Laser device having mirror heating

Details Laser device having mirror heating Laser device having mirror heating

1986-11-12

1988-04-26

Davie, James W.

Coherent light generators

Particular resonant cavity

Specified cavity component

372 33, 372 34, 372 42, 350353, H01S 303

Patent

active

047409886

ABSTRACT:
A laser device is disclosed having mirror heating to enhance performance of the device by minimizing induced light absorption to thereby improve mirror quality. The mirrors of a laser device are commonly made of a substrate having a coating thereon formed by alternating layers of high and low refractive index materials, normally classified as refractory oxide materials, which materials are susceptible to formation therein of color centers, such as formation of F-centers when exposed to ultraviolet light, which color centers reduce mirror quality due to induced light absorption losses. By heating the mirror, the F-centers are substantially eliminated to thereby improve mirror quality and enhance the longevity of the laser device.

REFERENCES:
patent: 3484722 (1969-12-01), Barker et al.
patent: 4615033 (1986-09-01), Nakano et al.

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