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

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

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 ab...

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Veröffentlicht in:Physical review letters 1989-05, Vol.62 (20), p.2389-2392
Hauptverfasser: CARMEL, Y, MINAMI, K, KEHS, R. A, DESTLER, W. W, GRANATSTEIN, V. L, ABE, D, LOU, W. L
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Sprache:eng
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Exact sciences and technology
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plasma devices
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container_end_page 2392
container_issue 20
container_start_page 2389
container_title Physical review letters
container_volume 62
creator CARMEL, Y
MINAMI, K
KEHS, R. A
DESTLER, W. W
GRANATSTEIN, V. L
ABE, D
LOU, W. L
description 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 40 percent. 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. (Author)
doi_str_mv 10.1103/physrevlett.62.2389
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source American Physical Society Journals
subjects Exact sciences and technology
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plasma devices
title Demonstration of efficiency enhancement in a high-power backward-wave oscillator by plasma injection
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