Optical interference coating capable of withstanding severe temp

Details Optical interference coating capable of withstanding severe temp Optical interference coating capable of withstanding severe temp

1996-11-26

1999-07-13

Spyrou, Cassandra

Optical: systems and elements

Light interference

Produced by coating or lamina

359359, 359586, 359588, 359589, 362293, 362343, 372 43, G02B 110, G02B 528, G02B 508, F21V 900

Patent

active

059234717

ABSTRACT:
An optical interference coating on a refractory substrate, the coating being comprised of alternating layers of silicon dioxide and zirconium dioxide. The coating can be in the form of an optical filter where a substrate bearing the coating can be repeatedly cycled between room temperature and a temperature of at least 1000 .degree. C without significant degradation of its optical or mechanical properties.

REFERENCES:
patent: 4649462 (1987-03-01), Dobrowolski et al.
patent: 5169229 (1992-12-01), Hoppert et al.
patent: 5646780 (1997-07-01), Crook et al.
patent: 5687185 (1997-11-01), Kozlovsky et al.

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