George Bekefi
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Czechoslovak physicist
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Why Is George Bekefi Influential?
(Suggest an Edit or Addition)According to Wikipedia, George Bekefi was a plasma physicist, a professor at MIT, and an inventor. In 1939 Bekefi emigrated from Czechoslovakia to England by means of a British government program to help Jewish children. He received in 1948 a B.S. in science and mathematics from University College London. In 1948 he went to Montreal as an instructor in the physics department of McGill University, where he earned an M.S. in 1950 and a Ph.D. in 1952. At McGill he became a research associate and then an assistant professor, leaving in 1957 to join MIT's Plasma Physics Group in the Research Laboratory of Electronics. Bekefi remained at MIT for the remainder of his career. In MIT's physics department he became in 1961 an assistant professor, in 1964 an associate professor, and in 1967 a full professor, retiring in the summer of 1995 as professor emeritus.
George Bekefi's Published Works
Number of citations in a given year to any of this author's works
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
- Radiation Processes in Plasmas (1969) (702)
- Principles of laser plasmas (1976) (433)
- Microwave emission from pulsed, relativistic e‐beam diodes. II. The multiresonator magnetron (1979) (157)
- Kirchhoff's Radiation Law for Plasmas with Non‐Maxwellian Distributions (1961) (100)
- Electromagnetic Vibrations, Waves, and Radiation (1977) (91)
- Giant microwave bursts emitted from a field-emission, relativistic-electron-beam magnetron (1976) (87)
- Observation of the parametric decay instability during electron cyclotron resonance heating on the Versator II tokamak (1982) (74)
- CYCLOTRON EMISSION FROM PLASMAS WITH NON-MAXWELLIAN DISTRIBUTIONS (1961) (67)
- Principles of gyrotron powered electromagnetic wigglers for free-electron lasers (1987) (65)
- Microwave studies of a tunable free‐electron laser in combined axial and wiggler magnetic fields (1985) (63)
- Two-stream, free electron lasers (1982) (59)
- MICROWAVE EMISSION AND ABSORPTION AT CYCLOTRON HARMONICS OF A WARM PLASMA (1962) (56)
- 35 GHz cyclotron autoresonance maser amplifier (1989) (51)
- NUMERICAL SIMULATION OF OSCILLATING MAGNETRONS (1981) (50)
- Spectral Measurements from a Tunable, Raman, Free-Electron Laser (1984) (49)
- Microwave emission from pulsed, relativistic e‐beam diodes. I. The smooth‐bore magnetron (1979) (45)
- Study of Optical Diffraction Images at Microwave Frequencies (1957) (42)
- Microwave Measurements of the Radiation Temperature of Plasmas (1961) (41)
- A HOMOGENEOUS DIELECTRIC SPHERE AS A MICROWAVE LENS (1956) (40)
- Current flow in a high-voltage diode subjected to a crossed magnetic field (1976) (39)
- Stimulated emission from relativistic electrons passing through a spatially periodic longitudinal magnetic field (1982) (36)
- Decameter Radiation from Jupiter (1963) (35)
- Millimeter wave emission from a rotating electron ring in a rippled magnetic field (1984) (33)
- Rippled‐field magnetron (1982) (32)
- ELECTRICALLY PUMPED, RELATIVISTIC, FREE ELECTRON WAVE GENERATORS (1980) (31)
- High brightness electrostatically focused field emission electron gun for free electron laser applications (1985) (31)
- Amplification and superradiant emission from a 33.3 GHz free electron laser with a reversed axial guide magnetic field (1992) (31)
- Experimental and theoretical studies of a 35 GHz cyclotron autoresonance maser amplifier (1991) (31)
- RESPONSE OF A WEAKLY IONIZED PLASMA TO TURBULENT GAS FLOW. (1970) (29)
- Coherent radiation from a relativistic electron beam in a longitudinal, periodic magnetic field (1981) (29)
