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Acta Optica Sinica, Volume. 37, Issue 11, 1112003(2017)

Research on Correction Method of Stray Light in Directional Polarization Camera

Miaomiao Zhang1,2,3, Binghuan Meng1,3、*, Honghu Qian1,2,3, Lin Han3, Huaijun Chen3, Yi Wang1,3, and Jin Hong1,3
Author Affiliations
  • 1 Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, Anhui 230031, China
  • 2 University of Science and Technology of China, Hefei, Anhui 230026, China
  • 3 Key laboratory of Optical Calibration and Characterization, Chinese Academy of Sciences, Hefei, Anhui 230031, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
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    References (21)
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    Figures & Tables(9)
    Structure of optical system

    Fig. 1. Structure of optical system

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    Schematic of local stray light origin

    Fig. 2. Schematic of local stray light origin

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    Local stray light simulation results. (a) Illuminance diagram; (b) logarithmic diagram

    Fig. 3. Local stray light simulation results. (a) Illuminance diagram; (b) logarithmic diagram

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    Global stray lights performance of directional polarization camera. (a) Center field of view; (b) 15° field of view

    Fig. 4. Global stray lights performance of directional polarization camera. (a) Center field of view; (b) 15° field of view

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    Partition diagram of CCD

    Fig. 5. Partition diagram of CCD

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    Stray light coefficient matrix measurement system of directional polarization camera

    Fig. 6. Stray light coefficient matrix measurement system of directional polarization camera

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    Measurement result of stray light coefficient matrix in a certain region

    Fig. 7. Measurement result of stray light coefficient matrix in a certain region

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    Effect of stray light correction of directional polarization camera. (a) Before correction; (b) after correction

    Fig. 8. Effect of stray light correction of directional polarization camera. (a) Before correction; (b) after correction

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    • Table 1. Correction results of stray light

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      Table 1. Correction results of stray light

      NumberAverage value before correctionAverage value after correctionStray light attenuation percentage /%
      1301.794.33
      2160.1898.88
      39.20.990.22
      411.60.7293.79
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    Miaomiao Zhang, Binghuan Meng, Honghu Qian, Lin Han, Huaijun Chen, Yi Wang, Jin Hong. Research on Correction Method of Stray Light in Directional Polarization Camera[J]. Acta Optica Sinica, 2017, 37(11): 1112003

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    Paper Information

    Category: Instrumentation, Measurement and Metrology

    Received: May. 18, 2017

    Accepted: --

    Published Online: Sep. 7, 2018

    The Author Email: Meng Binghuan (bhmeng@aiofm.ac.cn)

    DOI:10.3788/AOS201737.1112003

    Topics

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