results - (2007) (5)
The EC-system of EU DEMO: concepts for a reactor heating system (2017) (5)
Matching the output beam of a multi-frequency gyrotron to a Brewster window with small aperture (2007) (5)
Reduction of magnetite in air by use of microwave heating (2007) (5)
Field Profile Synthesis with an Antenna Array (1998) (5)
Generation of 1.5 MW–140 GHz Pulses With the Modular Pre-Prototype Gyrotron for W7-X (2021) (5)
Transmission Line Design for Broadband Microwave Diagnostic Systems (1998) (5)
Status of the 118GHz - 0.5 MW quasi CW gyrotron for Tore Supra and TCV tokamaks (1997) (5)
Progress in the development of high-power millimeter- and submillimeter wave gyrotrons and of free electron masers (1993) (5)
EU gyrotron development for ITER: Recent achievements and experimental results of the coaxial 2 MW gyrotron (2012) (5)
Millimeter wave characterisation of large area MPACVD diamond windows (2000) (5)
Experimental results of the 140 GHz, 1 MW longpurse gyrotron for W7-X (2003) (5)
Crystalline products of tolbutamide decomposition in water after microwave treatment (2013) (5)
Progress in the development of a 1-MW, CW gyrotron at 140 GHz for fusion plasma heating (2003) (5)
Starting currents of modes in cylindrical cavities with mode-converting corrugations for second-harmonic gyrotrons (2021) (5)
ECRH and ECCD at W7-AS, prospects for W7-X (1999) (5)
Gyrokinetics of Coaxial-Cavity Electron Cyclotron Maser (1999) (5)
Theoretical Study on the Operation of the EU/KIT TE34,19-Mode Coaxial-Cavity Gyrotron at 170/204/238 GHz (2019) (5)
Computer-Controlled Test System for the Excitation of Very High-Order Modes in Highly Oversized Waveguides (2019) (5)
Large Scale CW ECRH Systems: Meeting a Challenge (2011) (5)
First results of the CERN Resonant WISP Search (CROWS) (2013) (5)
A Unified Nondestructive Approach to Evaluate Dielectric Properties of Industrial Resins and Common Liquids (2008) (5)
The gyrotron – a natural source of high-power orbital angular momentum millimeter-wave beams (2017) (5)
Influence of non-uniform magnetic field distribution on gyrotron spurious oscillations (2011) (5)
European research activities towards a future DEMO gyrotron (2017) (5)
The 113 GHz ECRH system for JET (2003) (5)
Spin-flip probability in the inelastic scattering of 16.9 MeV neutrons from 12C (1974) (5)
170 GHz, 2 MW coaxial cavity gyrotron - design verification of the new RF output system (2005) (5)
Operation of the 118 GHz very long pulse Gyrotron for the ECRH experiment on Tore Supra (2003) (5)
Multi-frequency ECRH at ASDEX Upgrade, status and plans (2010) (5)
Coaxial cavity gyrotron - recent results and ongoing development work (2003) (5)
DESIGN OF A THOMSON SCATTERING DIAGNOSTIC SYSTEM TO MEASURE FAST ION- AND ALPHA-PARTICLE DISTRIBUTIONS IN JET (1989) (4)
Different types of after cavity interaction in gyrotrons (2010) (4)
3-D Analysis of Quasi-Optical Output Systems for High Power Gyrotrons (2006) (4)
High-power te11 and tm11 circular polarizers in oversized waveguide at 70 ghz (1987) (4)
A design proposal for an optimized inverse Magnetron Injection Gun for the KIT 2 MW / 170 GHz modular coaxial cavity gyrotron (2015) (4)
Undesired resonances in oversized rippled-wall mode converters (1994) (4)
Study on After Cavity Interaction in a 140-GHz Model TE0,3 Gyrotron Using 3-D CFDTD PIC Simulation (2018) (4)
Theoretical Study on the Possibility for Stepwise Tuning of the Frequency of the KIT 2 MW 170/204 GHz Coaxial-Cavity Gyrotron (2020) (4)
Multifaceted Simulations Reproducing Experimental Results From the 1.5-MW 140-GHz Preprototype Gyrotron for W7-X (2021) (4)
Sintering of metal powder samples with millimeter wave technology (2004) (4)
Design of a multifrequency high power gyrotron at FZK (2002) (4)
Development of advanced gyrotrons (2014) (4)
Benefits to European industry from involvement in fusion (2002) (4)
Improved quasi-optical launcher for coaxial cavity ITER gyrotron (2008) (4)
Investigation of a Broadband Quasi-Optical Mode Converter for a Multi-Frequency 1 MW Gyrotron (2004) (4)
Improvement of Gyrotron Beam Quality by Suppression of Parasitic Low-Frequency Oscillations (2006) (4)
Development of THz gyrotron FU CW III using a 20 T superconducting magnet (2010) (4)
Design and performance tests of a high power torus window for a remotely steered EC launcher (2005) (4)
Status report of the CERN light shining through the wall experiment with microwave axions and related aspects (2012) (4)
Development and application of European high power CW gyrotrons for ECRH experiments (2000) (4)
Investigation on mm-wave sintering of metal powder compacts using in-situ dilatometry and electrical resistivity measurements (2017) (4)
Separation of thermal expansion and beam charge neutralization effects in high power 140 GHz CW gyrotrons (2014) (4)
Efficient Frequency Step-Tunable Megawatt-Class $D$ -Band Gyrotron (2015) (4)
Excitation of Electromagnetic Waves Above the Upper-Hybrid Frequency by Internal Gyrating Electron Beam in a Coaxial Waveguide (2017) (4)
Thermal Modelling of Edge-Cooled Single Disc Gyrotron Windows Using a One-Dimensional Finite Difference Computer Code (1998) (4)
Progress of the 10 MW ECRH System for W7-X (2003) (4)
Status of the ECRH system of Tore Supra (2002) (4)
Excitation of Azimuthal Surface Waves Above the Upper-Hybrid Frequency by External Relativistic Flows of Electrons in Coaxial Plasma-Vacuum Waveguide (2016) (4)
Mode Discrimination by Lossy Dielectric Rods in Cavities of Second-Harmonic Gyrotrons (2021) (4)
Built-in mode converters for coaxial gyrotrons (1996) (4)
Collector design studies for a 1 MW cylindrical-cavity and a 4 MW coaxial-cavity gyrotron (2010) (4)
Large Area Diamond Disk Growth Experiments and Thermomechanical Investigations for the Broadband Brewster Window in DEMO (2021) (4)
From W7-X Towards ITER and Beyond: 2019 Status on EU Fusion Gyrotron Developments (2019) (4)
170 GHz, 2 MW coaxial cavity gyrotron for ITER - recent results obtained with a short pulse tube - (2009) (4)
A fast frequency step-tunable 236 GHz gyrotron design for DEMO (2016) (4)
Broadband Polarizer Miter Bend for High-Power Radar Applications (2020) (4)
New trends of gyrotron development at KIT: An overview on recent investigations (2019) (4)
Experimental observation of high-Q modes at the center of a resonance band of two-dimensional Bragg structures (2007) (4)
Measurements of satellite modes in 140 GHz wendelstein 7-X gyrotrons: An approach to an electronic stability control (2017) (4)
Multifrequency notch filter for sub-THz applications based on photonic bandgaps in corrugated circular waveguides (2013) (4)
THE 70 GHz/1 MW LONG–PULSE ECRH SYSTEM ON THE ADVANCED STELLARATOR W VII–AS (1986) (4)
Development of a Quasi-optical Transmission System for Gyrotron Application as a Radiation Source (2006) (4)
High selective two-dimensional Bragg resonators of planar geometry: Theoretical, computational, and experimental study (2012) (4)
Performance analysis of an insert cooling system for long-pulse operation of a coaxial-cavity gyrotron (2018) (4)
Study of the Influence of Stray Magnetic Fields on the Operation of the European Gyrotron for ITER (2017) (4)
Electromagnetic energy rotation along plasma-metal interface in cylindrical waveguides initiated by azimuthal surface waves (2019) (4)
Design studies of the output system of a 95 GHz, 100 KW, CW Gyrotron (2011) (4)
Experimental Testing of the European TH1509U 170-GHz 1-MW CW Industrial Gyrotron—Long Pulse Operation (2022) (4)
Millimeter-wave time-domain spectrum analysis system with unambiguous RF spectrum reconstruction (2013) (4)
Past and future upgrades of the gyrotron high voltage cathode power supplies at the Forschungszentrum Karlsruhe (2009) (4)
Manufacturing and Test of the 1 MW Long-Pulse 84/126 GHz Dual-Frequency Gyrotron for TCV (2019) (4)
Progress on 140 GHz, 1 MW, CW series gyrotrons for W7-X (2012) (3)
High efficiency quasi-optical mode converter for a 140 GHz 1 MW gyrotron (2004) (3)
Measurements of electron beam characteristics in the moderate-power 4-mm gyrotron (2004) (3)
Status of development of high power coaxial-cavity gyrotron at FZK. (2009) (3)
Microwave Technology of the Quasi-Optical 140 GHZ ECRH on the Advanced Stellarator W7-AS (1991) (3)
Experimental study of a FEM based on a 2D distributed feedback cavity (2005) (3)
Evaluation of gyrotron cathode emission inhomogeneity from current-voltage characteristics (2015) (3)
Towards Fully Automated Systems for the Generation of Very High Order Modes in Oversized Waveguides [in press] (2018) (3)
Multi-frequency ECRH system at ASDEX upgrade (2009) (3)
Status of development of the 2MW, 170GHz coaxial-cavity gyrotron for ITER (2008) (3)
Output system design for 170 GHz, 0.5 MW gyrotron for ECRH application (2012) (3)
An overview of the ITER electron cyclotron H&CD system (2009) (3)
Observation of Mode Patterns for High Purity Mode Operation in the Submillimeter Wave Gyrotron FU VA (2002) (3)
Recent results with the European 2 MW coaxial-cavity pre-prototype Gyrotron for ITER (2010) (3)
Development of a functional quasi-optical system for gyrotron application as a radiation source (2005) (3)
Measurements on a mode generator for cold tests of step-tunable gyrotrons (2002) (3)
Dynamic spectral measurements on high-power oscillators in the millimeter-wave domain (2012) (3)
From series production of gyrotrons for W7-X towards EU-1 MW gyrotrons for ITER (2013) (3)
Measurements on a Brewster Window for a High Power Gyrotron (2006) (3)
Microwave Sintering Techniques ‐ More than Just a Different Way of Heating? (2009) (3)
Application of higher frequency microwaves for composite materials heating/processing (2001) (3)
Excitation of azimuthal surface waves in the electron cyclotron frequency range by a rotating electron beam in presence of dissipation (2016) (3)
2.2: Design of phase correcting mirror system for coaxial-cavity iter gyrotron (2010) (3)
Temperature dependent measurements of dielectric materials at 2.45 GHz (2012) (3)
Annual Report 2010 Institute for Pulsed Power and Microwave Technology (2011) (3)
Generation of rotating high-order TEm,n modes for cold-test measurements on high-power quasl-optical gyrotron output mode converters (1990) (3)
Optical-model analysis of elastic neutron scattering from12C for En=8.5 to 20 MeV (1976) (3)
Practical Considerations for Gyrotron Design (2004) (3)
Design studies of a 460 GHz, 30–50 W, CW second harmonic gyrotron (2011) (3)
Towards a high-power milimeter wave gyrotron for DEMO (2014) (3)
Balanced Microstrip AlGaN/GaN HEMT Power Amplifier MMIC for X-Band Applications (2008) (3)
Experimental study of a high power free electron maser based on a co-axial two-dimensional Bragg cavity (2004) (3)
Low power mm-wave transmission characteristics of a frequency tuneable double disk CVD-diamond window (2007) (3)
Synthesis of quasi-optical mode converter for TE₃₂̦₉ mode, 1 MW gyrotron (2012) (3)
Radiation patterns with suppressed sidelobes for quasi-optical mode converters (1989) (3)
The electron cyclotron heating system for the stellarator W7-X: Status and recent achievements (2007) (3)
Investigation on mode eigenvalue limits for stable 236 GHz, 1 MW-class gyrotron operation (2016) (3)
Elaboration of Microstructured Subterahertz Filters Via Liga Technology and Investigation of Their Selective Properties (2012) (3)
Higher radial modes of azimuthal surface waves in magnetoactive cylindrical plasma waveguides (2018) (3)
Processing of carbon-fiber-reinforced composite (CFRP) materials with innovative millimeter-wave technology for aerospace industries (2001) (3)
Improvement of the Output Mode Purity of a Complex-Cavity Resonator for a Frequency-Tunable Sub-THz Gyrotron (2021) (3)
Microstructured Quasi-Optical Selective Components for Subterahertz and Terahertz Applications (2010) (3)
Impact of gyrotron power modulation on the collector of the 2 MW, 170 GHZ gyrotron for ITER (2012) (3)
The ITER EC H&CD System (2011) (3)
Megawatt power generation of the dual-frequency gyrotron for TCV at 84 and 126 GHz, in long pulses (2020) (3)
Low Cost Chip Carriers for the 1980's (1981) (3)
Aerospace composites microwave processing with the 2.45 GHz HEPHAISTOS system (2004) (3)
Improved design of a quasi-optical mode converter for the coaxial-cavity ITER gyrotron (2010) (3)
Gyro-devices – natural sources of high-power high-order angular momentum millimeter-wave beams (2020) (3)
Dilatometer Measurements in a mm-Wave Oven (2006) (3)
Simulation of electromagnetic fields scattered from arbitrary shaped electric conductors (2017) (3)
MICRO- AND MILLIMETER-WAVE PROCESSING OF ADVANCED MATERIALS AT KARLSRUHE RESEARCH CENTER (2005) (3)
Feasibility study of the EU home team on the manufacture of a gyrotron for ECRH on ITER (1994) (3)
Operation of a step-frequency tunable gyrotron with a diamond Brewster angle output window (2013) (3)
Design of E × B multistage depressed collector concepts for high-power fusion gyrotrons (2017) (3)
Comparison of microwave and millimeter-wave materials processing (2000) (3)
Low power test facility for characterization of advanced mode converter systems (2001) (3)
Sub-THz notch filters based on photonic bandgaps in overmoded waveguides (2015) (3)
On the possibility to use the treatment of gyrotron cathodes by the potassium ion flow for their emission homogeneity increase (2007) (3)
Frequency spectrum generated by planar FEM at ELMI-device (2004) (3)
Harmonic termination of AlGaN/GaN/(Al)GaN-single-and double-heterojunction HEMTs (2010) (3)
2.2 MW operation of the European coaxial-cavity pre-prototype gyrotron for ITER (2010) (3)
Peculiarities of Electromagnetic Waves Diffraction on Regular-Periodic Inductive Metallic Structures (2013) (3)
Investigation of high frequency (2.45 GHz, 30 GHz) processing of Pb-based piezoelectrics for ultrasound transducers (2000) (3)
Spurious removal in satellite output multiplexer power filters (2007) (3)
Progress in development of high power gyrotrons (1993) (3)
2.1: Experiments with the European 2 MW coaxial-cavity pre-prototype gyrotron for ITER (2010) (3)
Molecular dynamics simulation of structural and dynamic properties of selenium structures with different degrees of amorphization (2009) (3)
Simulations of high power gyrotron operation during window Arc (2013) (3)
Feasibility study of a 240 GHz 2.0-2.5 MW coaxial cavity gyrotron (2012) (3)
Recent Status and Future Prospects of Coaxial-Cavity Gyrotron Development at KIT (2019) (3)
Calculations on Mode Eigenvalues in a Corrugated Waveguide with Varying Diameter and Corrugation Depth (2021) (3)
Experimental and computational studies of novel coaxial 2D Bragg structures for a high-power FEM (2004) (3)
Simulations of Quasi-Optical Output Systems for High Power Gyrotrons based on the Electric Field Integral Equation (2007) (3)
Design and manufacturing process for the KIT 2-MW 170-GHz coaxial-cavity longer-pulse gyrotron (2017) (3)
Characteristics of the light emission from CVD diamond windows (2003) (3)
Recent experimental results on the 170 GHz, 2 MW coaxial cavity pre-prototype gyrotron for ITER (2008) (3)
Coaxial multistage depressed collector design for high power gyrotrons based on E×B concept (2019) (3)
Device and Design Optimization for AlGaN/GaN X-Band-Power-Amplifiers with High Efficiency (2009) (3)
AEROSPACE CFRP STRUCTURE FABRICATION WITH THE 2.45 GHZ HEPHAISTOS SYSTEM (2005) (3)
Design verification of the gyrotron diamond output window for the upgrade of the ECRH system at W7-X (2021) (3)
Bragg reflectors: tapered and untapered (1991) (3)
High Frequency Microwave Processing of Lithium Disilicate Glass-Ceramic (2012) (3)
Numerical analysis of quasi-optical mode converters Part 2: Analysis of azimuthal waveguide deformations using the boundary element method (1999) (3)
Status report and first results of the microwave LSW experiment at CERN (2013) (3)
2018 Status on KIT Gyrotron Activities (2018) (3)
Design considerations for a multi-megawatt coaxial cavity gyrotron at 170 GHz (2000) (3)
Development of High Power 140 GHz Gyrotrons at KfK for Applications in Fusion (1993) (3)
Initial steps towards multi-stage collectors for gyrotrons (2014) (3)
Study on ECW transmission lines for NET/ITER (1990) (3)
Investigation of high frequency (2.45 GHz, 30 GHz) sintering of Pb-based ferroelectrics (2003) (3)
Advanced Overmoded Waveguide Components for High-Power Millimetre Wave Applications at 28, 70 and 140 GHz (1985) (3)
CONCEPTUAL DESIGN STUDIES OF AN 84 GHz, 500 kW, CW GYROTRON (2007) (3)
Development of advanced high-power 140 GHz gyrotrons for fusion plasma applications (1995) (3)
STATUS OF THE 118 GHz — QUASI CW GYROTRON FOR THE TORE SUPRA AND TCV TOKAMAKS (1997) (3)
Choice of material composition for a high-performance inverted Magnetron Injection Gun (2016) (3)
Azimuthal surface waves in cylindrical metal waveguides partially filled by magnetoactive plasma: Analysis of energy transfer (2020) (3)
Mechanical Design of the Short Pulse E×B Drift Two-Stage Depressed Collector Prototype for High Power Gyrotron (2021) (3)
Mode selection and resonator design studies of a 95 GHz, 100 KW, CW Gyrotron (2011) (3)
Advanced high power gyrotrons for ECRH applications (2000) (3)
Feasibility of a 140 GHz, 3.0-3.5 MW, CW coaxial gyrotron with dual beam output (2004) (3)
Current Status of the KIT Coaxial-Cavity Long-Pulse Gyrotron and its Key Components (2018) (3)
Free electron maser experiments based on a coaxial 2D Bragg cavity (2004) (3)
Theoretical study of 174 GHz operation of the W7-X 1 MW, 140 GHz gyrotron (2008) (3)
Large Power Increase Enabled by High-Q Diamond-Loaded Cavities for Terahertz Gyrotrons (2021) (3)
Frequency-step-tunable high-power gyrotron for plasma physics applications (1999) (3)
Progress in Development of the 170 GHz, 2MW Coaxial Cavity Gyrotron for ITER (2006) (3)
Overview on recent progress in magnetron injection gun theory and design for high power gyrotrons (2019) (3)
KIT in-house manufacturing and first operation of a 170 GHz 2 MW longer-pulse coaxial-cavity pre-prototype gyrotron (2018) (3)
Recent development of high power gyrotrons and windows for EC wave applications (2008) (2)
Operating the KIT 170 GHz 2 MW Coaxial-Cavity Gyrotron at 204 GHz: Performance Expectations and First Cold Test of the Quasi-Optical System (2019) (2)
Investigation of a Mini-Channel Cavity Cooling Concept for a 170 GHz, 2 MW Coaxial-Cavity Gyrotron (2019) (2)
