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Proceedings Paper

Model of injection-locked relativistic klystron oscillator
Author(s): John W. Luginsland; Yue Ying Lau; Kyle J. Hendricks; Phillip Dale Coleman
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Paper Abstract

By the use of a simple model, we explicitly incorporate the coupling between the driver cavity and the booster cavity in a relativistic klystron amplifier (RKA). We show that this RKA configuration may turn into an injection locked oscillator only when the beam current is sufficiently high. Other features revealed by this model include: the downshifted frequency mode (`0' mode) is unstable whereas the upshifted frequency mode (`(pi) ' mode) is stable; the growth rate of the `0' mode is relatively mild so that the oscillation can start only in an injection locked mode; the oscillation does not require the presence of reflected electrons; and the separation of the cavities must be sufficiently short. These, and other features, are found to be in qualitative agreement with the recent experiments on the injection locked relativistic klystron oscillator that were conducted at the Phillips Laboratory.

Paper Details

Date Published: 28 October 1996
PDF: 10 pages
Proc. SPIE 2843, Intense Microwave Pulses IV, (28 October 1996); doi: 10.1117/12.255392
Show Author Affiliations
John W. Luginsland, Univ. of Michigan (United States)
Yue Ying Lau, Univ. of Michigan (United States)
Kyle J. Hendricks, Univ. of Michigan (United States)
Phillip Dale Coleman, Univ. of Michigan (United States)

Published in SPIE Proceedings Vol. 2843:
Intense Microwave Pulses IV
Howard E. Brandt, Editor(s)

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