Apparatus for preionizing apulsed gas laser

Details Apparatus for preionizing apulsed gas laser Apparatus for preionizing apulsed gas laser

1992-03-12

1993-09-21

Scott, Jr., Leon

Coherent light generators

Particular component circuitry

Optical pumping

372 86, 372 87, H01S 300

Patent

active

052475310

ABSTRACT:
An apparatus for preionization of a pulsed gas laser comprises corona preionization electrodes (12, 12') which are each arranged adjacent a respective associated main electrode (10, 10'). To generate an effective preionization with low constructional and circuit expenditure the preionization electrodes (12, 12') are set under voltage with the same high-voltage source (16) which also supplies the main electrodes (10, 10') with voltage. By means of an inductance (30) a time delay is set between the excitation of the preionization electrodes and the triggering of the main discharge between the main electrodes (10, 10').

REFERENCES:
patent: 4555787 (1985-11-01), Cohn et al.
patent: 4718072 (1988-01-01), Marchetti et al.
patent: 4953174 (1990-08-01), Eldridge et al.
patent: 5090021 (1992-02-01), Nakatani et al.
"Japanese Journal of Applied Physics", vol. 29, No. 1, Jan. 1990, pp. 95-100 (K. Nakamura et al.).

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