Precise Laser Initiated Closure of Multimegavolt Spark Gaps
- 1 December 1971
- journal article
- research article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 42 (12), 1767-1776
- https://doi.org/10.1063/1.1685004
Abstract
Single‐ and double‐channel laser triggered switches in high pressure gas have been designed and operated in the voltage range from 1 to more than 3 MV. Jitter times of −2 were used. The gases were either 100% nitrogen or various mixtures of N2, SF6, and Ar. Significant accomplishments were (1) the simultaneous firing of four stages of a Marx generator by an optically divided laser beam, (2) up to 40% reduction in the risetime observed in the output pulse from a multimegavolt dc generator when switched into a load through two simultaneously laser triggered channels, and (3) the design and operation of a laser triggered, dc charged switch at more than 3 MV with subnanosecond jitter.Keywords
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