- Stimulated raman scattering by an intense relativistic electron beam subjected to a rippled electric field (1979) (28)
- Experimental study of millimeter wave radiation from a rotating electron beam in a rippled magnetic field (1985) (28)
- Emission of Radio-Frequency Waves from Plasmas (1961) (28)
- Diffraction of Electromagnetic Waves by an Aperture in a Large Screen (1953) (27)
- Excitation of Longitudinal Waves near Electron‐Cyclotron Harmonics (1968) (26)
- Laser Interferometer for Repetitively Pulsed Plasmas (1966) (25)
- Dispersion characteristics of a free electron laser with a linearly polarized wiggler and axial guide field (1984) (24)
- Measurements of amplification and phase shift (wave refractive index) in a free-electron laser (1986) (24)
- A millimeter and submillimeter wavelength free‐electron laser (1989) (23)
- MICROWAVE EMISSION FROM NON-MAXWELLIAN PLASMAS (1963) (23)
- Growth and saturation of stimulated beam modulation in a two‐stream relativistic klystron amplifier (1993) (22)
- EFFECTS OF CONTACTS ON THE EMISSION FROM INDIUM ANTIMONIDE (1969) (21)
- A high-voltage modulator for high-power RF source research (1990) (21)
- Temporal evolution of beam emittance from a field-emission electron gun (1987) (21)
- Linear and Nonlinear Response of a Plasma Sheath to Radio Frequency Potentials (1971) (20)
- Double‐stream cyclotron maser (1992) (20)
- Structure of the plasma fireball produced by a CO2 laser. (1971) (19)
- A planar electromagnet microwiggler for free electron lasers (1990) (19)
- Microwave Diffraction by Apertures of Various Shapes (1955) (19)
- Radiation measurements from an inverted relativistic magnetron (1983) (19)
- CYCLOTRON RADIATION OF AN Hg PLASMA GENERATED BY AN ELECTRON BEAM (1964) (18)
- Generation of electromagnetic radiation from a rotating electron ring in a rippled magnetic field (1985) (18)
- Tunable microwigglers for free‐electron lasers (1989) (18)
- Cyclotron emission from intense relativistic electron beams in uniform and rippled magnetic fields (1981) (17)
- A high power, 600 μm wavelength free electron laser☆ (1989) (17)
- Particle confinement and the anomalous Doppler instability during combined inductive and lower‐hybrid current drive (1986) (17)
- Velocity diagnostics of mildly relativistic, high current electron beams (1983) (17)
- Particle beam weapons—a technical assessment (1980) (17)
- INCOHERENT MICROWAVE RADIATION FROM PLASMAS (1959) (16)
- Collision Cross Section and Energy Loss of Slow Electrons in Hydrogen (1958) (15)
- A free‐electron laser pump produced by magnetic diffusion (1980) (15)
- Nonlinear Coupling of Ion‐Acoustic Waves in a Collisionless Plasma (1972) (15)
- Beam brightness from a relativistic, field-emission diode with a velvet covered cathode (1986) (15)
- A LASER INTERFEROMETER FOR REPETITIVELY PULSED PLASMAS (1965) (14)
- Experimental study of forbidden optical transitions in a dense, laser-produced plasma (1974) (14)
- Magnetic insulation of an intense relativistic electron beam (1974) (14)
- Measurement of the temporal and spatial phase variations of a pulsed free electron laser amplifier. Final report, 1 January 1993-31 December 1994 (1994) (14)
- A 70-period high-precision microwiggler for free electron lasers (1995) (12)
- A 35 GHz cyclotron autoresonance maser amplifier (1989) (11)
- Effect of Gas Flow on the Properties of a Plasma Column (1964) (11)
- Relativistic Magnetron Research (1988) (11)
- Injection locking of a long-pulse relativistic magnetron (1991) (11)
- RF Admittance Measurements of a Slotted‐Sphere Antenna Immersed in a Plasma (1967) (11)
- The Rippled-Field Magnetron (Cross-Field Free Electron Laser) (1985) (10)
- Excitation of an optical satellite by thermal electron oscillations of a lithium plasma (1969) (9)
