Extended lifetime railgap switch

Details Extended lifetime railgap switch Extended lifetime railgap switch

1985-05-20

1988-02-02

Scott, Jr., Leon

Coherent light generators

Particular pumping means

Electrical

372 83, 372 55, 372 69, 361327, H01S 3097

Patent

active

047232552

ABSTRACT:
An improved railgap switch for use with pulse discharge gas lasers. The blade of the prior art railgap switches is replaced by an electrode having an "T" shaped cross section which provides two edges along which arcs are generated. The thickness of the "T" cross section near the edges at which arcs are formed is relatively uniform and oriented at a constant distance from the second electrode so that the thickness and distance remains unchanged despite ablation of the edges of the electrode. As a consequence the electrical properties of the switch are not altered significantly by ablation caused by repetitive operation of the switch.

REFERENCES:
patent: 4077017 (1978-02-01), Gilson et al.
patent: 4223279 (1980-09-01), Bradford et al.
patent: 4342115 (1982-07-01), Davis
patent: 4498183 (1985-02-01), Levatter
Cohn et al., "Photoinitiated Transversely Sustained CO.sub.2 Laser", Appl. Phys. Lett., vol. 22, No. 4, 15 Feb. 1973.

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