In-fiber variable optical attenuators and modulators using index-changing liquid media
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United States of America Patent
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Sep 16, 2003
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N/A
app pub date -
Aug 10, 2001
filing date -
Aug 10, 2000
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Expired
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Abstract
Fiber optical devices formed on substrates fabricated with grooves that operate based on evanescent optical coupling through a side-polished fiber surface in each fiber involved. An index-changing liquid is used to control the evanescent optical coupling in response to a control signal.
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