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Proceedings Paper

Research on fiber grating sensing to fiber loop ringdown
Author(s): Weihua Zhang; Bo Liu; Jianhua Luo; Xiaoyi Dong
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Paper Abstract

A fiber loop consists of two couplers and a single mode fiber and the measured pressure is converted into ringdown time of light traveling in the fiber loop by the sensor element of FBG. When pressure is changed, the pressure will be directly proportional to the ringdown time which is identical to that of theory. This kind of system of measuring press based on the theory has advantages of simple composition and convenient measure and it provides a novel method of fiber gratting demodulation technology and has practical value. Apart from measuring press, it can measure temperature and other parameters.

Paper Details

Date Published: 27 November 2007
PDF: 4 pages
Proc. SPIE 6723, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 67232B (27 November 2007); doi: 10.1117/12.783296
Show Author Affiliations
Weihua Zhang, Nankai Univ. (China)
Tianjin Univ. of Technology (China)
Bo Liu, Nankai Univ. (China)
Jianhua Luo, Nankai Univ. (China)
Xiaoyi Dong, Nankai Univ. (China)


Published in SPIE Proceedings Vol. 6723:
3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment
Junhua Pan; James C. Wyant; Hexin Wang, Editor(s)

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