Acta Photonica Sinica, Volume. 51, Issue 6, 0622001(2022)

Manufacturing of Infrared Polarization Imaging Optical System Based on Micro-scanning

Chen TIAN1...2, Peng CHEN1,2, Xiaojie ZHANG3, Huabao LONG3, Mingyang HOU4, and Zhengxiang SHEN12,* |Show fewer author(s)
Author Affiliations
  • 1Key Laboratory of Advanced Micro-Structure Materials,Ministry of Education,Tongji University,Shanghai 200092,China
  • 2Institute of Precision Optical Engineering,School of Physics Science and Engineering,Tongji University,Shanghai 200092,China
  • 3Shanghai Aerospace Control Technology Institute,Shanghai 201109,China
  • 4Beijing Institute of Space Mechanics & Electricity,Beijing 100190,China
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    Figures & Tables(19)
    Schematic diagram of micro-scanning technology imaging
    Optical path of the system
    MTF of the system
    Spot diagram of the system
    Result of Monte Carlo simulation
    MTF of the system at different micro-scanning positions
    MTF changes with the decenter of the micro-scanning lens in the X and Y directions
    MTF changes with the tilt of the micro-scanning lens in the X and Y directions
    Spot diagrams of the system at different micro-scanning positions
    The relationship curve between lens displacement and focus displacement
    3D cross-sectional view of the imaging system
    Physical image of the imaging system
    Original image
    The images of each polarization direction and infrared intensity
    Image of degree of polarization
    • Table 1. Parameters of optical system

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      Table 1. Parameters of optical system

      ParameterValue
      Wavelength3~5 μm
      Fieldϕ4°(3.13°×2.51°)
      F/#2±0.1
      Apertureϕ40 mm
    • Table 2. Lens data of optical system design

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      Table 2. Lens data of optical system design

      NameRadius/mmConicThickness/mmGlass
      1Cowl

      62

      59

      -

      -

      2.5MgF2
      2M1-81.698-1.056-Mirror
      3M2--Mirror
      4Lens1

      -5.034

      98.703

      1.872

      -

      2.5Ge
      5Lens2

      -11.19

      -6.373

      4.899

      -

      2Ge
      6Lens3

      -43.311

      -22.853

      -2.865

      -

      3Silicon
      7Lens4

      38.482

      175.268

      -

      -

      3Silicon
      8Window-1Ge
      9Filter-0.3Ge
      10Diaphragm---
      11Image surface---
    • Table 3. Tolerance limits

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      Table 3. Tolerance limits

      ParameterValue
      Radius/fringe1
      Thickness/μm13
      Decenter/μm13
      Tilt/(′)0.9
    • Table 4. Contrast analysis results of images

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      Table 4. Contrast analysis results of images

      ImageOriginal image0° image45° image90° imageIntensity imageDegree of polarization image
      Contrast11.3680.92100.9977.07108.73115.83
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    Chen TIAN, Peng CHEN, Xiaojie ZHANG, Huabao LONG, Mingyang HOU, Zhengxiang SHEN. Manufacturing of Infrared Polarization Imaging Optical System Based on Micro-scanning[J]. Acta Photonica Sinica, 2022, 51(6): 0622001

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    Paper Information

    Category: Optical Design and Fabrication

    Received: Dec. 25, 2021

    Accepted: Feb. 7, 2022

    Published Online: Sep. 23, 2022

    The Author Email: SHEN Zhengxiang (shenzx@tongji.edu.cn)

    DOI:10.3788/gzxb20225106.0622001

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