Demonstration of efficiency enhancement on a high-power backward-wave oscillator by plasma injection

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Title: Demonstration of efficiency enhancement on a high-power backward-wave oscillator by plasma injection
Author: Carmel, Y.; Minami, K.; Kehs, R.; Destler, William; Granatstein, V.; Abe, D.; Lou, W.
Abstract: An experimental demonstration of a strong enhancement of the interaction efficiency in a high-power relativistic backward-wave oscillator when plasma is injected is presented. Controlled plasma injection enhances the interaction efficiency over the vacuum case by a factor of up to 8 to a value of about 400/0. The enhanced interaction is attributed to induced scattering of the electromagnetic radiation of electrons in an electrostatic field produced by the background plasma and a beam space-charge wave in the corrugated interaction region.
Description: This article can also be found on the publishers website: http://prl.aps.org/RIT community members may access full-text via RIT Libraries licensed databases: http://library.rit.edu/databases/
Record URI: http://hdl.handle.net/1850/9373
Date: 1989

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