Optical waveguide device and manufacturing method of the same
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United States of America Patent
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Aug 13, 1996
Issued Date -
N/A
app pub date -
Dec 15, 1994
filing date -
Jul 8, 1992
priority date (Note) -
Expired
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Abstract
An optical waveguide device comprises a first transparent dielectric substrate having a predetermined index of refraction and a predetermined coefficient of thermal expansion, and a second transparent dielectric substrate having the same index of refraction and coefficient of thermal expansion as the first transparent dielectric substrate. An intervening layer having an index of refraction smaller than the index of refraction of the first and second transparent dielectric substrates is interposed between the first and second transparent dielectric substrates. An optical waveguide path is formed in at least either of the first and second transparent dielectric substrates.
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