Laser triggered high voltage rail gap switch

Details Laser triggered high voltage rail gap switch Laser triggered high voltage rail gap switch

1981-05-11

1983-08-30

Dixon, Harold A.

Electric lamp and discharge devices: systems

With radiant energy sensitive control means

Radiant energy responsive load device

250423P, 313570, 313622, 313643, H05B 3702, H01J 1704

Patent

active

044019203

ABSTRACT:
The laser-triggered high voltage rail gap switch includes two parallel electrodes in a high pressure environment of SF.sub.6 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 occurs at a fixed time delay after the laser pulse. This breakdown is enhanced by including an organic additive such as fluorobenzene or tri-n-propylamine in the gas mixture.

REFERENCES:
patent: 2588789 (1952-03-01), Zinn
patent: 3398322 (1968-08-01), Guenther
patent: 3732453 (1973-05-01), Johnson
patent: 4063090 (1977-12-01), Bernhardt
"The Laser Triggering of High Voltage Switches" by Guenther et al., J. Phys. D: Applied Physics, vol. 11, pp. 1577-1613, 1978.
Laser-triggered Switch Modification to VEBA by Bettis et al., IEEE Conference Record--Jun. 3-5, 1980, pp. 28-31.
"Space Charge Effects--Gap" by H. C. Hayes et al., 3rd IEEE International Pulsed Power Conference, 1981, pp. 161-164.
"Electron Beam-Triggered Spark Gap" by McDonald et al., 2nd IEEE International Pulsed Power Conf., Jun. 1979, pp. 437-441.
"A Low Jitter Spark Gap . . . Banks", IEEE Conference Pulse Power Modulator Symposium, Jun. 1980, pp. 1-4.
"Laser Controlled Switching" by Laird Bradley et al., IEEE Journal of Quantum Electronics, vol. QE-7, No. 9, Sep. 1971, p. 464.
"A CO.sub.2 -Laser Triggered Spark Gap" by Murmikko, IEEE Journal of Quantum Electronics, vol. QE-7, No. 9, Sep. 1971, pp. 470, 471.
"Preionization Control of Streamer Propagation" by Laird Bradley, J. Applied Physics, vol. 41, No. 4, Mar. 1972, pp. 886-890.

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