Acta Photonica Sinica, Volume. 49, Issue 8, 0806005(2020)

Two-way Coupled Analysis of Strain Transfer of Fiber Bragg Grating Sensor

Ru-jun WU1... Xiao-feng ZHANG1, Bai-lin ZHENG2 and Tian CHEN1 |Show fewer author(s)
Author Affiliations
  • 1School of Mechanical Engineering, Shanghai Dianji University, Shanghai 201318, China
  • 2School of Aerospace Engineering and Applied Mechanics, Tongji University, Shanghai 200092, China
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    Figures & Tables(11)
    Modal of the FBG sensor
    Finite element models of FBG sensor
    Comparison of the strain transfer rate
    Comparison of experimental date, theoretical solttion1 and theoretical solttion2
    Diagrams of curves of strain transfer rate
    Diagrams of curves of average strain transfer rate
    Diagrams of curves of average strain transfer rate by coating removed FBG sensor
    Diagrams of curves of shear stress
    Effect of the adhesive on average strain transfer rate
    • Table 1. Material properties

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      Table 1. Material properties

      Optical fiberCoatingAdhesive
      Young's modulus/MPa72 0002.554 000
      Thickness/mm0.062 50.040.3
      Poisson's ratio0.170.480.3
    • Table 2. Comparison of the average strain transfer rate

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      Table 2. Comparison of the average strain transfer rate

      Bonding length/mmExperimental dataTheoretical solution 1Error 1Theoretical solution 2Error 2
      40(bare)99.40%97.03%2.38%98.73%0.67%
      50(bare)100.24%97.61%2.63%99.32%0.92%
      23(coated)87.71%79.36%10.52%80.55%7.16%
      33(coated)93.60%85.30%8.61%86.58%7.02%
      44(coated)94.67%88.81%5.83%90.14%4.53%
      54(coated)98.31%90.94%7.37%92.30%6.01%
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    Ru-jun WU, Xiao-feng ZHANG, Bai-lin ZHENG, Tian CHEN. Two-way Coupled Analysis of Strain Transfer of Fiber Bragg Grating Sensor[J]. Acta Photonica Sinica, 2020, 49(8): 0806005

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Mar. 18, 2020

    Accepted: Jun. 5, 2020

    Published Online: Nov. 27, 2020

    The Author Email:

    DOI:10.3788/gzxb20204908.0806005

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