Title :
Performance of a cathode mounted plasma injection source on the UNM long-pulse BWO
Author :
Grabowski, C. ; Gahl, J.M. ; Schamiloglu, Edl
Author_Institution :
Dept. of Electr. & Comput. Eng., New Mexico Univ., Albuquerque, NM, USA
Abstract :
Summary form only given. The studies conducted with the cathode mounted plasma source have been performed at the University of New Mexico (UNM) on the UNM long-pulse BWO experiment. The BWO is driven by a modified Physics International Pulserad 110A electron beam accelerator, which can provide intense relativistic beams for the BWO having energies of 200/spl sim/500 kV at currents of 1.5/spl sim/4.0 kA with pulse durations of 500/spl sim/600 ns. Data describing plasma prefill density at different axial positions within the BWO prior to operation will be presented. A comparison will then be made of BWO performance with and without the prefill plasma. Details of the novel plasma injection system will also be presented.
Keywords :
backward wave oscillators; cathodes; electron beams; plasma applications; plasma density; plasma production; relativistic electron beam tubes; 1.5 to 4.0 kA; 200 to 500 kV; UNM long-pulse BWO; cathode mounted plasma injection source; intense relativistic beams; modified Physics International Pulserad 110A electron beam accelerator; plasma prefill density; Cathodes; Frequency; Oscillators; Plasma confinement; Plasma devices; Plasma sources; Plasma waves; Power engineering and energy; Power engineering computing; Power generation;
Conference_Titel :
Plasma Science, 1997. IEEE Conference Record - Abstracts., 1997 IEEE International Conference on
Conference_Location :
San Diego, CA, USA
Print_ISBN :
0-7803-3990-8
DOI :
10.1109/PLASMA.1997.604788