- Radiation Temperature of a Bounded Nonthermal Plasma. II. Experiment (1971) (9)
- Millimeter wave radiation from a rotating electron ring subjected to an azimuthally periodic wiggler magnetic field (1986) (9)
- Microwave instability in n-type indium antimonide (1967) (9)
- Cyclotron maser oscillator experiments in a periodically loaded waveguide (1995) (9)
- Aberrations in circularly symmetric microwave lenses (1956) (8)
- THE DIFFUSIVE WIGGLER - A SPATIALLY PERIODIC MAGNETIC PUMP FOR FREE-ELECTRON LASERS (1981) (8)
- Operation of a long-pulse relativistic magnetron in a phase-locking system (1990) (8)
- STARK PROFILES OF FORBIDDEN AND ALLOWED TRANSITIONS IN A DENSE, LASER PRODUCED HELIUM PLASMA. (1972) (8)
- Diffraction of Sound Waves by a Circular Aperture (1953) (7)
- Observations of frequency upshift in a pulsed free‐electron laser amplifier (1993) (7)
- Free-electron lasers and their application to biomedicine (1987) (7)
- ANOMALOUS DIFFUSION AND RESISTIVITY OF A TURBULENT, WEAKLY IONIZED PLASMA (1969) (7)
- Microwave Emission fromn-Type Indium Antimonide at 4.2 and 77°K (1967) (7)
- Time‐resolved studies of intense, relativistic electron beams with a subnanosecond Čerenkov electro‐optic shutter (1986) (6)
- Prebunching in a collective Raman free‐electron laser amplifier (1990) (6)
- Stark-broadening calculations of the Lyman- α line in a turbulent plasma (1976) (6)
- Experimental and theoretical study of periodic intensity bursts in the start-up phase of a free-electron laser oscillator (1991) (6)
- Far-Infrared Interferometer for the Measurement of High Electron Densities* (1963) (6)
- Permanent magnet helical wiggler for free electron laser and cyclotron maser applications (1987) (6)
- Observation of chirping in a traveling-wave cyclotron maser experiment (1994) (6)
- Diffraction of Electromagnetic Waves by an Aperture in an Infinite Screen (1952) (6)
- Energy distribution in relativistic electron beams from field‐emission diodes (1980) (5)
- Double stream cyclotron maser (1992) (5)
- Cyclotron resonance maser experiment in a non-dispersive waveguide (1995) (5)
- Scanning characteristics of microwave aplanatic lenses (1957) (5)
- RADIATION TEMPERATURE OF A BOUNDED NONTHERMAL PLASMA. I. THEORY. (1971) (5)
- Microwave radiation from a tunable circular free-electron laser (1987) (5)
- Injection Locking Of A long-pulse relativistic magnetron (1989) (5)
- Observations of field profile modifications in a Raman free electron laser (1989) (5)
- Growth and saturation of stimulated beam modulation in a two-stream relativistic klystron amplifier (1993) (5)
- Generation of electromagnetic radiation from a drifting and rotating electron ring in a rippled magnetic field (1987) (5)
- AM mode-locking of a free-electron laser oscillator (1993) (5)
- Effect of electron beam temperature on the gain of a collective free-electron laser (1987) (4)
- A High Power, 600 μm Wavelength Free Electron Laser (1988) (4)
- Tunable microwigglers for free electron lasers (1989) (4)
- Models of driven relativistic magnetrons with nonlinear frequency-shift and growth-saturation effects (1990) (4)
- Mode-locked free-electron laser oscillator (1992) (4)
- High efficiency 33.3 GHz free electron laser amplifier with a reversed axial guide magnetic field (1992) (4)
- Experimental measurements of lower-hybrid wave propagation in the versator II tokamak using microwave scattering (1991) (4)
- Cyclotron resonance maser experiment in a nondispersive waveguide (1996) (3)
- Experimental study of a 33.3-GHz free-electron laser amplifier with a reversed axial guide magnetic field (1992) (3)
- Experimental Studies Of A High Gradient Rf Accelerating Structure Driven By A 33 Ghz Free Electron Laser Amplifier (1994) (3)
