Enhanced pressure and temperature sensitivity of a fiber Bragg grating with polymer packaging

Yunqi Liu; Zhuanyun Guo; Xiaoyi Dong; Zhiguo Liu; Donghui Zhao; Chunfeng Ge

doi:10.1117/12.347818

7 May 1999 Enhanced pressure and temperature sensitivity of a fiber Bragg grating with polymer packaging

Yunqi Liu, Zhuanyun Guo, Xiaoyi Dong, Zhiguo Liu, Donghui Zhao, Chunfeng Ge

Proceedings Volume 3740, Optical Engineering for Sensing and Nanotechnology (ICOSN '99); (1999) https://doi.org/10.1117/12.347818
Event: Optical Engineering for Sensing and Nanotechnology (ICOSN '99), 1999, Yokohama, Japan

Abstract

We demonstrate the higher pressure and temperature sensitivity of a fiber Bragg grating (FBG) sensor when it is packaged with a polymer jacket. The Bragg wavelength shift due to pressure and temperature can be enhanced by the polymer packaged by about 31.5 times for pressure and 7.7 times for temperature. The experiment results are consistent with the theoretical analysis. The sensitivity enhancement is due to the driving effect of the polymer substance. The 'structured' grating exhibits no significant chirp.

Citation Download Citation

Yunqi Liu, Zhuanyun Guo, Xiaoyi Dong, Zhiguo Liu, Donghui Zhao, and Chunfeng Ge "Enhanced pressure and temperature sensitivity of a fiber Bragg grating with polymer packaging", Proc. SPIE 3740, Optical Engineering for Sensing and Nanotechnology (ICOSN '99), (7 May 1999); https://doi.org/10.1117/12.347818

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