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Proceedings Paper

Interrogation of fiber Bragg grating sensors with a fiber grating filter tuned by a cantilever beam
Author(s): Yunqi Liu; Zhiguo Liu; Ka On Lee; K. S. Chiang; Xiaoyi Dong
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Paper Abstract

We demonstrate a high-sensitivity, relatively simple and inexpensive technique for interrogation of fiber-Bragg- grating sensors, where the signals from the sensor are resolved with a fiber-Bragg-grating filter tuned by a cantilever beam. We achieve a wavelength resolution of 0.002nm, which corresponds to a strain resolution of 1.7(mu) (epsilon) or a temperature resolution of 0.03 degrees C.

Paper Details

Date Published: 13 June 2001
PDF: 6 pages
Proc. SPIE 4317, Second International Conference on Experimental Mechanics, (13 June 2001); doi: 10.1117/12.429575
Show Author Affiliations
Yunqi Liu, Nankai Univ. (Singapore)
Zhiguo Liu, Nankai Univ. (China)
Ka On Lee, City Univ. of Hong Kong (Hong Kong)
K. S. Chiang, City Univ. of Hong Kong (Hong Kong)
Xiaoyi Dong, Nankai Univ. (China)


Published in SPIE Proceedings Vol. 4317:
Second International Conference on Experimental Mechanics

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