Acta Optica Sinica, Volume. 44, Issue 14, 1404001(2024)

Error Analysis of Calibration Experiment of Infrared Division-of-Focal-Plane Polarimeters

Xuancheng Peng1, Yuxiang Su1, Tie Hu1, Shichuan Wang1, Yuanlong Peng2, Jinkun Zheng3, Zhenyu Yang1, and Ming Zhao1、*
Author Affiliations
  • 1School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, Hubei , China
  • 2State Grid Information & Telecommunication Branch, Beijing 100761, China
  • 3State Grid Jiangxi Electric Power Co., Ltd., Nanchang 330096, Jiangxi , China
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    Figures & Tables(15)
    Arrangement of the micro-polarizer array
    Schematic of NUC experiment setup
    Flow chart of NUC experiment
    Intensity images of different calibration light sources. (a) Non-uniform light source (laser light source with ring stripes); (b) uniform light source (blackbody)
    Images of DoLP and AoP of partial LPS calibrated by non-uniform light source. (a)(e) 0° LPS; (b)(f) 45° LPS; (c)(g) 90° LPS; (d)(h) 135° LPS
    Images of DoLP and AoP of partial LPS calibrated by uniform light source. (a)(e) 0° LPS; (b)(f) 45° LPS; (c)(g) 90° LPS; (d)(h) 135° LPS
    Polarization images of real scene calibrated by non-uniform light source. (a) Image of DoLP; (b) image of AoP
    Polarization relative error box plots of partial LPS after calibration with blackbody light source at different temperatures. (a) 0° LPS; (b) 45° LPS; (c) 90° LPS; (d) 135° LPS
    Mean polarization relative error as a function of number of super-pixels after calibration with blackbody at different temperatures
    Response curves of polarimeter pixels in different polarization directions before and after calibration. (a) Before calibration; (b) after calibration
    Near-field imaging calibration results. Images of (a) DoLP and (b) AoP before calibration; images of (c) DoLP and (d) AoP after calibration
    Far-field imaging calibration results. Images of (a) DoLP and (b) AoP before calibration; images of (c) DoLP and (d) AoP after calibration
    • Table 1. DNU of images calibrated by different light sources

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      Table 1. DNU of images calibrated by different light sources

      LPSImage of DoLPImage of AoP
      Non-uniform light sourceUniform light sourceNon-uniform light sourceUniform light source
      0.09040.02461.25110.6095
      45°0.06070.02200.03180.0130
      90°0.09610.02100.02070.0066
      135°0.07430.02060.01310.0039
    • Table 2. Evaluation indices of near-field image quality

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      Table 2. Evaluation indices of near-field image quality

      ConditionSDIEAG
      DoLPAoPDoLPAoPDoLPAoP
      Before calibration24.810546.32563.12384.55173.051516.6288
      After calibration60.683363.73203.79537.84116.933231.6898
    • Table 3. Evaluation indices of far-field image quality

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      Table 3. Evaluation indices of far-field image quality

      ConditionSDIEAG
      DoLPAoPDoLPAoPDoLPAoP
      Before calibration20.38893.66706.11073.261210.06571.3306
      After calibration76.349133.10607.97096.260844.476311.2585
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    Xuancheng Peng, Yuxiang Su, Tie Hu, Shichuan Wang, Yuanlong Peng, Jinkun Zheng, Zhenyu Yang, Ming Zhao. Error Analysis of Calibration Experiment of Infrared Division-of-Focal-Plane Polarimeters[J]. Acta Optica Sinica, 2024, 44(14): 1404001

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    Paper Information

    Category: Detectors

    Received: Mar. 6, 2024

    Accepted: Apr. 16, 2024

    Published Online: Jul. 19, 2024

    The Author Email: Zhao Ming (zhaoming@hust.edu.cn)

    DOI:10.3788/AOS240697

    CSTR:32393.14.AOS240697

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