- Effects of electron prebunching on the radiation growth rate of a collective (Raman) free-electron laser amplifier (1988) (3)
- Characteristics of the MIT microwiggler for free electron laser applications (1996) (3)
- Comments on ‘‘Study of gain, bandwidth, and tunability of a millimeter‐wave free‐electron laser operating in the collective regime’’ [Phys. Fluids 26, 2683 (1983)] (1985) (3)
- Stark broadening induced by the intense electric field of a pulsed relativistic magnetron (1979) (3)
- Generation of short pulses of coherent electromagnetic radiation in a free-electron laser amplifier (1988) (3)
- An organized method of string playing : violoncello exercises for the left hand (1965) (3)
- Analysis and measurements of permanent magnet 'bifilar' helical wigglers (1988) (3)
- Observations of periodic intensity bursts from a free electron laser oscillator (1991) (3)
- Survey of physics research in microwave devices (1984) (3)
- THE IMPEDANCE OF AN ANTENNA ABOVE A CIRCULAR GROUND PLATE LAID UPON A PLANE EARTH (1954) (3)
- Light emission from an argon discharge containing an admixture of carbon monoxide (1974) (2)
- Nonrelativistic traveling-wave cyclotron interaction (1993) (2)
- Models of driven and mutually coupled relativistic magnetrons with nonlinear frequency-shift and growth-saturation effects (1991) (2)
- Direct determination of the electron energy confinement time of a tokamak plasma (1977) (2)
- High power relativistic magnetrons: Experiments and simulation (1979) (2)
- Experimental and theoretical studies of the proposed MIT relativistic klystron amplifier (1993) (2)
- Experiments With A 35 GHz Cyclotron Autoresonance Maser (CARM) Amplifier (1988) (2)
- Critical issues in the design of two-stream relativistic klystron amplifiers (1994) (2)
- Wave absorption at the second harmonic of the electron‐cyclotron frequency in a tokamak plasma (1985) (2)
- Linear and nonlinear analysis of the cyclotron two-stream instability (1993) (1)
- Double-stream cyclotron maser (1992) (1)
- Backward-wave cyclotron maser oscillator experiment (1994) (1)
- Observation of frequency chirping and phase of a free-electron laser amplifier (1994) (1)
- Electron and plasma flow in a relativistic diode subjected to a crossed magnetic field (1975) (1)
- Experimental studies of a CERN-CLIC 32.98 GHz high gradient accelerating structure driven by the MIT free electron laser amplifier (1995) (1)
- Comments on J. H. Crysdale's ``Letter to the Editor'' (1954) (1)
- Second-cyclotron-harmonic emission measurements on ISX-B (1982) (1)
- Characterization of carbon fiber flocked cathode materials (1996) (1)
- Electron density measurements with a laser interferometer (1966) (1)
- TEMPORAL EVOLUTION OF BEAM EMITTANCE AND CATHODE PLASMA UNIFORMITY FROM A FIELD EMISSION DIODE (1987) (1)
- Resource Letter PP-2 on Plasma Physics: Waves and Radiation Processes in Plasmas (1966) (1)
- Experimental study of multiple frequency effects in a free electron laser amplifier (1990) (1)
- Studies of the 32.98 GHz CERN-CLIC high gradient accelerating structure driven by the MIT free electron laser amplifier (1996) (1)
- ADVANCES IN PLASMA DIAGNOSTICS WITH WAVES AND RADIATION. (1971) (1)
- OPTICAL TRANSITIONS STIMULATED BY PLASMA TURBULENCE. (1972) (1)
- Radiation Measurements From A 35 GHz Cyclotron Autoresonance Maser (CARM) Amplifier (1989) (1)
- A High-efficiency 33 GHz Free Electron Laser With A Reversed Axial Magnetic Field (1992) (0)
- Erratum: Laser Interferometer for Repetitively Pulsed Plasmas (1967) (0)
- Plasma dynamics: section B (1980) (0)
- Experimental and theoretical investigation of high gradient acceleration (1992) (0)
- Reply to Comments of L. Oster (1962) (0)
- Radiation measurements from a rippled-field magnetron (crossed-field FEL) (1983) (0)
- A 35 gigaherz cyclotron autoresonance maser (CARM) amplifier (1988) (0)
