Numerical simulations of nonstationary processes in intense helical electron beams of gyrotrons

Boris V. Raisky; Shulim E. Tsimring

doi:10.1117/12.224251

13 October 1995 Numerical simulations of nonstationary processes in intense helical electron beams of gyrotrons

Boris V. Raisky, Shulim E. Tsimring

Proceedings Volume 2558, Millimeter and Submillimeter Waves II; (1995) https://doi.org/10.1117/12.224251
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

Experiments with helical electron beams (HEB) of powerful gyrotrons displayed the existense of intense nonstationary processes in HEB. The version of numerical simulation of HEBs is proposed which is based on the method of large particles. Some results of the analysis are given with account of the electrons reflected from the magnetic mirror and locked in the adiabatic trap. First of all, among the traced effects is intense bombardment of the cathode by the trapped electrons. Also, the formation of quasistationary states with their parameters (velocity spread, pitch-factor) essentially different from those given by the static theory was detected.

Citation Download Citation

Boris V. Raisky and Shulim E. Tsimring "Numerical simulations of nonstationary processes in intense helical electron beams of gyrotrons", Proc. SPIE 2558, Millimeter and Submillimeter Waves II, (13 October 1995); https://doi.org/10.1117/12.224251

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