Development of new generation software tools for simulation of electron beam formation in novel high power gyrotrons (2006) (2)
A 42 GHz, 200 kW second harmonic gyrotron (2002) (2)
Series production of 1 MW, 140 GHz, CW gyrotrons for W7-X leading to EU-1 MW, 170 GHz, CW gyrotrons for ITER (2013) (2)
KIT contribution to the gyrotron development for nuclear fusion experiments in Europe (2014) (2)
Quasi-optical mode converter for 1MW dual-frequency gyrotrons (2017) (2)
Sub-terahertz emission by two-stream instability of REB in magnetized plasma and by two-channel planar FEM with combined electrodynamic system (2012) (2)
Mode selection and launcher design for a 95 GHz, 10 kW, CW gyrotron (2010) (2)
Commissioning of the second two-frequency gyrotron in the new multi-frequency ECRH system for ASDEX upgrade (2007) (2)
Status of the European 2 MW, 170 GHz pre-prototype coaxial-cavity gyrotron for ITER (2009) (2)
Simple Feedback System for Passive Mode Locked Gyro-Devices at 263 GHz (2020) (2)
Electromagnetic energy rotation along plasma-dielectric interface caused by azimuthal surface waves in isotropic cylindrical metallic waveguide (2019) (2)
Theoretical investigation on possible operation of a 140 GHz 1 MW gyrotron at 175 GHz for CTS plasma diagnostics at W7-X (2020) (2)
Development of Advanced High Power Gyrotrons for EC H&CD Applications in Fusion Plasmas (2004) (2)
Recent advances in the gyrotron development activities worldwide (2013) (2)
Nondestructive Approach for Measuring Temperature-Dependent Dielectric Properties of Epoxy Resins (2007) (2)
Recent results of the 2 MW-0.17 THz European pre-prototype coaxial-cavity gyrotron for ITER (2010) (2)
Status of the 1-MW, 140-GHz, CW Gyrotron for W7-X (2006) (2)
Progress in the development of a multistage depressed collector system for high power gyrotrons (2018) (2)
Investigations on W-Band Second Harmonic Gyrotron for 50/100-kW Operation (2020) (2)
Output Taper and Quasi-optical Launcher (2004) (2)
Recent improvements in time-variant gyrotron RF output spectrum monitoring (2012) (2)
Experimental Results of the EU ITER Prototype Gyrotrons (2017) (2)
Synchronous generation of powerful 4-mm radiation in a two-channel planar FEM (2012) (2)
Optimum horn antennas for high order mode beam waveguides (1995) (2)
Completion of the 8 MW Multi-Frequency ECRH System at ASDEX Upgrade (2019) (2)
Numerical investigations of parasitic oscillations in gyrotrons (2012) (2)
Design studies of a quasi-optical launcher for a 170 GHz, 200–250 kW gyrotron (2009) (2)
2018 Status of the Measurement Capabilities for Fusion Gyrotrons at KIT/IHM (2018) (2)
Redesign and 3D-Simulation of the Quasi-Optical Mode Converter for a TE22,6 118 GHz Gyrotron (2007) (2)
Time-Domain Simulation of Helical Gyro-TWTs With Coupled Modes Method and 3-D Particle Beam (2022) (2)
Progress in the Development of 1 MW CW Gyrotrons for the Stellarator W7-X (2004) (2)
High quality operation of high frequency gyrotron (2002) (2)
Holographic metasurfaces for terahertz focusing: design, fabrication and experiment (2012) (2)
Mechanical Design Study for Gyrotron E×B Drift Two-Stage Depressed Collector (2020) (2)
Automated mode recovery for gyrotrons demonstrated at Wendelstein 7-X (2019) (2)
TH1509U European 170 GHZ 1 MW CW Industrial Gyrotron Upgrade (2021) (2)
Progress on the upgrade of the TCV EC-system with two 1MW dual-frequency gyrotrons (2016) (2)
Long pulse operation of a 0.5 MW - 118 GHz gyrotron with cryogenic window - Key note paper (1996) (2)
Control and Modulation of Gyrotron RF Power for ECRH at 28 GHz and 70 GHz (1984) (2)
Experimental investigations on a step-frequency tunable gyrotron with a diamond Brewster angle output window (2012) (2)
The Steady-State ECRH-System at Wendelstein 7-X (2006) (2)
Development of the Two-Stage Planar Fem for the Terahertz Band on the Basis of the ELMI Accelerator (2012) (2)
New algorithm for field calculation in tapered gyrotron launchers with adaptive surface perturbation (2012) (2)
Generation of powerful spatial coherent radiation in masers and lasers with two-dimensional distributed feedback (2012) (2)
Design study of magnetron injection guns for a 4 MW 170 GHz coaxial gyrotron (2009) (2)
2.5: Design of major components for a 4 MW 170 GHz coaxial-cavity gyrotron (2010) (2)
European Development of a Gyrotron for ITER: Design and Analysis, and Support to the Industrial Contracts (2009) (2)
Beam-plasma system as a source of powerful submillimeter and terahertz radiation (experimental and theoretical studies) (2016) (2)
Anisotropic Sintering in Polarized Microwave Fields - Evidence for Non-Thermal Microwave Effects (2006) (2)
Lecture series on high-power mm-wave transmission. 3: Quasi-optical mode converters (2013) (2)
Development of steady-state 2 MW, 170 GHz gyrotrons for ITER (2005) (2)
High-Power Experiments with 140 GHz Series Gyrotrons for W7-X (2007) (2)
Design of magnetron injection guns — A 3D simulation approach (2009) (2)
A double disk window for the JET EP ECRH system (2003) (2)
Improvement of quasi-optical mode converter for 170 GHz coaxial cavity gyrotron at FZK (2007) (2)
The development of the European 1MW 170 GHz CW Gyrotron for the ITER Electron Cyclotron Heating System (2016) (2)
Millimeter-wave WISP search with coherent Light-Shining-Through-a-Wall towards the STAX project (2022) (2)
Generation of high-power sub-THz-radiation by two-stream instability of electron beams in magnetized plasmas (2012) (2)
Operation and upgrade of the ECRH system at ASDEX upgrade (2014) (2)
Sub-terahertz emission by magnetized plasma at two-stream instability of REB and by two-channel planar FEM with combined electrodynamic system (2012) (2)
Gyrotron Development in the EU for Present Fusion Experiments and for ITER (2006) (2)
2.4: Investigations on parasitic oscillations in megawatt gyrotrons (2010) (2)
Mode converters and components in overmoded waveguides II (2013) (2)
Development of frequency step tunable 1 MW gyrotron at 131 to 146.5 GHz (2011) (2)
Transition Between Beam-Plasma and Beam-Dissipative Instability Regimes in the Interaction of Relativistic Large Larmor Orbit Electron Beams and Azimuthal Surface Waves Above the Upper-Hybrid Frequency in Coaxial Plasma Waveguides (2017) (2)
140 GHz, 1 MW, CW gyrotron for fusion plasma heating (2002) (2)
Commissioning of the extended multi-frequency ECRH system at ASDEX upgrade (2017) (2)
Electron Emission Inhomogeneity and Low‐Frequency Parasitic Oscillations in a Gyrotron (2006) (2)
Basic design considerations for a frequency step-tunable electron cyclotron wave system to suppress NTMs in DEMO (2021) (2)
Millimeter-wave RADAR systems with gyro-amplifiers (2012) (2)
Operation of a 118 GHz -0.5 MW gyrotron with cryogenic window: Design and long pulse experiments (1995) (2)
Analysis of mode competition in 10kW/28GHz gyrotron (2013) (2)
On the Evolution of Approaches to the Space-Time Symmetry (2018) (2)
Design studies of an 84 GHz, 500 kW, CW gyrotron (2005) (2)
Studies on a 0.5 MW, 42 GHz CW, conventional cavity gyrotron (2012) (2)
Design Procedure for a Broadband TE11/HE11 Mode Converter for High-Power Radar Applications (2021) (2)
From W7-X towards ITER and beyond: Status and progress in EU fusion gyrotron developments (2015) (2)
System design development for microwave and millimeter-wave materials processing (2002) (2)
Numerical simulation of parasitic gyro-BWO interaction in a gyrotron beam tunnel (2011) (2)
Status and recent results of the 140 GHz, 1 MW CW gyrotron development for the stellarator W7-X (2010) (2)
Industrial Higher Frequency Microwave Processing of Composite Materials (2006) (2)
Status of 1 MW, 140 GHz series gyrotrons for W7-X (2011) (2)
Status of the 1 MW, CW gyrotrons for the stellarator W7-X (2004) (2)
Analysis of Ohmic Quality Factor of Circumferentially Corrugated Circular Cavities (2009) (2)
Progress in stable operation of high power gyrotrons (2011) (2)
Design Studies of a 3-MW, Multifrequency (170/204/236 GHz) DEMO Class Triangular Corrugated Coaxial Cavity Gyrotron (2019) (2)
Megagrant Research Project: Laboratory of Advanced Research on Millimeter and Terahertz Radiation at Novosibirsk State University (2012) (2)
Recent progress in the development of the European 1 MW, 170 GHz CW gyrotron for ITER (2018) (2)
P3-14: Effect of beam tunnel geometry on electron beam parameters for 42 GHz Gyrotron (2010) (2)
Recent progress on the 1 MW, 140 GHz, CW series gyrotrons for W7-X. (2011) (2)
Powerful masers and lasers with two-dimensional distributed feedback (2011) (2)
Towards Advanced Fusion Gyrotrons: 2018 Update on Activities within EUROfusion (2019) (2)
Design studies on a 110 GHz, 1.0–1.5 MW, CW, gyrotron (2007) (2)
Two mechanisms of resonance overlapping in excitation of azimuthal surface waves by rotating relativistic electron beams (2018) (2)
Operation of the Modular KIT 170 GHz – 2 MW Longer-Pulse Coaxial-Cavity Gyrotron with Pulses up to 50 ms (2020) (2)
Simulation of the thermophysical processes in the subterahertz imager based on a thin-film metamaterial converter (2013) (2)
Simple analytical approach for measurement of the complex permittivity of resins and viscous liquids (2007) (2)