- Plasma research. Final report, October 1, 1968--December 31, 1976 (1976) (0)
- Compact Free Electron Lasers for Medical Applications (1993) (0)
- Two-stream Klystron And Cyclotron Maser Driven By Mildly Relativistic Electron Beams (1994) (0)
- Experimental and Theoretical Study of Periodic Intensity Bursts in the Start-up Phase of a (1991) (0)
- Tunable microwiggler free electron laser experiment (1990) (0)
- Basic mirror studies, task 1. Basic Tokamak studies, task 2 (1979) (0)
- HIGH CURRENT ELECTRON BEAMS (1983) (0)
- Microwave Emission From Relativistic Electron Beams (1983) (0)
- Short-period undulators for free-electron lasers (1988) (0)
- Microwiggler for Free Electron Laser Applications (1995) (0)
- Analysis of the electron dynamics in a Raman free electron laser with reversed axial guide magnetic field (1992) (0)
- Electrostatically pumped cross-field free electron laser (1987) (0)
- FREE ELECTRON LASER OR (1985) (0)
- FORBIDDEN OPTICAL TRANSITIONS INDUCED IN DENSE LITHIUM PLASMAS. (1970) (0)
- Relativistic diodes in crossed magnetic fields (1976) (0)
- Tunable Microwiggler Free Electron Experiment (1991) (0)
- Short-wavelength electromagnetic wigglers for compact free-electron lasers (1987) (0)
- MIT microwiggler for free electron laser applications (1995) (0)
- Task I. Basic mirror studies. Task II. Basic tokamak studies. Annual progress report (1979) (0)
- Relativistic diodes in crossed magnetic fields. Progress report, June 1, 1975--February 15, 1976 (1976) (0)
- Experimental and theoretical investigation of high gradient acceleration. Progress report, February 1, 1992--January 31, 1993 (1993) (0)
- Two-dimensional nonlinear theory of double-stream cyclotron masers (1993) (0)
- Plasma Studies on Ion Diodes. (1983) (0)
- Introduction to Plasma Physics by Francis F. Chen. Reviewer (1976) (0)
- Studies of the MIT 3.3 GHz relativistic klystron amplifier (1993) (0)
- Experimental studies of the MIT 3.3-GHz relativistic klystron amplifier (1994) (0)
- Relativistic field emission diodes in free electron Raman lasers (1980) (0)
- AM Mode-Locking of a Free-Electron (1993) (0)
- Nonlinear numerical simulations on the MIT microwave free electron laser (1993) (0)
- MIPROWAVE EMISSION FROM PULSED, RELATIVISTIC (1978) (0)
- RADIOFREQUENCY EMISSION FROM PLASMAS NOT IN THERMODYNAMIC EQUILIBRIUM (1962) (0)
- Observations Of Frequency Upshifts In A Raman, free-electron laser amplifier (1992) (0)
- Microwiggler free electron laser experiment (1989) (0)
- Free electron lasers with spiraling electrons (1985) (0)
- FIELD MAGNETRON (CROSSED-IED--FEL) (1983) (0)
- THE INTENSE ELECTRIC FIELD OF (1978) (0)
- Design studies of a 3.3-GHz relativistic klystron amplifier (1992) (0)
- Pulsed resistance bridge for studies of semiconductor contacts (1970) (0)
- Cyclotron autoresonance maser amplifier experiments at MIT (1989) (0)
- Dispersion characteristics of a two-stream relativistic klystron amplifier (1993) (0)
- Principles of Gyrotron Powered Electromagnetic Wieelers for Free-Electron Lasers vu (2001) (0)
- Microwave emission from magnetically insulated relativistic electron-beam diodes (1976) (0)
- ELECTRON CYCLOTRON HEATING AND PREIONIZATION EXPERIMENTS USING NRL 35 GHz GYROTRONS. (1981) (0)
- MIT 35-GHz cyclotron autoresonance maser amplifier (1990) (0)
- A 35 GHz free electron laser amplifier operating with high guide magnetic field (1990) (0)
- Experimental and theoretical investigation of high gradient acceleration. Progress report, June 1, 1991--February 1, 1992 (1992) (0)
- HIGH BRIGHTNESS ELECTROSTATICALLY FOCUSSED FIELD EMISSION ELECTRON GUN FOR (1984) (0)
- Microwigglers for Submillimeter Wavelength Free-Electron Lasers (1990) (0)
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