Acta Optica Sinica, Volume. 45, Issue 5, 0504001(2025)

Crosstalk of Division of Focal Plane Polarization Detectors

Anran Nie1,2,3、*, Zhenwei Qiu1,3、**, Xiaobing Sun1,3, Binghuan Meng1,3, and Jin Hong1,3
Author Affiliations
  • 1Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, Anhui , China
  • 2University of Science and Technology of China, Hefei 230026, Anhui , China
  • 3Key Laboratory of Optical Calibration and Characterization, Chinese Academy of Sciences, Hefei 230031, Anhui , China
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    Figures & Tables(14)
    Schematic diagram of optical and electrical crosstalk
    Schematic diagrams of pixel models. (a) FDTD model; (b) CHARGE model
    Field intensity distribution of FSI DoFP polarization pixels
    Integrated solution of MPA and image sensor. (a) Traditional solution; (b) our solution
    Schematic diagram of MPA and polarization transmittance curves. (a) Schematic diagram of MPA; (b) polarization transmittance curves
    SEM images of MPA[17]. (a) All grating area image; (b) 0° grating area image; (c) 60° grating area image
    Polarization test systems. (a) Traditional polarization test system; (b) linear polarization test system with a line type light source
    Polarization transmittance curves at different wavelengths. (a) White light (350‒1000 nm); (b) 490 nm; (c) 670 nm; (d) 865 nm
    Principle of crosstalk measurement and corresponding row coordinates and measurement curves. (a) Crosstalk measurement principle and corresponding row coordinates; (b) crosstalk measurement curves
    SEM image of detector cross-section and elemental analysis results[17]. (a) SEM image of cross-section of detector; (b) XRF image of Si Kα1; (c) XRF image of O Kα1; (d) XRF image of Al Kα1
    Schematic diagrams of isolation channel models. (a) Optoelectronic isolation channel; (b) optical isolation channel
    Field intensity distributions of DoFP polarization detectors with different isolation channels. (a) Optoelectronic isolation channel; (b) optical isolation channel
    • Table 1. Geometry parameters of FDTD and CHARGE models

      View table

      Table 1. Geometry parameters of FDTD and CHARGE models

      ModelParameterValue
      FDTDPS5.5
      h15
      h22
      h31
      CHARGELPPD3.6
      LMTX0.7
      LFD0.1
    • Table 2. Calculation results of average crosstalk

      View table

      Table 2. Calculation results of average crosstalk

      Row of pixelsCrosstalk /%
      9860.52
      9871.80
      98816.80
      99119.26
      9921.61
      9930.56
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    Anran Nie, Zhenwei Qiu, Xiaobing Sun, Binghuan Meng, Jin Hong. Crosstalk of Division of Focal Plane Polarization Detectors[J]. Acta Optica Sinica, 2025, 45(5): 0504001

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    Paper Information

    Category: Detectors

    Received: Nov. 26, 2024

    Accepted: Dec. 31, 2024

    Published Online: Mar. 21, 2025

    The Author Email: Anran Nie (nieanran@mail.ustc.edu.cn), Zhenwei Qiu (zwqiu@aiofm.ac.cn)

    DOI:10.3788/AOS241792

    CSTR:32393.14.AOS241792

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