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Depressed collectors for a large orbit gyrotron
(1987-12)
An auxiliary magnetic cusp transforms
rotational motion in the spent beam of a Large-Orbit
Gyrotron into axial motion. Results
regarding the interfacing of this cusp with a
depressed collector region and the effects ...
A Short-period wiggler millimeter-wave free electron laser for plasma heating and space-borne radar
(1987-12)
We will report on the status of a new mm-wave
FEL research program based on short-period
electromagnet wigglers and a low voltage (500 kV)
sheet electron beam. Recent results of
measurements and theoretical modeling ...
Microwave radiation from a low-energy rotating electron beam in an azimuthally periodic magnetic wiggler field
(©1987 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE., 1987-09)
The generation of microwave radiation by the interaction
of a low-energy rotating electron beam (25 kV, 0.5 A, 5 ps) with an
azimuthally periodic magnetic wiggler field has been studied experimentally.
Narrow-band ...
Efficiency enhancement by using depressed collector techniques in devices employing gyrating electron beams
(Institute of Electrical and Electronics Engineers, 1987-06)
Design of a short-period-wiggler free electron laser experiment
(Institute of Electrical and Electronics Engineers, 1987-06)
Experimental study of propagation of intense relativistic electron beams in nonconducting vacuum drift tubes after passage through a localized plasma source
(American institute of physics - Journal of applied physics, 1987-04-01)
Presents a study which examined the propagation of intense relativistic electron beams into evacuated nonconducting drift tubes after passage through a localized plasma source. Details of the time-integrated photographs ...
Studies of microwave radiation from a low-energy rotating electron beam in a multiresonator magnetron cavity
(American institute of physics - Journal of applied physics, 1987-02-15)
Presents a study on the generation of microwave radiation at high harmonics of the cyclotron frequency. Reasons for the interest in the configuration process; Theory of beam dynamics; Results of the experiments.
Collective ion acceleration via laser controlled ionization channel
(Institute of Electrical and Electronics Engineers, 1987)
Initial results from a successful laser-controlled
collective ion acceleration experiment at the
University of Maryland are presented. In the
experiment, positive ions are trapped in the potential
well at the head of ...