High-power microwave generation by excitation of a plasma-filled rippled boundary resonator

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Title: High-power microwave generation by excitation of a plasma-filled rippled boundary resonator
Author: Carmel, Yuval; Minami, K.; Lou, Weiran; Kehs, R.; Destler, William; Granatstein, Victor; Abe, D.; Rodgers, J.
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 threewave interaction involving the electron-heam slow space-charge wave, the slow electromagnetic waves in the structure, and the quasi-electrostatic waves in the plasma.
Description: This article can also be found on the publishers website: http://ieeexplore.ieee.org/search/searchresult.jsp?history=yes&queryText=((high-power+microwave+generation+by+excitation+of+a+plasma-filled+rippled+boundary+resonator)%3Cin%3Emetadata)
Record URI: http://hdl.handle.net/1850/9264
Date: 1990-06

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