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Proceedings Paper

Simultaneous interrogation of multiple FBG sensors for dynamic measurands
Author(s): Chunzheng Shi; Chi Chiu Chan; Min Zhang; J. Ju; Wei Jin; Yanbiao Liao; Yan Zhang; Y. Zhou
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Paper Abstract

A fiber Bragg grating (FBG) sensor system for multi point, dynamic strain or temperature measurement is reported. The system uses a combination of an unbalanced fiber interferometer and phase locked loops and is capable of measuring dynamic signals with frequencies ranging from 100Hz to10kHz. Strain measurements with parallel FBG sensor arrays demonstrate strain resolution of better than (available in paper).

Paper Details

Date Published: 9 September 2002
PDF: 6 pages
Proc. SPIE 4920, Advanced Sensor Systems and Applications, (9 September 2002); doi: 10.1117/12.481949
Show Author Affiliations
Chunzheng Shi, Hong Kong Polytechnic Univ. (Hong Kong) and Tsinghua Univ. (China) (Hong Kong)
Chi Chiu Chan, Hong Kong Polytechnic Univ. (Hong Kong)
Min Zhang, Hong Kong Polytechnic Univ. (Hong Kong)
J. Ju, Hong Kong Polytechnic Univ. (Hong Kong)
Wei Jin, Hong Kong Polytechnic Univ. (Hong Kong)
Yanbiao Liao, Tsinghua Univ. (China)
Yan Zhang, Hong Kong Polytechnic Univ. (Hong Kong)
Y. Zhou, Hong Kong Polytechnic Univ. (Hong Kong)


Published in SPIE Proceedings Vol. 4920:
Advanced Sensor Systems and Applications
Yun-Jiang Rao; Julian D. C. Jones; Hiroshi Naruse; Robert I. Chen, Editor(s)

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