Solid state laser device with light filter

Details Solid state laser device with light filter Solid state laser device with light filter

1975-11-12

1977-08-02

Sikes, William L.

Oscillators

Molecular or particle resonant type

331 945P, H01S 3092

Patent

active

040399702

ABSTRACT:
A laser device includes a solid state laser element consisting of a yttrium aluminate crystal and a source of pumping light. A light filter which intercepts and removes pumping light components having wave-lengths below about 5,000A is disposed between the laser element and the light source. The removal of these selected higher frequency components lowers the oscillation threshold value and increases the laser output.

REFERENCES:
patent: 3614662 (1971-10-01), Monchamp et al.
patent: 3634779 (1972-01-01), Crow
Handbook of Lasers, The Chemical Rubber Co., 1971, p. 390.

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