Interrogation of fiber Bragg grating sensors with a fiber grating filter tuned by a cantilever beam

Yunqi Liu; Zhiguo Liu; Ka On Lee; K. S. Chiang; Xiaoyi Dong

doi:10.1117/12.429575

13 June 2001 Interrogation of fiber Bragg grating sensors with a fiber grating filter tuned by a cantilever beam

Yunqi Liu, Zhiguo Liu, Ka On Lee, K. S. Chiang, Xiaoyi Dong

Proceedings Volume 4317, Second International Conference on Experimental Mechanics; (2001) https://doi.org/10.1117/12.429575
Event: Second International Conference on Experimental Mechanics, 2000, Singapore, Singapore

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.

Citation Download Citation

Yunqi Liu, Zhiguo Liu, Ka On Lee, K. S. Chiang, and Xiaoyi Dong "Interrogation of fiber Bragg grating sensors with a fiber grating filter tuned by a cantilever beam", Proc. SPIE 4317, Second International Conference on Experimental Mechanics, (13 June 2001); https://doi.org/10.1117/12.429575

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