Optical component of a laser

Details Optical component of a laser Optical component of a laser

1987-06-05

1989-02-28

Sikes, William L.

Coherent light generators

Particular resonant cavity

Specified cavity component

372 99, 372101, 372103, 372106, H01S 308

Patent

active

048092932

ABSTRACT:
An optical component of a laser, of the type including a hot gas plasma region, a cold gas region, and producing large photon fluxes, includes an optical element and a coating means on a surface of the optical element exposed to the photon fluxes. The coating means is comprised of a material adapted to minimize photoreduction of the optical element induced by exposure to the photon fluxes. Optical elements of the present invention include windows, birefringent plates, intracavity lenses, polarizers and mirrors. The coating means includes a material selected from the group comprising Al.sub.2 O.sub.3, BeO, Y.sub.2 O.sub.3, MgO, B.sub.2 O.sub.3, Sc.sub.2 O.sub.3, LiF, NdF.sub.3, ThF.sub.4, Na.sub.3 AlF.sub.6, and mixtures thereof.

REFERENCES:
patent: 4685110 (1987-08-01), DeBell et al.

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