Quasi-optical mode converter for a multi-frequency D-band gyrotron (2007) (2)
High power millimeter waves for sintering of nanostructured ceramics (2000) (2)
Improved launcher/mode converter for coaxial cavity ITER gyrotron (2008) (2)
High power microwave system for fluid injection applications (2008) (2)
Design and testing of metal-supported SOFC on compressed NI-Al foam substrates (2010) (2)
Plasma scattering measurement by using a submillimeter wave gyrotron as a radiation source (2005) (2)
High power gyrotron development at KIT for ECH&CD of fusion plasmas (2012) (2)
The cooling system for the 10 MW, 140 GHz, CW ECRH installation on Wendelstein 7-X (2001) (2)
Experimental results of the 1-MW, 140-GHz, CW gyrotron for W7-X (2007) (2)
The cross-section method (1998) (2)
Mode competition control using triode-type start-up scenario for a 236 GHz gyrotron for DEMO (2018) (2)
The W7-X ECRH Plant: Recent Achievements (2007) (2)
Progress in the Development of the 170 GHz, 2 MW Coaxial Cavity Gyrotron for ITER (2009) (2)
Microstructured frequency selective quasi-optical components and devices for terahertz applications (2012) (2)
Development of THz gyrotron using a 20 T superconducting magnet (2010) (2)
Study of RF output window ARC event in a megawatt class 140 GHz gyrotron (2013) (2)
Fast switching of high-power millimetre waves between two launchers: concepts, numerical investigations and first experiments (2006) (2)
ITER ECRF window development - CVD-diamond window. Final report. ITER Task No.: G 55 TT 19 EU (TWO-ECRF/WIN) (2002) (1)
Synchronous generation of 4-mm radiation pulses in two-channel FEM (2013) (1)
Performance Expectation and Preparation of the First Experimental Campaign of the KIT 2 MW 170/204 GHz Coaxial-Cavity Gyrotron (2021) (1)
Laboratory of advanced research on millimeter and terahertz radiation (2012) (1)
Millimeter-wave high temperature processing of powders (2004) (1)
Developments of fusion gyrotrons for W7-X, ITER and EU DEMO: Ongoing activities and future plans of KIT (2017) (1)
Rotation of electromagnetic energy initiated by azimuthal surface waves in coaxial metal waveguides entirely filled by plasma (2020) (1)
Lecture series on gyrotrons. 2: Electron gun, beam tunnel, magnets (2013) (1)
Status, progress and future plans of EC RF source development at KIT (2013) (1)
Highly Efficient Quasi-optical Mode Converter System for a 1 MW, 140 GHZ, CW Gyrotron (2004) (1)
QUASI-OPTICAL MODE CONVERTERS IN ADVANCED HIGH-POWER GYROTRONS FOR NUCLEAR FUSION PLASMA HEATING (2006) (1)
Gyrotron Development in EU for Present and Future Fusion Plasma Experiments (2006) (1)
An overview of the ITER EC H&CD system and funktional capabilities (2010) (1)
THALES TH1507 140 GHz 1 MW CW Gyrotron for W7-X Stellarator (2019) (1)
Experimental study of two-channel planar FEM with 2D distributed feedback (2012) (1)
Status of experiments with the 2 MW coaxial-cavity pre-prototype gyrotron for ITER (2011) (1)
A 4 MW/170 GHz coaxial-cavity gyrotron Ð design of the major components (2010) (1)
Conversion of gyrotron TEon-mode mixtures into a linearly polarized HE11 wave (1983) (1)
High efficient quasi-optical mode converter for coaxial ITER gyrotron (2009) (1)
High frequency microwave sintering of metal powders (2012) (1)
Progress with the new multi-frequency ECRH system for ASDEX upgrade (2008) (1)
Progress with the new multi-frequency ECRH system for ASDEX upgrade (2008) (1)
Worldwide state-of-the-art of high power gyrotrons for ECH&CD in thermonuclear fusion experiments (2013) (1)
Review of the EU activities in preparation of ITER in the field of EC power sources and NB systems (2006) (1)
Improved Simulation of Quasi-Optical Launchers for High Power Gyrotrons with Smoothing Algorithm (2019) (1)
GDS2H - V.2018: A Comprehensive Computer Code Package for the Design of Second Harmonic Gyrotrons (2019) (1)
The 1st decade of ECRH on Wendelstein stellarators - A humorous retrospect (2014) (1)
Electromagnetic energy rotation by azimuthal surface waves along plasma-metal interface around a cylindrical metallic rod placed into infinite magnetized plasma (2019) (1)
Microstructured frequency selective quasi-optical components for subterahertz and terahertz applications (2013) (1)
Lecture series on gyrotrons. 5: W7-X gyrotron, HV power supply (2013) (1)
The 1 MW 170 GHz conventional cavity gyrotron for ITER (2013) (1)
A magnetron-like interaction structure for gyro-TWTs (2004) (1)
Non-thermal effects of mm-wave sintering on the microstructure of zirconia ceramics (2005) (1)
Surface Electron Cyclotron Waves in Plasmas (2020) (1)
Spectral dynamics of mm-wave radiation from two-channel planar FEM with two dimensional distributed feedback (2014) (1)
Design of a 10kW/28GHz gyrotron with a segmented emitter using controlled-porosity reservoir cathodes (2012) (1)
Millimeter-Wave-Sources Development: Present and Future (2006) (1)
Multi-frequency ECRH at ASDEX Upgrade (2009) (1)
Emission of submm-radiation by strong turbulent plasma at two-stream instability of high current REB (2011) (1)
Status of the 2 MW-170 GHz European pre-prototype coaxial-cavity gyrotron for ITER (2010) (1)
Recent Trends in Fusion Gyrotron Development at KIT (2017) (1)
Automated Generation of High-Order Modes for Tests of Quasi-Optical Systems of Gyrotrons for W7-X Stellarator (2019) (1)
Development of investigation of mm and sub-mm wave at LPIMTR of NSU (2013) (1)
Development of an advanced vector analysis code for simulation of electromagnetic fields in quasi-optical systems of high power gyrotrons (2017) (1)
Co-axial Ka-band free electron maser using two-dimensional feedback (2006) (1)
High-power sub-THz wave generation during electron beam transportation through magnetized plasmas (2013) (1)
Experimental performance of 140 GHz gyrotrons (1993) (1)
140 GHz, 1 MW CW gyrotron development for the ECH system of the stellarator W7-X (2010) (1)
Experimental investigations on the pre-prototype of the 170 GHz, 2 MW coaxial cavity gyrotron for ITER (2008) (1)
Densification Behavior of Zirconia Ceramics Sintered Using High‐Frequency Microwaves (2008) (1)
Recent Development of a 1.5 MW, 140 GHz Continuous-Wave Gyrotron for the Upgraded ECRH System at W7-X (2020) (1)
The ECRH system for ASDEX upgrade. Status and plans (2013) (1)
RF window, state of the art of high power gyrotrons (2013) (1)
QUASI-CW 0.5 MW – 118 GHz GYROTRON FOR ECRH (1995) (1)
Influence of Electron Beam Misalignment on the Performance of a 0.24 THz, 1.5 MW Hollow-Cavity Gyrotron Design for DEMO (2018) (1)
Quasi-Optical Mode Converter (2007) (1)
Extended Feedback System for Coupled Sub-THz Gyro-Devices to Provide New Regimes of Operation (2020) (1)
Lecture series on gyrotrons. 8: Gyrotrons for spectroscopy, gyro-amplifiers (2013) (1)
Contributions to the Joint DFG-RSF Project - Generation of Ultra-Short Microwave Pulses - (2018) (1)
Quasi-optical 140 GHz ECRH system on the advanced W VII-AS stellarator (1989) (1)
The ASDEX upgrade multi-frequency ECRH system status and plans (2013) (1)
Investigation of Selective Microwave Heating by Use of Raman Spectroscopy (2010) (1)
Low power mode excitation for the cold test of next generation fusion (2003) (1)
Starting current of a 140 GHz/1.5 MW coaxial cavity gyrotron oscillator (1997) (1)
Magnetron Injection Gun for the 2 MW 170 GHz Modular Coaxial Cavity Gyrotron (2018) (1)
Review of Gyro-Devices (2004) (1)
Improvement of the gyrotron TH 1506B for Tore Supra [Tokamak application] (2004) (1)
Design studies of a quasi-optical mode converter and output system for a second harmonic sub terahertz gyrotron (2011) (1)
Frequency and mode measurement techniques for megawatt-class gyrotrons (2021) (1)
High order mode beam waveguide for technological medium power millimeter wave applications (1995) (1)
Investigations on wave propagation in launchers of advanced Gyrotron output couplers (2010) (1)
Studies on a 120 GHz, 1.0 MW, longpulse gyrotron for plasma start-up in ITER (2007) (1)
A Compact Two-Frequency Notch Filter for Millimeter Wave Plasma Diagnostics (2020) (1)
QUASI-STATIONARY ELECTRO-THERMAL HEATING MODEL FOR MICROWAVE/HYBRID-PROCESSED MATERIALS USING GREENS FUNCTION TECHNIQUES (2005) (1)
State-of-the-Art of High-Power Gyro-Devices. Update of Experimental Results 2021. (KIT Scientific Reports ; 7761) (2021) (1)
Performance measurements on high order gyrotron mode generators (2004) (1)
A new 3MW ECRH system at 105 GHz for WEST (2023) (1)
Design of adapted phase correcting mirrors for gyrotrons (2013) (1)
OPTIMIZATION OF SLOTTED WAVEGUIDES FOR 2.45 GHZ APPLICATORS USING NOVEL SLOT TYPES (2005) (1)
Design of a Quasi-Optical Mode Converter for a Dual-Frequency Coaxial-Cavity Gyrotron (2019) (1)
Low power tests on a TE/sub 28.8/-gyrotron mode converter system (2000) (1)
Exerimental investigations of generation of high power THz waves in magnetized plasma at two-stream instability of a high current REB (2012) (1)
Development of multi-megawatt gyrotrons at Forschungszentrum Karlsruhe (2005) (1)
Investigation on misalignment tolerances of 240-GHz DEMO gyrotrons (2017) (1)
Matched loads for high-power gyrotron tests (1985) (1)
