Traveling wave fiber optic interferometric sensor and method of polarization poling fiber optic
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United States of America Patent
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May 29, 1990
Grant Date -
N/A
app pub date -
Oct 31, 1988
filing date -
Oct 31, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical light conducting fiber that has a D-shaped stress sensitive coating of PVF.sub.2 which covers substantially equal length segments of said fiber, so that each of said segments is separated by equal uncoated segments of substantially the same length as said coated segments. The fiber when used in an interferometer provides an antenna that is capable of sensing electromagnetic and other stress-inducting waves in the environment. The optical fiber is polarized by winding it on a specially designed spool, heating it and applying a high intensity electric field in the desired direction.
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