Low power laser trigger switching of a solid insulated spark gap

The feasibility of reliably triggering solid dielectric insulated spark gaps by low power (∼6 MW) lasers has been demonstrated. Breakdown of 10‐mil Lexan dielectric sheets stressed to 70 kV was initiated by a focused 6 MW, Nd in YAG laser emitting 40 mJ in a pulse 6 ns wide at the half‐peak intensit...

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Veröffentlicht in:Review of scientific instruments 1979-11, Vol.50 (11), p.1486-1487
Hauptverfasser: Guenther, A. H., Copeland, R. P., Bettis, J. R.
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container_title Review of scientific instruments
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creator Guenther, A. H.
Copeland, R. P.
Bettis, J. R.
description The feasibility of reliably triggering solid dielectric insulated spark gaps by low power (∼6 MW) lasers has been demonstrated. Breakdown of 10‐mil Lexan dielectric sheets stressed to 70 kV was initiated by a focused 6 MW, Nd in YAG laser emitting 40 mJ in a pulse 6 ns wide at the half‐peak intensity height. Delays achieved were in the tens of ns. Slight increases in laser power or electrical stress should produce shorter delays (
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title Low power laser trigger switching of a solid insulated spark gap
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