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Proceedings Paper

Relativistic klystron amplifier IV: simulation studies of a coaxial-geometry RKA
Author(s): Jonathan Krall; Moshe Friedman; Yue Ying Lau; Victor Serlin
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Paper Abstract

A coaxial drift tube allows propagation of an ultra high power relativistic electron beam (500 keV, not less than 100 kA, 100 ns). In this paper we study the modulation of a large diameter (12.6 cm) intense relativistic electron beam (500 keV, 16 kA) by an external microwave source via particle simulation. The annular beam, enclosed within a coaxial drift tube, is found to be fully modulated by a low-power external RF source at a frequency of 1.3 GHz. We further show that the coaxial configuration is easily scaled to high power. Here, a very large diameter (26 cm) intense beam (460 keV, 100 kA) is fully modulated at 1.3 GHz to obtain 31 GW of RF beam power.

Paper Details

Date Published: 1 April 1991
PDF: 9 pages
Proc. SPIE 1407, Intense Microwave and Particle Beams II, (1 April 1991); doi: 10.1117/12.43477
Show Author Affiliations
Jonathan Krall, Naval Research Lab. (United States)
Moshe Friedman, Naval Research Lab. (United States)
Yue Ying Lau, Naval Research Lab. (United States)
Victor Serlin, Naval Research Lab. (United States)

Published in SPIE Proceedings Vol. 1407:
Intense Microwave and Particle Beams II
Howard E. Brandt, Editor(s)

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