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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 ...
Statement on Expectations for Tenure and Promotion
Depressed collectors for a large orbit gyrotron
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 ...
Periodic magnetic focusing of sheet electron beams
(American Institute of Physics, 1994-05)
Sheet electron beams focused by periodically cusped magnetic (PCM ) fields are stable against low-frequency velocity-shear instabilities (such as the diocotron mode). This is in contrast to the more familiar unstable ...
High-power microwave generation from large-orbit devices
Experimental and theoretical studies at the University of Maryland on the production of high-power microwave radiation in cusp-injected, large-orbit devices are reviewed. Three classes of devices belonging to this ...
Intense charged particle beam propagation into vacuum
The propagation of intense charged particle beams into vacuum without the aid of externally applied confining magnetic fields is under investigation both theoretically and experimentally. In the configuration under study ...
High power plasma filled backward wave oscillators
Relativistic backward wave oscillators (BWOs) have proven to be relatively efficient, high-power microwave sources in the centimeter wavelength range. Recent Soviet results have indicated that the use of a background ...