Low distortion cooled mirror

Details Low distortion cooled mirror Low distortion cooled mirror

1981-11-06

1984-02-14

Corbin, John K.

Coherent light generators

Particular component circuitry

Optical pumping

372 15, G02B 508

Patent

active

044312695

ABSTRACT:
A cooled mirror structure useful in a high power laser optical system, constructed with a substrate formed of a material having a thermal conductivity peak in a cryogenic temperature operating range. During operation, the temperature of the substrate is maintained within the cryogenic temperature operating range to maintain the thermal conductivity within the peak, while the low cryogenic temperature also results in an extremely low coefficient of thermal expansion for the substrate. The combination of high thermal conductivity and a low coefficient of thermal expansion provides a mirror structure capable of handling extremely high energy flux loadings with a minimum amount of resultant surface deformation.

REFERENCES:
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patent: 3609589 (1971-09-01), Hufnagel
patent: 3781094 (1973-12-01), Griest
patent: 3841737 (1974-10-01), Rambauske et al.
patent: 3909118 (1975-09-01), Schmidt
patent: 3932029 (1976-01-01), Weiss
patent: 4053241 (1977-10-01), Simmons
patent: 4099853 (1978-07-01), Glickler et al.
patent: 4110013 (1978-08-01), Eitel
patent: 4214818 (1980-07-01), Choyke et al.
patent: 4219254 (1980-08-01), Macken

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