Ultra-sensitive dynamic strain detection by phase-sensitive laser frequency locking to a passive Bragg grating resonato

Chow, Jong H.; Littler, Ian C.M.; McClelland, David E.; Gray, Malcolm B.

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Ultra-sensitive dynamic strain detection by phase-sensitive laser frequency locking to a passive Bragg grating resonato

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2005

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We demonstrate a pico-strain sensing technique by remote interrogation of passive Bragg grating Fabry-Perot resonators, based on the Pound-Drever-Hall technique, used for laser frequency locking and signal extraction. It employs radio-frequency phase modulation to derive error signals.

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https://dspace-test.anu.edu.au/handle/1885/733743321

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DevOps Pure Testing

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Ultra-sensitive dynamic strain detection by phase-sensitive laser frequency locking to a passive Bragg grating resonato

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