Non-uniform multiple core-offset fibers for sensing and laser feedback sensor
2020
Fiber sensors by core-offset splicing with 12 unequal-length SMF-28 segments are demonstrated for ultrasound and strain detection. Combined compression-tension strain from 1 micro to 20 milli-strain at 1 micro-strain accuracy is achieved. This device as feedback in laser sensor has improved sensitivity by 10 times.
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