Flowing gas laser

Details Flowing gas laser Flowing gas laser

1992-06-05

1994-04-12

Scott, Jr., Leon

Coherent light generators

Particular active media

Gas

372 35, 372 59, 372 92, H01S 322

Patent

active

053032535

ABSTRACT:
A compact flowing gas laser, particularly a CO.sub.2 gas laser, wherein the path or paths between the outlet or outlets and the inlet or inlets of one or more optical resonators contain a turbine whose impeller or impellers are driven by heated gas and which drives the impeller or impellers of a rotor forming part of a compressor serving to compress the thus cooled and expanded gaseous lasing medium prior to reentry into the resonator or resonators. A first heat exchanger is installed between the turbine and the compressor, and a second heat exchanger is provided downstream of the compressor.

REFERENCES:
patent: 3634778 (1972-01-01), Melikian
patent: 4089176 (1978-05-01), Ashe
patent: 4686680 (1987-08-01), Hoag
patent: 4817111 (1989-03-01), Nilsen et al.
patent: 4984245 (1991-01-01), Karube
patent: 5060238 (1991-10-01), Karube et al.
patent: 5124997 (1992-06-01), Funakubo et al.

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