Laser oscillator device

Details Laser oscillator device Laser oscillator device

1991-07-19

1992-05-05

Epps, Georgia Y.

Coherent light generators

Particular active media

Gas

372 55, 372 58, H01S 303, H01S 322

Patent

active

051114747

ABSTRACT:
A laser oscillator device comprises an electric-discharge tube for producing an electric discharge in a laser gas contained in the electric-discharge tube for laser excitation, an optical resonator for effecting laser oscillation, and a gas circulating device having a gas blower and a cooling unit for forcibly cooling the laser gas. The gas blower has an impeller that is rotatable in the laser gas and bearings that are lubricated by grease. With this arrangement, contamination of the optical parts is prevented and the device can easily be maintained.

REFERENCES:
patent: 4351052 (1982-09-01), Sasaki et al.
patent: 4504954 (1985-03-01), Guers et al.
patent: 4817111 (1989-03-01), Nilsen et al.
patent: 4907240 (1990-03-01), Klingel
patent: 4923364 (1990-05-01), Nilsen et al.

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