Verification of the 170/204 GHz Quasi-Optical Output Coupler of the 2 MW Coaxial-Cavity Gyrotron using a Mode Generator Setup (2022) (1)
Gyrotrons for spectroscopy, gyro-amplifiers (2016) (1)
Investigations towards a segmented emitter based on controlled-porosity reservoir cathodes for gyrotrons (2012) (1)
Cold tests and high power measurements on an advanced quasi-optical mode convertor for a 118 GHz gyrotron (1995) (1)
Development of gyrotrons with 2 MW output power (2001) (1)
Benefits of advanced full-wave vector analysis codes for the design of high-power microwave tubes (2018) (1)
First CW experiments with the European ITER 170 GHz - 1 MW industrial prototype gyrotron (2017) (1)
Broadband Rotary Joint Concept for High-Power Radar Applications (2021) (1)
Electron Cyclotron Resonance Heating for W7‐X (2009) (1)
Frequency tunable gyrotrons, technology gyrotrons (2016) (1)
KIT gyrotron investigations and developments for W7-X, ITER and towards DEMO (2013) (1)
Status of the Series Production of 1-MW, 140-GHz, CW Gyrotrons for W7-X (2006) (1)
Two dimensional Bragg structures (modeling and experimental testing selective properties) (2007) (1)
In situ dilatometry and electrical resistivity measurements of copper metal powder compacts during high frequency microwave sintering (2013) (1)
A megawatt-class 220 GHz conventional cavity gyrotron (2016) (1)
New Internal BeamForming Mirror System for a Multi-Frequency 1 MW F-Band Gyrotron (2005) (1)
Beam-wave interaction modelling in the gyrotron launcher (2019) (1)
Design Studies of a 250 GHz, 50-100 W, CW Second Harmonic Gyrotron (2006) (1)
39GHz ECRH system for breakdown studies on the TCA (1991) (1)
On the Influence of B-Field Shape Variations on Gyrotron Spurious Oscillations (2013) (1)
Advanced Bragg structures based on coupling of propagating and cutoff waves: Modeling and “cold” tests (2011) (1)
Equivalent circuit analysis of helix-loaded waveguide for Gyro-TWTs (2002) (1)
Development of multimegawatt gyrotrons for fusion plasma heating and current drive (2004) (1)
Lecture series on gyrotrons. 3: Cavity, uptaper, q.o.-mode converter, collector (2013) (1)
High-power millimeter wave quasi-optical components and mode converters (2013) (1)
Design Studies of Mini-Channel Cavity Cooling for a 170 GHz, 2 MW Coaxial-Cavity Gyrotron (2019) (1)
Advanced quasi-optical mode converter for a multi-frequency gyrotron (2008) (1)
Results of 170 GHz gyrotron tests (2003) (1)
The 10 MW, CW, ECRH-Plant for W7-X: status and high power performance (2009) (1)
Investigations on mode converters for multi-frequency gyrotrons (2005) (1)
2 MW, 170 GHz coaxial-cavity short-pulse gyrotron - recent experimental results with the modified gyrotron setup (2013) (1)
Realistic Design Studies on a 300-GHz, 1-MW, DEMO-Class Conventional-Cavity Gyrotron (2022) (1)
Advanced high power gyrotrons (2001) (1)
Observation of Discrete Frequency Hopping in MW-Class Gyrotrons During Long-Pulse Operation (2015) (1)
New Type of Pulsed High-Power sub-THz Source Based on Helical-Type Gyro-TWTs (2022) (1)
New Type of Sub-THz Frequency-Doubling Gyro-TWT With Helically Corrugated Circuit (2022) (1)
Measurements of Satellite Mode Activity and Automated Mode Recovery in 140 GHz Wendelstein 7-X Gyrotrons (2018) (1)
Upgrade Of The TH1506B 118 GHz Gyrotron Using Modeing Tools (2007) (1)
The status of EU-1 MW gyrotron for ITER (2013) (1)
Powerful multichannel planar FEMs based on intense parallel sheet beams (2017) (1)
Experimental and theoretical investigations of high power sub-millimeter wave emission from plasma turbulence pumped by high current REB (2012) (1)
170 GHz, 2 MW Coaxial Cavity Gyrotron - Test of the RF output system for the first industrial prototype tube - (2006) (1)
Sub-THz wave generation by magnetized plasma with strong turbulence driven by high-current REB (2013) (1)
Report of recent experiments with the European 1 MW, 170 GHz CW and SP prototype gyrotrons for ITER (2019) (1)
Design of triode-type Magnetron Injection Gun for 460 GHz, 50–100 W, gyrotron for Medical Spectroscopy (2011) (1)
Feasibility studies of a 1.0 MW, 204 GHz CW, conventional cavity gyrotron for future thermonuclear fusion reactors (2012) (1)
Parameter Optimisation Modeling Using Stationary 1D-Electrothermal Model to Improve Temperature Homogeneity (2004) (1)
170 GHz, 2 MW coaxial cavity gyrotron - experimental investigations on the pre-prototype tube - (2008) (1)
Mode selective high power measurements on a 28 GHz gyrotron (1983) (1)
Status of high-temperature microwave materials processing at KIT (2013) (1)
Recent results in high power gyrotron development for W7-X at FZK (2008) (1)
Electron Optical and Guiding System (2004) (1)
High-power sub-THz wave generation at two-stream instability of high-current electron beam in magnetized plasma (experimental and theoretical investigations) (2013) (1)
Status of development of the 2MW, 170GHz coaxial-cavity gyrotron for ITER (2008) (1)
European 1 MW, 170 GHz CW Gyrotron Prototype for ITER - long-pulse operation at KIT - (2022) (1)
Introduction to energy generation and heating in nuclear fusion plasmas (2013) (1)
Industrial CFRP large part fabrication with the innovative hephaistos-CA2 microwave processing system (2006) (1)
Status of high-power fusion gyrotron development at KIT (2013) (1)
Coherent radiation from two-channel planar FEM with 2D distributed feedback (2012) (1)
Generation of terahertz radiation in beam-plasma interaction experiments at the GOL-3 facility (2013) (1)
1 MW, 140 GHz, CW gyrotron for Wendelstein 7-X (2000) (1)
Recent results in collaborative studies on the design of application specific gyrotrons (2011) (1)
Experimental and numerical studies on eccentricity of annular electron beam in 1 MW gyrotron cavity (2013) (1)
Ultrathin electromagnetic absorbers for mm- and submm-waves: from fundamentals towards applications in bolometric sensors (2011) (1)
Electron Cyclotron Current Drive and Wave Absorption Experiments in the W7-AS Stellarator (1990) (1)
Present State-of-the Art of the Worldwide Fusion Gyrotron Development (2014) (1)
Cylindrical wave decomposition in launchers of gyrotron quasi-optical mode converters (2011) (1)
Design studies of a 42 GHz, 200-250 kW, CW/longpulse gyrotron (2008) (1)
Neutron Spin-Flip in the Reaction 12C(n,n′)12C*(4.44MeV) at 15.0 MeV (1973) (1)
Development of Dielectric Properties Measurement for Industrial Materials Using a Rectangular Waveguide (2009) (1)
Zeroth radial modes of azimuthal surface waves in dense plasma-loaded, coaxial helix traveling-wave-tube-like waveguides (2021) (1)
Multimode calculations of frequency tunable gyrotrons for dynamic nuclear polarization applications (2008) (1)
Investigations of dynamic after cavity interaction using uniform magnetic field and adiabatic approximation (2013) (1)
Design of an ECRH system for JET (2002) (1)
Investigations on an experimental 170 GHz coaxial cavity gyrotron (2007) (1)
Cavity uptaper, q.-o.-mode converter, collector (2016) (1)
An Experimental Facility for Investigation of Gyrotron Cathode Emission Non-Uniformities (2006) (1)
1 MW, 140 GHz Series Gyrotrons for the W7-X Stellarator (2009) (1)
ECRH at ASDEX upgrade - Development of a flexible high- power millimeter wave system driven by plasma physics needs and machine safety (2014) (1)
Principle of gyrotrons (2016) (1)
On the way to a multi-frequency ECRH system for ASDEX Upgrade (2009) (1)
Investigations on RF Behavior of a V-Band Second Harmonic Gyrotron for 100/200 kW Operation (2022) (1)
ITER ECRF window development: CVD-Diamond Window (2002) (1)
Summary of the 4th IAEA Technical Meeting on ECRH Physics and Technology for ITER (2008) (1)
Long-Pulse Operation of a Gyrotron at (1996) (1)
The 10 MW, CW ECRH System For W7‐X: Status And First Integrated Tests (2005) (1)
Calculation of RF Behaviour (2004) (1)
A Cylindrical Waveguide Structure with Helical Grooves for High Power TWTs (2000) (1)
Metrology techniques for the verification of the alignment of the EU gyrotron prototype for ITER (2019) (1)
Mode purity estimation of the gyrotron RF beam (2013) (1)
STATUS OF EXPERIMENTS ON THE EU 2 MW COAXIAL CAVITY ITER GYROTRON PRE-PROTOTYPE AT FZK (2009) (1)
Time-dependent analysis of gyrotron RF output spectrum (2013) (1)
Highly efficient quasi-optical mode converter for coaxial ITER gyrotron at FZK (2009) (1)
Study of two-dimensional periodic surface lattices for high-power mm and sub-mm wave Cherenkov devices (2011) (1)
Wideband Dual Feed Electromagnetically Coupled Circularly Polarized Microstrip Patch Antenna (2006) (1)
Development of High Power Gyrotrons for Fusion Applications at FZK Karlsruhe (2007) (1)
Effective cavity length of high-power gyrotrons (2014) (1)
Studies on a 127.5 GHz, 1.0-1.3 MW, longpulse start-up gyrotron for ITER (2008) (1)
Recent experimental results of the 2MW, 170 GHz European pre-prototype coaxial-cavity gyrotron for ITER (2010) (1)
Experimental study on further performance optimization of the European 1 MW, 170 GHz gyrotron prototype for ITER (2017) (1)
Conversion of gyrotron output into Gaussian beam and its application to plasma diagnostics (2004) (1)
Proposal for ITER ECRH Component Tests at the 2 MW Power Level (2009) (0)
