Title :
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
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;
Conference_Titel :
Plasma Science, 1996. IEEE Conference Record - Abstracts., 1996 IEEE International Conference on
Conference_Location :
Boston, MA, USA
Print_ISBN :
0-7803-3322-5
DOI :
10.1109/PLASMA.1996.551631
