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Relativistic plasma microwave electronics: Studies of high-power plasma-filled backward-wave oscillators
(American Institute of Physics, 1992-07)
The area of relativistic plasma microwave electronics has only recently generated renewed
interest. New experimental data are presented demonstrating that the presence of a
low-density background plasma in a relativistic ...
Linear analysis of a finite length plasma-filled backward wave oscillator
(American Institute of Physics, 1992-04)
Absolute instability in a plasma-filled backward wave oscillator with sinusoidally corrugated
slow wave structure driven by an intense relativistic electron beam has been analyzed
numerically. The maximum spatial growth ...
Studies of relativistic backward wave oscillators: Comparison bewteen theory and experiment
(SPIE, 1992)
Microwave sources based on backward-wave oscillators driven by relativistic electron beams are capable
of producing high power coherent radiation in the cm and mm wavelength regime. Although there have
been a number of ...
New modes in a plasma with periodic boundaries: the origin of the dense spectrum
(The American Physical Society, 1991-10-28)
We analyze the new features of the low-frequency (£0 < £Op) modes of wave propagation in a plasma filled,
spatially periodic structure. The spectrum of these modes is drastically modified by the periodic
boundaries in a ...
Millimeter wave free electron laser amplifiers: Experiments and designs
(1991-08)
Free electron laser amplifiers are investigated as sources of high average-power (1 MW) millimeter to submillimeter wave radiation (200-600 GHz) for application to electron cyclotron resonance heating of magnetically ...
Experimental studies of high-power microwave reflection, transmission, and absorption from a plasma-covered plane conducting boundary
(The American Institute of Physics, 1991-05-01)
Experimental studies of the reflection, transmission, and absorption of high-power microwave
pulses from a plasma-covered plane conducting boundary are presented. Under optimum
conditions, backscattered rf power is ...
Second generation, high-power, fundamental mode large-orbit gyrotron experiments
(American Institute of Physics, 1991-01-15)
Experimental studies of a large-orbit gyrotron device operating at the fundamental of the
cyclotron frequency have been conducted. Based on results of initial investigations at the
University of Maryland a linear beam ...
Studies of ion acceleration in a one meter laser controlled collective accelerator
(Institute of Electrical and Electronics Engineers, 1991)
The basic concept behind the Laser Controlled Beamfront
Experiment has been described in detail in previous
reports(1,2) In the experiment, control over the propagation
of a virtual cathode at the front of an intense ...
Relativistic backward wave oscillators: Theory and experiment
(IEEE, 1991)
Microwave sources based on backward-wave oscillators
with relativistic electron beams are capable of producing
high power coherent radiation in the cm and mm wavelength
regime. Although there have been a number of ...
Non-adiabatic transition of beams in gyrotrons through various magnetic field profiles
(Taylor & Francis, 1991)
The achievement of efficiency enhancement in small-orbit gyrotrons by using
depressed collector techniques requires precisely configured magnetic field
profiles which present adiabatic as well as non-adiabatic transitions ...