Electrical and Computer Engineering, Department of
P. F. (Paul Frazer) Williams Publications
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Document Type
Article
Date of this Version
December 1983
Abstract
Photodetachment is considered as a control mechanism for diffuse discharge switches. Experiments have been performed on photodetachment of ions in the flowing afterglow of a dc glow discharge in oxygen. Experiments with different laser wavelengths and the dependence of the optogalvanic signal on the laser energy flux indicate that 0- is the dominant negative ion. For an energy flux of 35 mJ/cm2, 50 percent of the 0- ions can be photodetached.
Comments
Published in IEEE TRANSACTIONS ON PLASMA SCIENCE, VOL. PS-11, NO. 4, DECEMBER 1983. Copyright © 1983 IEEE. Used by permission.