High voltage switch triggered by a laser-photocathode subsystem
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United States of America Patent
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Jan 8, 2013
Grant Date -
Sep 8, 2011
app pub date -
Mar 4, 2010
filing date -
Mar 4, 2010
priority date (Note) -
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Abstract
A spark gap switch for controlling the output of a high voltage pulse from a high voltage source, for example, a capacitor bank or a pulse forming network, to an external load such as a high gradient electron gun, laser, pulsed power accelerator or wide band radar. The combination of a UV laser and a high vacuum quartz cell, in which a photocathode and an anode are installed, is utilized as triggering devices to switch the spark gap from a non-conducting state to a conducting state with low delay and low jitter.
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