EC H&CD system for ITER (2010) (0)
Investigation of malting iron by millinieter-wave heating (2008) (0)
Towards 240 GHz high power fusion gyrotrons - KIT resaerch status (2017) (0)
Development of High Power Gyrotrons for Fusion Applications at FZK (2007) (0)
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Research on advanced high power gyrotrons at FZK (2004) (0)
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Compact Multi-Frequency Sub-THz Notch Filters with Rejection within and above the Pass Band (2022) (0)
Two-dimensional Bragg structures for powerful planar FEM (modeling and experimental testing) (2008) (0)
High Power CW Gyrotron Developement at KIT: Current Status and Future Prospects (2020) (0)
Effective Cavity Length of Gyrotrons (2014) (0)
Improved Measurements of Satellite Modes in 140 GHz Wendelstein 7-X Gyrotrons: An Approach towards an Electronic Stability Control (2017) (0)
The W7-X 140 GHz, 1 MW gyrotron - status and recent results (2009) (0)
Conventional cylindrical-cavity gyrotron design for DEMO (2014) (0)
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Heating patterns of microwave exposed liquid polymers (2008) (0)
The electron-cyclotron-resonance-heating system for the stellarator W7-X (2006) (0)
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The broadband multi-megawatt ECRH system at ASDEX upgrade (2012) (0)
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Preliminary studies and ideas of frequency step-tunable ECRH&CD for DEMO (2019) (0)
K-band vacuum electron tubes for materials processing: present and future (2002) (0)
Fast Switch / Power Combiner for High-Power Millimeter Waves : Concepts , Numerical Investigations and First Experiments (2006) (0)
Subterahertz electromagnetic emission of strong turbulent plasma driven by high current REB (2011) (0)
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Spectral dynamics of MM-radiation from two-channel planar FEM with two dimensional distributed feedback (2014) (0)
Selected topics on gyrotrons (2014) (0)
1 FIP / P 7-8 Conceptual Design of the DEMO EC-System : Main Developments and R & D Achievements (2016) (0)
The ECRH System on ASDEX Upgrade – Selected Physics Experiments and System Upgrade (2016) (0)
The theory of nonlinear interaction of waves in a turbulent plasma resulting in radiation of electromag (2012) (0)
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Progress in the new ECRH system for ASDEX Upgrade (2004) (0)
Generation of High-Power Sub-THz Waves in Magnetized Turbulent Electron Beam Plasmas (2013) (0)
Ongoing developments for the KIT 2-MW 170-GHz coaxial cavity gyrotron (2016) (0)
Panel Discussion, Friday, October 9, 1998 (1999) (0)
Status, Operation, and Extension of the ECRH System at ASDEX Upgrade (2015) (0)
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a New Method for the Design of Quasi-Optical Mode Converter for High Power Gyrotron (2009) (0)
Recent Design Steps towards a 4 MW 170 GHz Coaxial Gyrotron for Future Fusion Devices (2009) (0)
Electron Cyclotron Resonance Heating for W 7X (2009) (0)
A Novel Complex Cavity for Second-Harmonic Subterahertz Gyrotrons: a Tradeoff Between Engineering Tolerance and Mode Selection (2022) (0)
High-Power Gyrotron Development for Fusion Applications at KIT (2019) (0)
Adapter antenna horn waveguide modes to Gaussian structures. (1995) (0)
RF behavior of a 220/251.5 GHz, 2MW, triangular corrugated coaxial cavity gyrotron extended to the third operating frequency 283 GHz (2018) (0)
2018 Status of Gyrotron R&D for W7-X, TCV, ITER and EU DEMO within Europe (2018) (0)
Multi-physics modelling of gyrotron operation in the presence of cavity thermal expansion (2017) (0)
Simulations towards the generation of ultra-short pulses with coupled gyro-devices (2018) (0)
Synthesis of quasi-optical mode converter for 1 MW TE₃₂̦₉-mode gyrotron (2012) (0)
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Recent progress in the ITER EC H&CD system (2008) (0)
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ITER ECH window development - final report (1996) (0)
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CVD diamond disks and shells for nuclear fusion experiments (2008) (0)
Sub-THz Spectrally-Selective Quasi-Optical System (2013) (0)
Broadband Rotary Joint Concept for High-Power Radar Applications (2021) (0)
Simulations of a feedback system for coupled gyro-devices at 263 GHz (2020) (0)
Novel applications of high-power millimeter waves (1998) (0)
Development of advanced cavity cooling systems for a 170 GHz, 2 MW coaxial cavity gyrotron (2019) (0)
Recent Upgrades and Extensions of the New Multi-Frequency ECRH System at ASDEX Upgrade (2009) (0)
Time- and temperature-dependent dielectric measurements of thermosetting resins (2014) (0)
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The design of the JET-ECRH system and design considerations for ITER (2003) (0)
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2019 Status and Focus Areas in the Development of an Advanced Gyrotron for EU DEMO (2019) (0)
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Discrete frequency hopping in long-pulse high-power gyrotrons (2015) (0)
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Selective Properties of Planar Bragg Reflectors and Their Application for Multichannel Masers (2003) (0)
S1759078718000144jra 547..555 (2018) (0)
Analysis of iron core heated by millimeter-waves (2009) (0)
Progress of the Methods for Optimum of Quasi-Optical Mode Converters at KIT (2022) (0)
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A computer-controlled low-power RF system to generate very high-order modes used in future fusion gyrotrons (2018) (0)
Industrial microwave heated fluid injector (2008) (0)
Recent experiments with the European 1 MW, 170 GHz industrial CW and modular SP prototype gyrotron for ITER (2018) (0)
Recent development of the step-tunable gyrotron at FZK (2008) (0)
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Various gyrotron multistage depressed collector concepts based on E x B drift (2017) (0)
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Publisher Correction: Magnetic configuration effects on the Wendelstein 7-X stellarator (2018) (0)
High power free electron maser based on a two-dimensional Bragg cavity (2004) (0)
A novel approach for measurement of temperature dependent dielectric properties of polymer resins at 2.45 GHz (2008) (0)
Microwave apparatus for controlling the temperature of a thermal bath (1999) (0)
Microwave Heating for Wendelstein 7-X (2009) (0)
Studies on a 250 GHz , 50 W , CW Second Harmonic Gyrotron for Spectroscopy (0)
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Numerical and experimental study of electron beam axial misalignment on the performance of 1 MW step-tunable gyrotron (2013) (0)
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Design Studies towards a 170 GHz 4 MW Coaxial Gyrotron (2009) (0)
Automated Mode Recovery and Modeloss Precursor for the 140 GHz Wendelstein 7-X Gyrotrons (2018) (0)
Generation of high mode purity output of a gyrotron and its conversion to a Gaussian beam (2003) (0)
Starting Current of a 140 GHz/l.5 MW Coaxial Cavity (1997) (0)
Status and Upgrade of the ECRH System at ASDEX Upgrade (2015) (0)
Measurement of dielectric properties of liquid polymers with their temperature dependence at 2.45 GHz (2008) (0)
DEVELOPMENT OF A MICROWAVE INJECTOR FOR RESIN INFILTRATION (2015) (0)
1 MW 140 GHz gyrotron development for W7-X at FZK (2008) (0)
Study on the After Cavity Interaction in a 140 Ghz Gyrotron Using 3D CFDTD PIC Simulations (2016) (0)
A new ECRH system for ASDEX (2003) (0)
Frequency and Mode Characteristics of an Oversized Quasi-Optical Launcher towards a Step Tunable Coaxial-Cavity Gyrotron (2009) (0)
Coaxial cavity gyrotrons (2016) (0)
Experimental and theoretical investigations of emission of high power MM-wave and THz-radiation from magnetized plasma at two-stream instability of high current electron beams (2012) (0)
Development of a CUSP-Type Electron Gun for a W-Band Helical Gyro-TWT (2022) (0)
10 MW , 0.14 THz, CW Gyrotron and Optical Transmission System for Millimeter Wave Heating of Plasmas in the Stellarator W7-X (2008) (0)
Recent Progress in Optimizing Phase-Correcting Mirrors for a Multi-Frequency Gyrotron (2006) (0)
Recent results of ECH diamond window development (2004) (0)
Megawatt Cw Millimeter Wave Transmission Systems (1988) (0)
Operations with spherical calorimetric loads in different configurations at gyrotron test stands at EPFL and QST (2020) (0)
A coaxially loaded helical slow-wave structure for TWTs (2002) (0)
Numerical investigation on the influence of insert misalignment on the insert loading of a 170 GHz, 2 MW coaxial-cavity gyrotron (2018) (0)
Publisher Correction: Demonstration of reduced neoclassical energy transport in Wendelstein 7-X (2021) (0)
Development of advanced high-power 140-GHz gyrotrons for ECW applications (1995) (0)
Neutron spin-flip in the reaction $sup 12$C(n,n')$sup 12$C*(4.44 MeV) at 15.0 MeV (1973) (0)
Generation of powerful coherent radiation based on 2D distributed feedback (2008) (0)
