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  • Title: Simultaneous measurement of temperature and strain by combining a fiber Bragg grating and the pigtail fiber covered with epoxy resin.
    Author: Wu X, Xue H, Meng H, Shen W, Wang W, Tan C, Huang X.
    Journal: Rev Sci Instrum; 2011 Jun; 82(6):064904. PubMed ID: 21721721.
    Abstract:
    A fiber sensor for simultaneous measurement of temperature and strain based on a fiber Bragg grating (FBG) with the pigtail fiber covered with epoxy resin is presented. The side mode suppression ratio of the FBG will vary with the temperature due to the Fresnel reflection from the interface between the pigtail fiber and the epoxy resin whose refractive index is sensitive to the temperature. The sensor is also capable of simultaneous measurement temperature and strain by combining the Bragg wavelength shift characteristics as the temperature and strain of the FBG.
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