Optical device

Details Optical device Optical device

1975-09-29

1976-11-02

Corbin, John K.

Oscillators

Relaxation oscillators

331 945C, 331 945D, 350 93, G02B 2700

Patent

active

039893600

ABSTRACT:
Optical device comprising two optical elements made of germanium arranged parallel to each other and intended to have a high-power CO.sub.2 laser beam crossing through them; helium at low temperature flows between the two optical elements and a dry nitrogen flux is directed towards at least one of the input and output faces of the device.

REFERENCES:
patent: 3580658 (1971-05-01), Swanson
patent: 3614652 (1971-10-01), Nicolai
patent: 3652954 (1972-03-01), Snitzer
patent: 3894795 (1975-07-01), Laurens

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