Photoconductive switching of a high-voltage spark gap

G.J.H. Brussaard, J. Hendriks

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

We have demonstrated photoconductive switching of a gas-filled spark gap. A femtosecond Ti:sapphire laser was focused in a 1 mm spark gap biased at 4.5 kV. There is a clear transition between triggered operation, when only part of the path between the electrodes is ionized, and photoconductive switching, when the entire length of the gap is ionized directly by the laser. The measured standard deviation of the time fluctuations between the rising edge of the transmitted electrical pulse and the laser was less than 15 ps.
Original languageEnglish
Article number081503
Pages (from-to)081503-1/3
JournalApplied Physics Letters
Volume86
Issue number8
DOIs
Publication statusPublished - 2005

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