Anti-reflective coating for high energy optical components

Details Anti-reflective coating for high energy optical components Anti-reflective coating for high energy optical components

1977-04-01

1978-02-21

Lesmes, George F.

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Including components having same physical characteristic in...

156 99, 350 11, 350164, 350166, 350319, 428336, 428469, 428539, 428622, B32B 700, B32B 1504, G02B 526

Patent

active

040753859

ABSTRACT:
A sodium chloride or potassium chloride laser window is rendered anti-reftive by depositing, in order, an As.sub.2 Se.sub.3 layer, a NaF layer and an As.sub.2 Se.sub.3 layer. Near optimum thicknesses to permit transmission of light having wavelengths in the range of from 1 to 12 micrometers are disclosed.

REFERENCES:
patent: 2281474 (1942-04-01), Cartwright et al.
patent: 2561077 (1951-07-01), Tilton
patent: 2865253 (1958-12-01), Thielens
patent: 2887359 (1959-05-01), Gans
patent: 3569858 (1971-03-01), Witteman
patent: 3849244 (1974-11-01), Groth
patent: 3883214 (1975-03-01), Hoffman
patent: 3934961 (1976-01-01), Itoh et al.
patent: 4009453 (1977-02-01), Mahlein

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