DocumentCode
1820583
Title
Ultra-sensitive dynamic strain detection by phase-sensitive laser frequency locking to a passive Bragg grating resonator
Author
Chow, Jong H. ; Littler, Ian C M ; McClelland, David E. ; Gray, Malcolm B.
Author_Institution
Fac. of Sci., Australian Nat. Univ., Canberra, ACT, Australia
Volume
2
fYear
2005
fDate
6-11 March 2005
Abstract
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.
Keywords
Bragg gratings; Fabry-Perot resonators; fibre optic sensors; laser mode locking; optical modulation; optical signal detection; phase modulation; strain sensors; Fabry-Perot resonator; Pound-Drever-Hall technique; passive Bragg grating resonator; phase-sensitive laser frequency locking; picostrain sensing technique; radio-frequency phase modulation; signal extraction; ultrasensitive dynamic strain detection; Australia; Bragg gratings; Capacitive sensors; Laser noise; Laser theory; Laser tuning; Optical resonators; Phase detection; Phase frequency detector; Resonance;
fLanguage
English
Publisher
ieee
Conference_Titel
Optical Fiber Communication Conference, 2005. Technical Digest. OFC/NFOEC
Print_ISBN
1-55752-783-0
Type
conf
DOI
10.1109/OFC.2005.192595
Filename
1498254
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