Laser triggered high voltage rail gap switch
First Claim
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1. A high voltage rail gap switch for a pulse charged source comprising:
- a pair of parallel elongated electrodes spaced to form an essentially constant width gap between the electrodes, the gap having a gap length along the electrodes substantially greater than the gap width;
enclosure means, the electrodes being located in the enclosure means and the enclosure means containing a gas mixture including SF6 and Ar having a total presure above atmospheric pressure; and
coherent UV radiation source means for directing a pulsed beam through the gas mixture in the gap along the gap length and substantially parallel to the pair of electrodes for initiating multiple simultaneous current sharing breakdowns along the length of the gap between the electrodes.
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Abstract
The laser-triggered high voltage rail gap switch includes two parallel electrodes in a high pressure environment of SF6 and Ar. A pulsed UV laser directs a coherent beam parallel to the electrodes to initiate multichannel breakdown in the gap between the electrodes. This breakdown is enhanced by including an organic additive such as fluorobenzene or tri-n-propylamine in the gas mixture.
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Citations
8 Claims
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1. A high voltage rail gap switch for a pulse charged source comprising:
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a pair of parallel elongated electrodes spaced to form an essentially constant width gap between the electrodes, the gap having a gap length along the electrodes substantially greater than the gap width; enclosure means, the electrodes being located in the enclosure means and the enclosure means containing a gas mixture including SF6 and Ar having a total presure above atmospheric pressure; and coherent UV radiation source means for directing a pulsed beam through the gas mixture in the gap along the gap length and substantially parallel to the pair of electrodes for initiating multiple simultaneous current sharing breakdowns along the length of the gap between the electrodes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification