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U.S. Department of Energy
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Conditioning and simulations for the one-microsecond, one kilojoule per-pulse L-band relativistic klystron

Conference ·
OSTI ID:170214

The development of a high-current relativistic klystron amplifier (RKA) is continuing at Los Alamos. The goal is to produce 1 kJ per pulse, with a one-microsecond pulsewidth, and a peak power of 1 GW. The three cavity tube has already produced pulses with more than 150 J and over 450 MW peak power. The output power has been limited by breakdown in the output cavity. A novel scheme for ex-situ conditioning of the output cavity gap pieces is being developed. A specialized cavity with a high Q, that holds the gap pieces in the same geometry as in the tube, is used in conjunction with a high power commercial klystron to field condition the surfaces. Results from this work and recent PIC code simulations are presented.

OSTI ID:
170214
Report Number(s):
CONF-950612--; ISBN 0-7803-2669-5
Country of Publication:
United States
Language:
English