Resonator studies of a 170 GHz, 200–250 kW, long-pulse gyrotron (2009) (0)
Status and progress of the European ITER gyrotron development (2014) (0)
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Design Studies on 0.3- THz, 0.5-MW Conventional Cavity Gyrotron for Plasma Heating (2021) (0)
Frequency-Based Investigation of Charge Neutralization Processes and Thermal Cavity Expansion in Gyrotrons (2015) (0)
Frequency step-tunable 0.5 MW, 140 GHz TEsub(n,4) gyrotron (n=9,10,11) (1993) (0)
ECR Heating and Current Drive - Step-Tunable Gyrotron Development (2009) (0)
Validation of conformal finite difference time domain method for accurate higher order mode simulations (2016) (0)
Spin-Flip Probability and Spin-Flip Asymmetry in the Reaction % MathType!MTEF!2!1!+-% feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn% hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr% 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9% vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKk (1976) (0)
Experimental verification of the EU 1 MW, 170 GHz industrial prototype gyrotron for ITER at KIT (2017) (0)
Generation of powerful narrow-band 75-GHz radiation in a free-electron maser with two-dimensional distributed feedback (2013) (0)
Development of advanced mini-channel cavity cooling systems for a 170 GHz, 2 MW coaxial cavity gyrotron (2019) (0)
Quasi-optical system for converting gyrotron output into Gaussian beam (2004) (0)
1 IT / 2-4 Re Experimental Results of the 1-MW , 140-GHz , CW Gyrotron for W 7X (2006) (0)
Notch filters for ECE diagnostics at ASDEX Upgrade and W7-X (2016) (0)
Progress on the 10 MW, 140 GHz ECH System for the Stellarator W7-X (2007) (0)
2019 Status on the design of the EU/KIT TE34,19-mode coaxial-cavity gyrotron towards dual-frequency 170/204 GHz operation (2019) (0)
Simulation of selective characteristics of two-dimensional planar Bragg resonators (2006) (0)
New results of the 140 GHz / 1 MW series gyrotrons for W-7X. (2011) (0)
Correction to: “A Compact Two-Frequency Notch Filter for Millimeter Wave Plasma Diagnostics” (2020) (0)
Design, materials composition and manufacturing of components for advanced modular gyrotron prototypes (2017) (0)
KIT Contribution to the European Gyrotron Development: Pushing High-Power Microwaves towards sub-THz-Frequencies (2019) (0)
Multi-frequency ECR at ASDEX upgrade (2008) (0)
The Gyrotron at 50: Historical Overview (2014) (0)
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High Power Gyrotrons for Fusion Plasma Heating (2009) (0)
Methods of Solving the Kinetic Vlasov-Boltzmann Equation in Case of Bounded Magnetized Plasmas (2019) (0)
Surface Flute Waves Propagating in Waveguides with Non-Circular Cross-Section (2014) (0)
Recent Investigations on Stable Operation of High-Power Gyrotrons (2009) (0)
Status and prospects of gyrotron development at KIT: 2014 update (2014) (0)
Production of powerful spatially coherent radiation based on two-dimensional distributed feedback (2008) (0)
A generalized approach for measuring the dielectric properties of lossy composite materials (2004) (0)
Characterization of Parasitic Oscillations in Multifrequency Gyrotron (2009) (0)
Multistage Depressed Collector Design Studies for High Power Gyrotrons Based on the E×B Drift Concept (2018) (0)
High purity mode operation of a gyrotron (2002) (0)
Computer-Controlled Test System for the Excitation of Very High-Order Modes in Highly Oversized Waveguides (2019) (0)
Overview of recent theoretical studies on ExB multistage depressed collector designs for gyrotrons (2017) (0)
Coupled Surface Flute Waves Propagating in Current-Carrying Plasma Waveguides (2014) (0)
Operation of the FZK Gyrotron High Voltage Supplies and Plans for Future Upgrades (2009) (0)
Critical Issues Associated with the ITER ECH System (2007) (0)
4477827 Lead frame for leaded semiconductor chip carriers (1985) (0)
Lecture series on gyrotrons. 7: Frequency tunable gyrotrons, technology gyrotrons (2013) (0)
Microwave Frequency E ff ect for Reduction of Magnetite (2008) (0)
A prototype of a 2 MW, 170 GHz coaxial cavity gyrotron for ITER - a close perspective (2008) (0)
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Status Update: Contributions to the Joint DFG-RSF Project - Generation of Ultrashort Microwave Pulses (2019) (0)
Development of high power gyrotrons for fusion plasma applications in the EU (2004) (0)
Fields- Evidence forNon-Thermal Microwave Effects (2006) (0)
Coaxial 2D-1D two-mirror cavity free-electron maser experiment (2008) (0)
Frequency step-tunable 0.5 MW, 140 GHz gyrotron for fusion plasma applications (1993) (0)
2018 Status on the Measurements Capabilities for Fusion Gyrotrons at KIT (2018) (0)
Current status of the development for the KIT 2-MW 170-GHz longer-pulse gyrotron (2017) (0)
Commissioning and Test of the ECRH system of Wendelstein 7-X (2015) (0)
Frequency step-tunable ECRH&CD from mid-plane port plug for the NTM stabilization in DEMO (2019) (0)
Densification Behavior of Zirconia Ceramics Sintered Using High‐Frequency Microwaves (2008) (0)
Steady state ECRH for next step magnetic fusion devices (2008) (0)
Status of the 10 MW 140 GHz, CW ECRH system for the stellarator W7-X (2004) (0)
Sub-mm wave emission in beam-plasma experiments on GOL-3 facility (2012) (0)
Internal Quasi-Optical Mode Converter for a Coaxial Gyrotron (2006) (0)
Polarization in 12C(% MathType!MTEF!2!1!+-% feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn% hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr% 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9% vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x% fr-xb9adbaqaaeGaciGaaiaabeqaamaa (1976) (0)
Ra 170 GHz , 2 MW , CW Coaxial Cavity Gyrotron for ITER-status and experimental results - (2006) (0)
The gyrotron test facility and its power supply at the Forschungszentrum Karlsruhe (2008) (0)
Secondary electron emission model in the code ESRAY&ESPIC (2014) (0)
High-power gyrotron development at KIT: Towards multi-megawatt power levels at THz frequencies (2018) (0)
Impact of emitter ring manufacturing tolerances on electron beam quality in high power gyrotrons (2016) (0)
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Generation of MW radiation in a two-channel planar FEM with combined electrodynamic system (2011) (0)
Design and R&D of an ECRH system on JET (2003) (0)
Quasi-optical mode converter for TE₃₂̦₉-mode gyrotron (2013) (0)
Powerful multichannel schemes of spatially-extended planar FEMs operated with two-dimensional distributed feedback (2017) (0)
2 MW, 170 GHz coaxial-cavity short-pulse gyrotron. Recent results with a single stage depressed collector (2014) (0)
Basic design considerations for a frequency-tunable ECRH&CD system to suppress NTMs in DEMO (2020) (0)
Key components development for the KIT 2-MW 170-GHz coaxial-cavity longer-pulse modular prototype gyrotron (2017) (0)
Application of CVD diamond discs in high power fusion gyrotrons and power plants (2018) (0)
Design aspects for DEMO-compatible 2 MW gyrotrons: electron gun and cavity (2014) (0)
Overview of Recent Gyrotron R&D at KIT in View of the EU DEMO (2018) (0)
Towards the 2 MW RF output power of the coaxial cavity gyrotron pre-prototype for iter (2009) (0)
A Coaxial Cavity Gyrotron - experimental results and technical conditions (2003) (0)
Status of the gyrotron multistage depressed collector development at Karlsruhe Institute of Technology [in press] (2018) (0)
10 MW FULGOR power supply performance tests and overview of test facility components (2018) (0)
Simulation of Parasitic Backward-Wave Excitation in High-Power Gyrotron Cavities (2023) (0)
The ECRH-Power Upgrade at the Wendelstein 7-X Stellarator (2023) (0)
170/204 GHz Dual-Frequency Mode Generator for Verification of the Quasi-Optical Output Coupler of a 2 MW Coaxial-Cavity Gyrotron (2022) (0)
Optimized overmoded TE01-TO-TM11 mode converters for high-power millimeter wave applications at 70 and 110 GHZ (1985) (0)
The method of small nonuniformities (1998) (0)
Status of 1MW, 140GHz, CW gyrotron for W7-X (2005) (0)
FT / P 2-24 Experimental Results of Series Gyrotrons for the Stellarator W 7X (2008) (0)
A hybrid-type 170 GHz gyrotron launcher for the TE32,9 mode (2015) (0)
The longer-pulse 170 GHz, 2 MW coaxial-cavity gyrotron at KIT [9], equipped with an advanced triode Magnetron Injection Gun (MIG) with coated emitter edges to minimize the influence of manufacturing tolerances and edge (2019) (0)
Device to prevent parasitic oscillations in electron beam tubes (2010) (0)
Confinement Studies with ECRH and ECCD at 70 and 140 GHz in the W7-AS Stellarator (1992) (0)
Studies on a 170 GHz, 1.0–1.3 MW, CW conventional cavity gyrotron (2008) (0)
Simulation of the thermophysical processes in the subterahertz imager based on a thin-film metamaterial converter (2013) (0)
HIGH TEMPERATURE PROCESSING OF POWDERS USING MILLIMETER-WAVES (2004) (0)
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Thirty Joint Russian-German Meetings on ECRH and Gyrotrons - A Retrospect - (2018) (0)
170GHz,2MW Coaxial Cavity Gyrotron - TestoftheRFoutput systemforthefirst industrial prototype tube (2006) (0)
