High-Power Microwave Generation by Excitation of a Plasma-Filled Rippled Boundary Resonator

Yuval Carmel; Weiran Lou; William W. Destler; Victor L. Granatstein; D. K. Abe; J. Rodgers

doi:10.1109/27.55920

High-Power Microwave Generation by Excitation of a Plasma-Filled Rippled Boundary Resonator

Yuval Carmel, Weiran Lou, William W. Destler, Victor L. Granatstein, D. K. Abe, J. Rodgers

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78 Scopus citations

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 40%. A linear theory of electromagnetic wave generation in plasma-loaded corrugated wall resonators is reviewed. A number of physical mechanisms are considered to account for the enhanced interaction, including two variations of a three-wave interaction involving the electron-beam slow space-charge wave, the slow electromagnetic waves in the structure, and the quasi-electrostatic waves in the plasma.

Original language	English
Pages (from-to)	497-506
Number of pages	10
Journal	IEEE Transactions on Plasma Science
Volume	18
Issue number	3
DOIs	https://doi.org/10.1109/27.55920
State	Published - 1 Jan 1990
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics
Condensed Matter Physics

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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 40%. A linear theory of electromagnetic wave generation in plasma-loaded corrugated wall resonators is reviewed. A number of physical mechanisms are considered to account for the enhanced interaction, including two variations of a three-wave interaction involving the electron-beam slow space-charge wave, the slow electromagnetic waves in the structure, and the quasi-electrostatic waves in the plasma.",

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AU - Lou, Weiran

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AU - Granatstein, Victor L.

AU - Abe, D. K.

AU - Rodgers, J.

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AB - 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%. A linear theory of electromagnetic wave generation in plasma-loaded corrugated wall resonators is reviewed. A number of physical mechanisms are considered to account for the enhanced interaction, including two variations of a three-wave interaction involving the electron-beam slow space-charge wave, the slow electromagnetic waves in the structure, and the quasi-electrostatic waves in the plasma.

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High-Power Microwave Generation by Excitation of a Plasma-Filled Rippled Boundary Resonator

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ASJC Scopus subject areas

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