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Demonstration of a passive subpicostrain fiber strain sensor
OPTICS LETTERS, no. 15 (2005): 1923-1925
摘要
We demonstrate a fiber Fabry-Perot (FFP) sensor that is capable of detecting subpicostrain signals, from 100 Hz and extending beyond 100 kHz, using the Pound-Drever-Hall (PDH) frequency locking technique. A low-power diode laser at 1550 nm is locked to a free-space reference cavity to suppress its free-running frequency noise, thereby sta...更多
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