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Acta Optica Sinica, Volume. 41, Issue 3, 0312002(2021)

Prelaunch Calibration and Ground Verification Test of Spaceborne Particulate Observing Scanning Polarimeter

Zhenyang Li1,2,3、**, Zhenhai Liu1,3、*, Peng Zou1,3、*, Shuangshuang Zhu1,2,3, Xuefeng Lei1,2,3, Fei Tao1,3, Rufang Ti1,3, Maoxin Song1,3, and Jin Hong1,2,3、***
Author Affiliations
  • 1Anhui Institute of Optics and Fine Mechanics, Hefei Institute of Physical Science, Chinese Academy of Science, Hefei, Anhui 230031, China
  • 2University of Science and Technology of China, Hefei, Anhui 230026, China
  • 3Key Laboratory of Optical Calibration and Characterization, Chinese Academy of Sciences, Hefei, Anhui 230031, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (15)
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    References (25)
    Cited By (5)
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    Figures & Tables(15)
    Structural of POSP optical system

    Fig. 1. Structural of POSP optical system

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    Schematic of device for polarization measurement accuracy

    Fig. 2. Schematic of device for polarization measurement accuracy

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    Uncertainty of POSP polarization calibration

    Fig. 3. Uncertainty of POSP polarization calibration

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    Test results of POSP polarization accuracy. (a) 22.3°; (b) 28.3°; (c) 45.0°; (d) 59.0°

    Fig. 4. Test results of POSP polarization accuracy. (a) 22.3°; (b) 28.3°; (c) 45.0°; (d) 59.0°

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    Composite uncertainty of radiation calibration of POSP in various bands

    Fig. 5. Composite uncertainty of radiation calibration of POSP in various bands

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    Spectral response curves of POSP at different channels. (a) 443 nm; (b) 490 nm; (c) 670 nm; (d) 865 nm

    Fig. 6. Spectral response curves of POSP at different channels. (a) 443 nm; (b) 490 nm; (c) 670 nm; (d) 865 nm

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    Data comparison results of 0° observation zenith angle. (a) Radiance; (b) degree of polarization; (c) ΔL; (d) ΔP

    Fig. 7. Data comparison results of 0° observation zenith angle. (a) Radiance; (b) degree of polarization; (c) ΔL; (d) ΔP

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    Processing results of degree of polarization in sky. (a) Maximum degree of polarization; (b) minimum degree of polarization; (c) maximum degree of polarization deviation; (d) minimum degree of polarization deviation

    Fig. 8. Processing results of degree of polarization in sky. (a) Maximum degree of polarization; (b) minimum degree of polarization; (c) maximum degree of polarization deviation; (d) minimum degree of polarization deviation

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    Processing results of sky radiance. (a) Minimum radiance; (b) maximum radiance; (c) minimum radiance deviation; (d) maximum radiance deviation

    Fig. 9. Processing results of sky radiance. (a) Minimum radiance; (b) maximum radiance; (c) minimum radiance deviation; (d) maximum radiance deviation

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    Comparison results of polarization degree consistency between POSP and CE318N in different channels. (a) 443 nm; (b) 490 nm; (c) 670 nm; (d) 865 nm

    Fig. 10. Comparison results of polarization degree consistency between POSP and CE318N in different channels. (a) 443 nm; (b) 490 nm; (c) 670 nm; (d) 865 nm

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    Comparison results of radiance consistency between POSP and CE318N in different channels. (a) 443 nm; (b) 490 nm; (c) 670 nm; (d) 865 nm

    Fig. 11. Comparison results of radiance consistency between POSP and CE318N in different channels. (a) 443 nm; (b) 490 nm; (c) 670 nm; (d) 865 nm

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    Linear fitting results before and after spectral matching in 490 nm channel

    Fig. 12. Linear fitting results before and after spectral matching in 490 nm channel

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    • Table 1. Main technical indicators of POSP

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      Table 1. Main technical indicators of POSP

      ProjectParameter value
      Instantaneous field of view /(°)0.52
      Scanning lap time /s0.979
      Scanning rate /(r·min-1)61.27
      Integration time /ms1.42
      Field of view /(°)-50--+50
      Ground resolution /km6.44
      Polarization accuracy<0.005
      Radiation accuracy in VNIR /%<5
      Radiation accuracy in SWIR /%<6

    • Table 2. Spectrum band configuration of CE318N and POSP

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      Table 2. Spectrum band configuration of CE318N and POSP

      CE318NPOSPPrimary function
      Center wavelength /nmBandwidth /nmCenter wavelength /nmBandwidth /nm
      340 P10Ozone measurement
      380 P10380 P20Aerosol storey height
      410 P20Aerosol storey height
      443 P20Ocean color
      440 P10Ocean color
      490 P20Ocean color, cloud
      500 P10Ocean color, cloud
      670 P20Aerosol, ocean color
      675 P10Aerosol, ocean color
      865 P40Aerosol, ocean color
      870 P10Aerosol, ocean color
      93710Total water vapor ofAtmospheric column
      102010cloud
      1380 P40Cirrus recognition
      1610 P60Dust aerosol, groundatmosphere decoupling
      1640 P10Dust aerosol
      2250 P80Ground atmosphere decoupling

    • Table 3. Spectral matching results of POSP at different channels

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      Table 3. Spectral matching results of POSP at different channels

      POSP channel /nmk
      4431.0435
      4901.0554
      6701.0166
      8651.0286
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    Zhenyang Li, Zhenhai Liu, Peng Zou, Shuangshuang Zhu, Xuefeng Lei, Fei Tao, Rufang Ti, Maoxin Song, Jin Hong. Prelaunch Calibration and Ground Verification Test of Spaceborne Particulate Observing Scanning Polarimeter[J]. Acta Optica Sinica, 2021, 41(3): 0312002

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    Paper Information

    Category: Instrumentation, Measurement and Metrology

    Received: Jun. 12, 2020

    Accepted: Sep. 8, 2020

    Published Online: Feb. 28, 2021

    The Author Email: Li Zhenyang (lizheny@mail.ustc.edu.cn), Liu Zhenhai (lzhenhai@aiofm.ac.cn), Zou Peng (lzhenhai@aiofm.ac.cn), Hong Jin (honngjin@aiofm.ac.cn)

    DOI:10.3788/AOS202141.0312002

    Topics

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