Manfred K. A. Thumm
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Physics
Manfred K. A. Thumm's Degrees
- PhD Physics University of Stuttgart
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(Suggest an Edit or Addition)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)
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- Present State-of-the Art of the Worldwide Fusion Gyrotron Development (2014) (1)
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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)
- Investigations in millimeter-wave processing of unidirectional carbon-fiber reinforced composite (CFRP) material (2002) (0)
- 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)
- Effect of ion bombardment on emission characteristics of gyrotron cathodes (2008) (0)
- Design studies and operational limits analysis for a 236 Ghz hollow-cavity gyrotron for demo (2017) (0)
- 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)
- Scientific Design of the 1 MW 170 GHz EU gyrotron for ITER. Status of procurement and assembling (2014) (0)
- Studies on multistage depressed collector for high power gyrotron [in press] (2018) (0)
- Development of a matching optics unit (MOU) for the coaxial ITER gyrotron at KIT (2011) (0)
- Development of functional material for deuterium permeation observation under divertor plasma exposures (2019) (0)
- Design of a High-Q Diamond-Loaded Cavity for a Third-Harmonic Subterahertz Gyrotron Driven by a Low-Power Electron Beam (2022) (0)
- On the Elementary Mechanical Effects of the Space-Time-Symmetry Relativity (2020) (0)
- Electron gun, beam tunnel, magnets (2016) (0)
- Preparation of steady-state operation of the Wendelstein 7-X stellarator. (2012) (0)
- Operation of a fast-frequency-step-tunable 1 MW gyrotron with hybrid-magnet system (2000) (0)
- 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)
- From W7-X towards a gyrotron design for DEMO: Ongoing research and development at KIT (2014) (0)
- 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?
Manfred K. A. Thumm is affiliated with the following schools:
