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Laser & Optoelectronics Progress, Volume. 60, Issue 11, 1106033(2023)

Roof Separation Sensor Based on Fiber Bragg Grating

Zegong Wu1, Lu Cao2, Yanong Ning2, Qingshan Yang2, and Tongyu Liu1,2、*
Author Affiliations
  • 1Laser Institute, Shandong Academy of Sciences, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250104, Shandong, China
  • 2Shandong Micro-Sensor Photonics Ltd., Jinan 250103, Shandong, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (8)
    Equations (7)
    References (14)
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    Figures & Tables(8)
    Simplified diagram of the internal objects for roof separation sensor

    Fig. 1. Simplified diagram of the internal objects for roof separation sensor

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    Interior physical drawings for roof separation sensor

    Fig. 2. Interior physical drawings for roof separation sensor

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    Schematic diagram of the experimental setup

    Fig. 3. Schematic diagram of the experimental setup

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    Temperature and wavelength diagram

    Fig. 4. Temperature and wavelength diagram

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    Wavelength and standard displacement diagram

    Fig. 5. Wavelength and standard displacement diagram

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    • Table 1. Error analysis at 40 ℃

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      Table 1. Error analysis at 40 ℃

      Standard /mmTemperature FBG /nmStrain FBG /nmDemodulation /mmError /mm
      0.001567.0221549.4770.0000.000
      30.001567.0211549.57830.4760.476
      60.001567.0221549.67859.299-0.701
      90.001567.0221549.78189.686-0.314
      120.001567.0221549.883119.778-0.222
      150.001567.0211549.985150.5490.549
      180.001567.0221550.087179.962-0.038
      210.001567.0221550.189210.0540.054
      240.001567.0221550.291240.1460.146
      270.001567.0221550.393270.2380.238
      300.001567.0221550.495300.3300.330

    • Table 2. Error analysis at 27 ℃

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      Table 2. Error analysis at 27 ℃

      Standard /mmTemperature FBG /nmStrain FBG /nmDemodulation /mmError /mm
      0.001566.8901549.3330.0000.000
      30.001566.8901549.44031.5671.567
      60.001566.8911549.54060.3820.382
      90.001566.8911549.63788.999-1.001
      120.001566.8911549.745125.8760.876
      150.001566.8911549.847155.9680.968
      180.001566.8911549.949181.0451.045
      210.001566.8911550.051211.1371.137
      240.001566.8911550.153241.2291.229
      270.001566.8911550.255271.3211.321
      300.001566.8891550.342298.363-1.637

    • Table 3. Error analysis at 0 ℃

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      Table 3. Error analysis at 0 ℃

      Standard /mmTemperature FBG /nmStrain FBG /nmDemodulation /mmError /mm
      0.001566.6161548.9490.0000.000
      30.001566.6161549.04929.5020.498
      60.001566.6151549.14658.7971.203
      90.001566.6161549.25289.3910.609
      120.001566.6161549.353119.1880.812
      150.001566.6161549.458150.165-0.165
      180.001566.6161549.558179.6670.333
      210.001566.6161549.660209.7590.241
      240.001566.6161549.761239.5560.444
      270.001566.6161549.868271.123-1.123
      300.001566.6161549.969300.920-0.920
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    Zegong Wu, Lu Cao, Yanong Ning, Qingshan Yang, Tongyu Liu. Roof Separation Sensor Based on Fiber Bragg Grating[J]. Laser & Optoelectronics Progress, 2023, 60(11): 1106033

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Oct. 8, 2022

    Accepted: Nov. 22, 2022

    Published Online: Jun. 7, 2023

    The Author Email: Tongyu Liu (tongyu.liu@vip.iss-ms.com)

    DOI:10.3788/LOP222686

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology