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Proceedings Paper

Slotted third-harmonic peniotron forward-wave oscillator
Author(s): Anthony T. Lin; Chae K. Chong; David B. McDermott; Adam J. Balkcum; Frederic V. Hartemann; Neville C. Luhmann
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Paper Abstract

An experiment has been built to test the novel, efficient peniotron interaction at the third harmonic in a slotted eight-vane waveguide by using the axis-encircling electron beams produced by a gyroresonant rf accelerator. By configuring the oscillator so that the peniotron is excited as a forward wave at the cutoff frequency of a travelling-wave circuit, the peniotron can be made to dominate over the usually stronger gyrotron interaction. The 10 GHz peniotron will be driven by a 70 kV, 3.5 A axis-encircling electron beam with (alpha) equals v(perpendicular)/VZ equals 1.3 and is predicted by a nonlinear, self-consistent, multi-mode PIC code to yield 110 kW with 45% efficiency. The travelling-wave circuit is terminated on the upstream end by a load and by a transition to a TE41/TE11 mode converter on the collector end. PIC code simulation results and a description of the assembled experiment are presented.

Paper Details

Date Published: 13 May 1994
PDF: 6 pages
Proc. SPIE 2154, Intense Microwave Pulses II, (13 May 1994); doi: 10.1117/12.175762
Show Author Affiliations
Anthony T. Lin, Univ. of California/Los Angeles (United States)
Chae K. Chong, Univ. of California/Davis (United States)
David B. McDermott, Univ. of California/Davis (United States)
Adam J. Balkcum, Univ. of California/Davis (United States)
Frederic V. Hartemann, Univ. of California/Davis (United States)
Neville C. Luhmann, Univ. of California/Davis (United States)

Published in SPIE Proceedings Vol. 2154:
Intense Microwave Pulses II
Howard E. Brandt, Editor(s)

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