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Mode Discrimination by Lossy Dielectric Rods in Cavities of Second-Harmonic Gyrotrons (2021) (0)
Recent Design Steps towards a 4 MW 170 GHz Coaxial-Cavity Gyrotron (2009) (0)
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Highly Efficient Slotted Waveguide Feeding Systems for 2 . 45 GHz Industrial Applicators (2006) (0)
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Full-wave simulation of electromagnetic fields in quasi-optical systems of gyrotrons (2017) (0)
Magnetic configuration effects on the Wendelstein 7-X stellarator (2018) (0)
Recent status of gyrotron research and development at KIT as part of the European fusion gyrotron program (2016) (0)
Surface Electron Cyclotron TM-Mode Waves (2019) (0)
Status and prospects of gyrotron development at KIT (2012) (0)
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Quasi-opticl mode converters and matching optics (2016) (0)
Physical and thermomechannical simulation of an optimized inverse magnetron injection gun for future fusion gyrotrons (2015) (0)
Progress in the Development of a 1.5 MW, 140 GHz Gyrotron for the Upgrade of the ECRH System at W7-X (2019) (0)
Novel High-Frequency Electric Field Sweeping Concept for High-Power Gyrotron Collectors (2023) (0)
Status and high power performance of the 10-MW 140 GHz ECH system for the stellarator W7-X (2008) (0)
Mode conversion of a gyrotron output into a Gaussian beam for its various applications (2004) (0)
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Reflection of gyrotron TE0n modes at open-ended circular waveguide (2013) (0)
Production of powerful spatially coherent radiation in free electron lasers based on two-dimensional distributed feedback (2009) (0)
Features of Chemical Reactions in the Absence of Solvents under Microwave Action (2011) (0)
Improved Measurements of Satellite Mode Activity in 140 GHz Wendelstein 7-X Gyrotrons: An Approach towards an Electronic Stability Control (2017) (0)
Microwave curing of aerospace and automotive composite structures at HEPHAISTOS experimental centre (HEC) (2008) (0)
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Studies on multistage depressed collector for high power gyrotron [in press] (2018) (0)
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Ultra narrowband detection scheme for dark photon / axion around 30 GHz (2022) (0)
Performance of the 70 GHz / 1 MW long-pulse E C R H system on the advanced stellarator W VII-AS (1988) (0)
Improvement of the Power Handling Capability of the Upgraded Multi-Frequency ECRH System at ASDEX Upgrade (2020) (0)
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First tests of the new multi-frequency ecrh system at ASDEX upgrade (2006) (0)
IR-spectroscopy for in-situ investigation of microwave processes (2008) (0)
Straight nonuniform waveguides (1998) (0)
Generation of terahertz electromagnetic radiation in a beam-driven turbulent plasma (2012) (0)
Progress on the development of the European 170 GHz, 1 MW gyrotron for ITER. (2015) (0)
Testing and Development of a 2 MW/170 GHz Coaxial-Cavity Gyrotron for ITER in the CRPP Gyrotron Test Stand (2009) (0)
Lecture series on high-power mm-wave transmission. 2: HE₁₁ mode, beam waveguides (2013) (0)
Mode converters for generating the HE11 (near-Gaussian) mode from gyrotron TEOn modes at 140 GHz (1985) (0)
Single-and Two-Frequency Sub-THz Waveguide Notch Filters With Rejection Frequencies Within and Beyond the Passband (2023) (0)
DEMO-Relevant Gyrotron Research at KIT (2019) (0)
Surface Flute Waves Propagating in Non-Isotropic Plasma Filled Waveguides (2014) (0)
INDUSTRIAL COMPOSITE CURING WITH THE 2 . 45 GHZ HEPHAISTOS SYSTEM (2004) (0)
Confinement and magnetoacoustic heating of a low density belt pinch plasma (1981) (0)
Study on the after cavity interaction in a 140 GHz model TE0,3 gyrotron using 3D CFDTD PIC simulations (2017) (0)
Two-Frequency Notch Filters for Sub-THz Plasma Diagnostics (2021) (0)
Experimental Studies On Two Types Of Magnetic Potential Wells (2017) (0)
A robust optimization algorithm for the reconstruction of dielectric properties of lossy composite materials (2004) (0)
The 140 GHZ, 1 MW Gyrotron - status and recent results (2009) (0)
Instability of surface electron cyclotron TM-modes influenced by non-monochromatic alternating electric field (2016) (0)
Upgrade of the Computer-Controlled Test System for the Excitation of Very High-Order Modes in Waveguides (2019) (0)
PL-5: Gyro-Devices and their Applications (2011) (0)
Investigations on millimeter-wave processing of ceramics at the Research Center Karlsruhe (2002) (0)
Recent Developments on the W7-X 140 GHz Gyrotron (2009) (0)
Novel methods to investigate microwave specific effects (2008) (0)
Frequency Stabilization of Megawatt-Class 140 GHz Gyrotrons at W7-X Using an Off-the-Shelf PLL System (2021) (0)
Mode converters with periodicallynonuniform waveguide walls (1998) (0)
Microwave making iron by millimeter-wave heating (2008) (0)
The Wendelstein 7-X Stellarator: Plasma Generation, Heating and Current-Drive with the Worldwide Largest Electron Cyclotron Heating Facility (2019) (0)
EC-Heating for W 7X : physics and technology (2006) (0)
Rotation of electromagnetic energy of XASWs along the plasma-metal interface (2019) (0)
Toward the First Continuous Wave Compatible Multistage Depressed Collector Design for High Power Gyrotrons (2023) (0)
Approximate Closed-Form Expressions for Nondestructive Evaluation of Dielectric Properties of Epoxy Resins and Common Liquids (2008) (0)
Electron cyclotron resonance heating for the stellarator Wendelstein 7-X (2001) (0)
Validation of conformal finite difference time domain method for accurate higher order mode simulations (2016) (0)
Operation of the multi-frequency ECRH system at ASDEX upgrade (2011) (0)
Optimization of slotted waveguide feeding for 2.45 GHz applicators using new slot shape (2004) (0)
Design of Multiple Beams Forming Network for Switched Beam Antenna System with E - Shaped Microstrip Antenna (2006) (0)
Overview of KIT activities on high power, high frequency gyrotron development and the role of the new FULGOR teststand at KIT (2019) (0)
The 8 MW dual-frequency ECRH system of ASDEX Upgrade (2018) (0)
Mode conversion in overmoded waveguides, HE11 balanced hybrid mode, Waveguide bends, beam waveguides (2016) (0)
Author Correction: Magnetic configuration effects on the Wendelstein 7-X stellarator (2018) (0)
Recent improvements on the 170 GHz, 1.5 MW coaxial cavity gyrotron at FZK (2008) (0)
Towards the Realization of a Multistage Depressed Collector Based on E×B Drift (2019) (0)
Lecture series on high-power mm-wave transmission. 1: Mode conversion in overmoded waveguides (2013) (0)
Developments for future EU DEMO gyrotrons - 2015 updata on developments within EUROfusion (2015) (0)
Nuclear Fusion (FUSION): Plasma Heating Systems – Microwave Plasma Heating & Current Drive Systems (2018) (0)
Improved simulation of quasi-optical launchers with smoothing algorithm for high power gyrotron (2018) (0)
The European contribution to the EX system: status and main challenges (2015) (0)
Development of a new vector analysis code for the simulation of electromagnetic fields in the quasi-optical system of gyrotrons (2016) (0)
Design studies of a magnetron injection gun for a 2MW, multi-frequency (220/251.5/283 GHz) triangular corrugated coaxial cavity gyrotron (2018) (0)
Time Domain Simulation of Helical Gyro-TWTs with Coupled Modes Method and 3D Particle Beam (2022) (0)
The 10 MW ECRH and CD System for W7-A and W7-AS (2003) (0)
Development of diplexers and millimeter wave filters for ECRH and diagnostics applications (2014) (0)
Towards a 170 GHz, 2 MW coaxial cavity gyrotron: experimental results and design considerations (2001) (0)
Electron cyclotron resonance heating system for the stellarator W 7-AS (1984) (0)
IT / 2-3 Rd 1 Review of the EU Activities in Preparation of ITER in the Field of EC Power Sources and NB System (2006) (0)
Self-Consistent Modeling of Beam-Wave Interaction in Complex Gyrotron Cavities with Azimuthal Slots (2022) (0)
Diode and Triode Type Magnetron Injection Guns for a 4 MW 170 GHz Coaxial-Cavity Gyrotron (2009) (0)
EU megawatt-class 140 GHz CW gyrotron for W7-X (2006) (0)
Special cases: cut-off cross sections andresonance frequencies (1998) (0)
15th Joint Russian-German Meeting on ECRH and Gyrotrons (2003) (0)
HIGHLY EFFCIENT QUASI-OPTICAL MODE CONVERTER SYSTEM FOR A 1 MW , 140 GHZ , CW (2004) (0)
Towards an 2 MW long-pulse coaxial-cavity gyrotron: Progress on the advanced KIT inverse magnetron injection gun (2017) (0)
ECRH System and Experiments at ASDEX Upgrade (2014) (0)
The 140 GHz, 10 MW, CW ECRH system for W7-X: a training field for ITER (2005) (0)
Surface Flute Waves Propagating in Uniform Magneto-Active Plasma Filled Waveguides (2014) (0)
Progress towards optimization of phase-correcting mirrors for a multi-frequency gyrotron (2005) (0)
Numerical studies on different spent beam deceleration schemes for single-stage depressed collector in high power gyrotrons (2017) (0)

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What Schools Are Affiliated With Manfred K. A. Thumm?

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