Method and apparatus for reducing noise in a fiber-optic sensor
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United States of America Patent
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Issued Date -
Mar 26, 2009
app pub date -
Sep 24, 2007
filing date -
Sep 24, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An optical detection system includes an optical transmit-receive system, an optical conduit in optical communication with the optical transmit-receive system, and an optical sensor in optical communication with the optical conduit. The optical transmit-receive system provides pulsed optical signals to the optical sensor by way of the optical conduit that have a maximum pulse width of about 100 nanoseconds and further have a maximum pulse width that is less than a maximum distance of reflection of the pulsed optical signals in the optical detection system to decrease false alarms.
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