Piezoelectrics & Acoustooptics, Volume. 42, Issue 6, 787(2020)

Research on Low Temperature Sensing Characteristics of Fiber Bragg Grating

LI Bowen... LIU Yinggang*, SONG Xiaoya, FU Haiwei, JIA Zhen’an and GAO Hong |Show fewer author(s)
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    In order to solve the application problem of fiber grating in low temperature environment, based on the sensing theory of fiber Bragg grating(FBG), through in-depth analysis of the changes of the thermo-optical coefficient and thermal expansion coefficient of FBG at the range of -60~25 ℃, and two unsealed FBGs is used for experimental verification, the response of FBG in low temperature environment is obtained in this paper. The results show that FBG has good response and repeatability in low temperature environment, which has important guiding significance for the application of FBG in low temperature environment.

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    LI Bowen, LIU Yinggang, SONG Xiaoya, FU Haiwei, JIA Zhen’an, GAO Hong. Research on Low Temperature Sensing Characteristics of Fiber Bragg Grating[J]. Piezoelectrics & Acoustooptics, 2020, 42(6): 787

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    Paper Information

    Received: Jul. 31, 2020

    Accepted: --

    Published Online: Apr. 21, 2022

    The Author Email: Yinggang LIU (ygliu@xsyu.edu.cn)

    DOI:10.11977/j.issn.1004-2474.2020.06.013

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