Reflective sensor for detection of material degradation
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United States of America Patent
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Oct 18, 2016
Grant Date -
Jan 14, 2016
app pub date -
Sep 25, 2015
filing date -
Oct 1, 2012
priority date (Note) -
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Abstract
A sensor for detecting material degradation may include an optical fiber and a housing through which the optical fiber extends. An end cap may be affixed to an end of the housing. Light provided through the optical fiber may be reflected off of the end cap back through the optical fiber. The end cap may be made of a material of interest, and may be situated in an environment wherein the material of interest is present. A light source may provide input light through the optical fiber. A portion of the input light may be reflected off of the end cap. A light receptor may receive the reflected light via the optical fiber. A processing unit may be adapted to compare a measured intensity of the reflected light to a threshold, and to initiate an alarm condition if the measured intensity is below the threshold.
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