Plasma filling of high-power backward wave oscillators with nonuniform slow wave structures

Author

Grabowski, C. ; Gahl, J.M. ; Schamiloglu, E.

Author_Institution

Dept. of Electr. & Comput. Eng., New Mexico Univ., Albuquerque, NM, USA

fYear

1996

fDate

3-5 June 1996

Firstpage

283

Abstract

Summary form only given. This paper presents the first data describing experiments conducted with plasma filled, nonuniform, backward wave oscillators (BWO). Previous studies have indicated enhanced microwave power output and efficiency in plasma filled BWOs with uniform structures. Efficiency enhancement has also been reported in vacuum BWOs with slow wave structures having nonuniform ripple amplitude. Data such as microwave power, efficiency, spectral content, and pulse duration are presented. Details of the novel plasma injection system are also presented including plasma parameters such as species concentration, plasma density and temperature.

Keywords

backward wave oscillators; 1.5 to 4 kA; 110 A; 200 to 500 kV; 400 to 500 ns; efficiency; efficiency enhancement; high-power backward wave oscillators; microwave power; microwave power output; nonuniform ripple amplitude; nonuniform slow wave structures; plasma density; plasma filled backward wave oscillators; plasma injection system; plasma parameters; plasma temperature; pulse duration; species concentration; spectral content; uniform structures; Dispersion; Electron beams; Filling; Frequency; Oscillators; Plasma accelerators; Plasma density; Plasma temperature; Plasma waves; Power engineering computing;

fLanguage

English

Publisher

ieee

Conference_Titel

Plasma Science, 1996. IEEE Conference Record - Abstracts., 1996 IEEE International Conference on

Conference_Location

Boston, MA, USA

ISSN

0730-9244

Print_ISBN

0-7803-3322-5

Type

conf

DOI

10.1109/PLASMA.1996.551631

Filename

551631