Optical fiber sensor
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United States of America Patent
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Sep 13, 1988
Grant Date -
N/A
app pub date -
Apr 16, 1987
filing date -
Apr 24, 1986
priority date (Note) -
Expired
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Abstract
In an optical fiber sensor, the fiber has a sensitive zone which cooperates with a retroreflecting surface through the agency of an optical couplant. The function of the retroreflecting surface is to return into the optical fiber all light losses which escape from the fiber in the sensitive zone.
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