Fastwave growth from interactions with spatiotemporally-modulated gyrating beams

J. L. Hirshfield

doi:10.1117/12.2297883

1 October 1991 Fastwave growth from interactions with spatiotemporally-modulated gyrating beams

J. L. Hirshfield

Proceedings Volume 1576, 16th International Conference on Infrared and Millimeter Waves; 15764Q (1991) https://doi.org/10.1117/12.2297883
Event: 16th International Conference on Infrared and Millimeter Waves, 1991, Lausanne, Switzerland

Abstract

Electrons from a cyclotron autoresonant accelerator can be injected into an axisymmetric static B field on helical orbits having spatial harmonics which allow wavenumber matching to guided fastwaves at the temporal harmonics of the accelerator frequency. As a result, power transfer from beam to wave can occur as a first-order process with quadratic spatial growth. Examples at 94, 140 and 280 GHz are given which require magnetic fields no stronger than 10 kG.

Citation Download Citation

J. L. Hirshfield "Fastwave growth from interactions with spatiotemporally-modulated gyrating beams", Proc. SPIE 1576, 16th International Conference on Infrared and Millimeter Waves, 15764Q (1 October 1991); https://doi.org/10.1117/12.2297883

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