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Proceedings Paper

Compact fiber bending sensor based on superimposed gratings
Author(s): Yang Liu; Xinyong Dong; Li-Yang Shao; Juan Kang; Chun-Liu Zhao; C. C. Chan
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Paper Abstract

This work has presented a compact fiber bending sensor by superimposing a uniform fiber Bragg grating (FBG) in a tilted fiber Bragg grating (TFBG). The band of light reflected by the FBG passes through the TFBG twice and is modulated by its transmission, which is sensitive to fiber bending. The applied bending on the sensor can be determined by monitoring the power changes of Bragg resonance of FBG. Experimental results show the proposed sensor is insensitive to ambient temperature changes.

Paper Details

Date Published: 18 May 2011
PDF: 4 pages
Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 775399 (18 May 2011); doi: 10.1117/12.884762
Show Author Affiliations
Yang Liu, China Jiliang Univ. (China)
Xinyong Dong, China Jiliang Univ. (China)
Li-Yang Shao, China Jiliang Univ. (China)
Juan Kang, China Jiliang Univ. (China)
Chun-Liu Zhao, China Jiliang Univ. (China)
C. C. Chan, Nanyang Technological Univ. (Singapore)

Published in SPIE Proceedings Vol. 7753:
21st International Conference on Optical Fiber Sensors
Jacques Albert; Wojtek J. Bock, Editor(s)

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