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Journal of Applied Optics, Volume. 45, Issue 6, 1212(2024)

Stress measurement method and error correction based on polarization camera

Neng JIN1, Zhishan GAO1, Zhenyan GUO1、*, Jie ZHENG1, Xiaoyu CHE1, Qun YUAN1, Dan ZHU1, Lihua LEI2, and Yunxia FU2
Author Affiliations
  • 1School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
  • 2Shanghai Institute of Measurement and Testing Technology, Shanghai 201203, China
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    Figures & Tables(6)
    Schematic diagram of optical path for stress measurement

    Fig. 1. Schematic diagram of optical path for stress measurement

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    Combined schematic diagram of polarization array

    Fig. 2. Combined schematic diagram of polarization array

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    Relative error curve of extinction ratio

    Fig. 3. Relative error curve of extinction ratio

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    Flow chart of error correction

    Fig. 4. Flow chart of error correction

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    Measurement diagrams of sample phase delay before and after error correction

    Fig. 5. Measurement diagrams of sample phase delay before and after error correction

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    • Table 1. Range and average values of phase delay measurement before and after error correction

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      Table 1. Range and average values of phase delay measurement before and after error correction

      校正参数竖直方向/（°）水平方向/（°）
      未校正77.89～78.96（78.41）77.55～78.66（78.07）
      校正1/4波片79.57～80.35（79.89）78.82～79.92（79.42）
      校正消光比85.33～86.35（85.79）84.06～85.86（84.91）
      校正1/4波片 和消光比86.61～87.66（87.06）85.08～87.08（86.03）
      计量院测量值88.6088.60
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    Neng JIN, Zhishan GAO, Zhenyan GUO, Jie ZHENG, Xiaoyu CHE, Qun YUAN, Dan ZHU, Lihua LEI, Yunxia FU. Stress measurement method and error correction based on polarization camera[J]. Journal of Applied Optics, 2024, 45(6): 1212

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    Paper Information

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    Received: Nov. 6, 2023

    Accepted: --

    Published Online: Jan. 14, 2025

    The Author Email: GUO Zhenyan (郭珍艳)

    DOI:10.5768/JAO202445.0603001

    Topics

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