Purged cavity solid state tunable laser

Details Purged cavity solid state tunable laser Purged cavity solid state tunable laser

1990-02-02

1990-12-11

Gonzalez, Frank

Coherent light generators

Particular operating compensation means

372 20, H01S 1300

Patent

active

049775669

ABSTRACT:
A tunable solid state laser having a titanium:sapphire grain medium and a birefringent filter mounted within a resonant cavity is provided. The resonant cavity is longitudinally pumped. The cavity is enclosed in a casing which has a small window admitting the pump beam into the resonant cavity, and a small window with an anti-reflection coating allowing the laser output to exit the casing. The casing is maintained at a positive pressure of nitrogen gas during operation of the laser to purge the resonant cavity of air and water vapor.

REFERENCES:
patent: 3697889 (1972-10-01), Dewey, Jr.
patent: 4229709 (1980-10-01), McMahan
Burleigh Instruments, Inc., "F-Center Lasers, Retro Grating Mounts and PAS Cells", FPR 258 281, Feb. 1981.

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