Gas laser device

Details Gas laser device Gas laser device

1986-10-16

1988-04-26

Davie, James W.

Coherent light generators

Particular active media

Gas

372 61, 372 87, 372701, H01S 303

Patent

active

047409800

ABSTRACT:
In a gas laser device according to this invention, a gas inlet having an electrode protrudes within each of expanded portions protruding on the side, where the gas inlet is disposed, of the principal portion of the discharge tube. Gas medium ejected from the gas inlet in the principal portion of a discharge tube collides with the inner surface of the principal portion of a discharge tube, while forming a flame extending along the ejected gas medium from the electrode and is divided into two partial flows. One of them flows along the wall of the expanded portion; collides with the gas inlet; and is divided further into two partial flows. Therefore it does not collide with the gas medium within the gas inlet. Consequently the gas medium and the flame fluctuate hardly and are stabilized. In this way it is possible to stabilize the laser output.

REFERENCES:
patent: 4351052 (1982-09-01), Sasaki et al.
patent: 4672621 (1987-06-01), Morita et al.

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