High-pressure gas laser apparatus and method of laser processing

Details High-pressure gas laser apparatus and method of laser processing High-pressure gas laser apparatus and method of laser processing

1991-01-11

1992-10-06

Epps, Georgia Y.

Coherent light generators

Particular pumping means

Electrical

372 56, 372 57, 372 61, 372 86, H01S 3097

Patent

active

051538920

ABSTRACT:
A novel gas laser apparatus is disclosed, which comprises a hermetic container with a gas laser medium sealed therein, a plurality of main discharge electrodes arranged in the hermetic container for causing the main discharge in the gas laser medium thereby to generate a laser beam, and a device for subjecting the discharge space between the main discharge electrodes to preionization over a wide range thereof before the main discharge by use of a reflected laser beam or an ultraviolet ray lamp.

REFERENCES:
patent: 4417342 (1983-11-01), McKee
patent: 4509176 (1985-04-01), Marchetti et al.
patent: 4555787 (1985-11-01), Cohn et al.
patent: 4629203 (1987-07-01), Taylor et al.
patent: 4748635 (1988-05-01), McLellan
patent: 4953174 (1990-08-01), Eldridge et al.
Beaupere et al, "TuH6 High Frequency Corona Phototriggared Excimer Lasers", CLEO 1988.

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