Solid state etalons with low thermally-induced optical path length change
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United States of America Patent
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Issued Date -
Jan 1, 2004
app pub date -
Aug 14, 2002
filing date -
Jun 28, 2002
priority date (Note) -
Abandoned
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Abstract
An etalon is disclosed comprising a first material having a first coefficient of thermal optical path length change .mu..sub.1, a second material having a second coefficient of thermal optical path length change .mu..sub.2, and an optical path extending through the first material and the second material, wherein one of .mu..sub.1 and .mu..sub.2 is negative. Etalons composed of a single crystalline material are also disclosed. Such materials include crystalline quartz.
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