Optical interference coating capable of withstanding severe temperature environments
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United States of America Patent
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Jul 13, 1999
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app pub date -
Nov 26, 1996
filing date -
Nov 26, 1996
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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.
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