Effect of excentric electron beam on gyrotron using frequency-domain analysis

Ossama A. Abo-Elnor

doi:10.1117/12.224228

13 October 1995 Effect of excentric electron beam on gyrotron using frequency-domain analysis

Ossama A. Abo-Elnor

Proceedings Volume 2558, Millimeter and Submillimeter Waves II; (1995) https://doi.org/10.1117/12.224228
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

A nonlinear multimode frequency-domain analysis of the gyrotron is used to study the effect of excentricity of the electron beam on its performance. The guiding center of the electron beam which is usually at the center of the cavity is now shifted by a distance (Delta) _c. Variations in the gyrotron output power, efficiency, and oscillation frequency pulling because of the electron beam excentricity have been calculated for a simple cavity gyrotron with oscillation frequency of 35 GHz. This paper also introduces the ability of varying the electron beam radius to limit the variations due to the electron beam excentricity.

Citation Download Citation

Ossama A. Abo-Elnor "Effect of excentric electron beam on gyrotron using frequency-domain analysis", Proc. SPIE 2558, Millimeter and Submillimeter Waves II, (13 October 1995); https://doi.org/10.1117/12.224228

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