INTERROGATOR FOR A PLURALITY OF SENSOR FIBER OPTIC GRATINGS
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United States of America Patent
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Issued Date -
Aug 21, 2014
app pub date -
Apr 24, 2014
filing date -
Oct 23, 2007
priority date (Note) -
Abandoned
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Abstract
An interrogator for a plurality of sensor fiber optic gratings. The interrogator includes an optical source for providing signals to the plurality of sensor fiber optic gratings. At least one optical filter converts optical signals, returned from the plurality of sensor fiber optic gratings, from (a) changes in peak reflection wavelength to (b) changes in intensity. At least one optical receiver receives the converted optical signals from the at least one optical filter.
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