Title :
Quasi-static fiber strain sensing with FM spectroscopy
Author :
Chow, Jong H. ; Littler, Ian C M ; McClelland, David E. ; Gray, Malcolm B.
Author_Institution :
Dept. of Phys., Australian Nat. Univ., Canberra, ACT
Abstract :
We present a highly sensitive detection system for quasi-static strain, employing FM spectroscopy with a gas cell as absolute frequency reference, demonstrating a few tens of pepsiv/radicHz sensitivity between 1-6 Hz.
Keywords :
fibre optic sensors; frequency modulation; optical modulation; spectroscopy; strain measurement; strain sensors; FM spectroscopy; absolute frequency reference; frequency 1 Hz to 6 Hz; frequency modulation spectroscopy; gas cell; quasistatic fiber strain sensing system; Capacitive sensors; Frequency; Gas lasers; Laser noise; Optical fiber sensors; Optical interferometry; Optical modulation; Optical sensors; Spectroscopy; Strain measurement; (060.2370) Fiber optics sensors; (280.0280) Sensing and sensors; (300.6380) Modulation spectroscopy;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
