Research on fiber grating sensing to fiber loop ringdown

Weihua Zhang; Bo Liu; Jianhua Luo; Xiaoyi Dong

doi:10.1117/12.783296

27 November 2007 Research on fiber grating sensing to fiber loop ringdown

Weihua Zhang, Bo Liu, Jianhua Luo, Xiaoyi Dong

Proceedings Volume 6723, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 67232B (2007) https://doi.org/10.1117/12.783296
Event: 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 2007, Chengdu, China

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.

Citation Download Citation

Weihua Zhang, Bo Liu, Jianhua Luo, and Xiaoyi Dong "Research on fiber grating sensing to fiber loop ringdown", Proc. SPIE 6723, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 67232B (27 November 2007); https://doi.org/10.1117/12.783296

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