Studies of high power 10-30 GHz amplification from two-cavity gyroklystrons

W. Lawson

doi:10.1117/12.2297810

1 October 1991 Studies of high power 10-30 GHz amplification from two-cavity gyroklystrons

W. Lawson

Proceedings Volume 1576, 16th International Conference on Infrared and Millimeter Waves; 15762P (1991) https://doi.org/10.1117/12.2297810
Event: 16th International Conference on Infrared and Millimeter Waves, 1991, Lausanne, Switzerland

Abstract

At the University of Maryland we are developing high power gyroklystron amplifiers with properties suitable for driving future electron-positron colliders[1-2]. Our initial experiments have involved a sequence of six different two-cavity configurations operating near 9.87 GHz in the TE₀₁₁ mode. The energy is derived from a rotating beam in 425 kV, 80-200 A, 1 μs pulses. With velocity ratios near one, the studies have culminated in peak powers approaching 24 MW with efficiencies and large-signal gains of 33% and 34 dB, respectively. In the following paragraphs we describe the final two-cavity experiment and summarize our initial investigation into advanced configurations.

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W. Lawson "Studies of high power 10-30 GHz amplification from two-cavity gyroklystrons", Proc. SPIE 1576, 16th International Conference on Infrared and Millimeter Waves, 15762P (1 October 1991); https://doi.org/10.1117/12.2297810

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