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Proceedings Paper

Optimization of klystron buncher cavities
Author(s): Alan Bromborsky
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Paper Abstract

The bandwidth of a klystron output cavity scale (approximately) as...0.8P0.2, where p is the beam perveance and P is the beam power. For high-perveance (p > 10 (mu) pervs), high-power (P > 10 kW) electron beams, it is relatively straightforward to design a broadband output cavity. However, the design of the input cavity of the broadband klystron is more difficult. The purpose of the input cavity is to produce a velocity-moldulated electron beam with a frequency-dependant modulation amplitude that will optimize the bandwidth of the entire klystron system, while providing a large enough magnitude of velocity modulation to minimize the length of the klystron. This paper shows how a multiplet (multiple cavity) buncher cavity can be designed to provide broadband (> 20%) operation while keeping the drift length of the klystron short.

Paper Details

Date Published: 8 September 1995
PDF: 11 pages
Proc. SPIE 2557, Intense Microwave Pulses III, (8 September 1995); doi: 10.1117/12.218583
Show Author Affiliations
Alan Bromborsky, Army Research Lab. (United States)

Published in SPIE Proceedings Vol. 2557:
Intense Microwave Pulses III
Howard E. Brandt, Editor(s)

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