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Proceedings Paper

Dispersion characteristics of a two-stream relativistic klystron amplifier
Author(s): Palmyra Catravas; Chiping Chen; George Bekefi
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Paper Abstract

A two-stream relativistic klystron amplifier (RKA) is proposed in which the amplification of stimulated beam modulation is achieved via the unstable two-stream interaction rather than the use of passive cavities. After a calculation of the limiting current, the amplification and saturation of the stimulated beam modulation are analyzed using a cold-fluid model and particle-in-cell simulation. Good agreement is found between theory and simulation in the linear regime. Fully modulated intense relativistic electron beams are obtained at saturation. In the proposed scheme, substantial beam energy difference is required to achieve large instability growth.

Paper Details

Date Published: 8 July 1993
PDF: 6 pages
Proc. SPIE 1872, Intense Microwave Pulses, (8 July 1993); doi: 10.1117/12.147450
Show Author Affiliations
Palmyra Catravas, Massachusetts Institute of Technology (United States)
Chiping Chen, Massachusetts Institute of Technology (United States)
George Bekefi, Massachusetts Institute of Technology (United States)

Published in SPIE Proceedings Vol. 1872:
Intense Microwave Pulses
Howard E. Brandt, Editor(s)

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