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Proceedings Paper

Distributed fiber optical strain sensor based on BOFDR
Author(s): Zhaoxia Wu; Fei Wu; Liyong Niu; Zhiquan Li
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Paper Abstract

Frequency shift in Brillouion back-scattering light can be changed when strain is exerted to an optical fiber. Brillouin scattering can be used to measure strain in distributed manner. A new fully distributed fiber optical strain sensing is proposed based on Brilliouin optical-fiber frequency domain reflectometry (BOFDR). A new measurement is reported by utilizing fiber Bragg grating Fabry-Perot interferometer (FBGFPI) to directly separate the Brilliouin signal. The experimental setup and result are presented. Primary result confirms this configuration feasible.

Paper Details

Date Published: 19 May 2006
PDF: 6 pages
Proc. SPIE 6150, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 61501W (19 May 2006); doi: 10.1117/12.676398
Show Author Affiliations
Zhaoxia Wu, Yanshan Univ. (China)
Northeast Univ. at Qinhuangdao (China)
Fei Wu, Yanshan Univ. (China)
Liyong Niu, Yanshan Univ. (China)
Zhiquan Li, Yanshan Univ. (China)


Published in SPIE Proceedings Vol. 6150:
2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment

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