TITLE

Flash-lamp-triggered high-power thyratron-type switch

AUTHOR(S)
Kirkman, G.; Hartmann, W.; Gundersen, M. A.
PUB. DATE
February 1988
SOURCE
Applied Physics Letters;2/22/1988, Vol. 52 Issue 8, p613
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Extremely high cold cathode emission and a plasma current density that is much higher than commercial glow discharge hot cathode switches have been obtained in a flash-triggered hollow cathode thyratron-type switch that operates in a glow mode. The cold cathode emission is higher by several orders of magnitude than emission from thermionic cathodes in high-power hydrogen thyratrons, without arc formation. Peak current >17 kA, dI/dt>3×1011 A/s, and power gain >1400 are observed. The switch has been successfully operated as a thyratron substitute in a commercial XeCl excimer laser. The work demonstrates a new approach to thyratron-type switches, and a wide range of technologically useful physical processes that are poorly understood.
ACCESSION #
9826059

 

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