Title :
Interrogation of multiplexed fiber grating sensors using frequency-shifted interferometer
Author :
Liu, Yu ; Qian, Li ; Qi, Bing ; Lo, Hoi-Kwong ; Gu, Xijia
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Toronto, Toronto, ON
Abstract :
We report a novel frequency-shifted interferometer for interrogating multiplexed fiber grating sensors. This cw technique is capable of distinguishing gratings even when their reflection spectra overlap, suitable for very large sensor arrays.
Keywords :
fibre optic sensors; light interferometry; frequency shifted interferometer; interrogation; multiplexed fiber grating sensors; reflection spectra overlap; very large sensor arrays; Capacitive sensors; Dynamic range; Fiber gratings; Frequency; Laser tuning; Optical fiber sensors; Optical interferometry; Optical reflection; Sagnac interferometers; Sensor arrays; (060.2300) Fiber measurements; (060.2370) Fiber optics sensors;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4628553
