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Acta Optica Sinica, Volume. 44, Issue 11, 1108001(2024)

Projection Distortion Effects Caused by Tip-Tilt of Fast Steering Mirror in Space Telescopes

Long Li1,2, Wei Wang1,2、*, Zhirui Cao1,2, Qingyu Meng1,2, and Chenghao Li1
Author Affiliations
  • 1Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, Jilin, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
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    References (20)
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    Figures & Tables(9)
    Imaging optical path and coordinate system

    Fig. 1. Imaging optical path and coordinate system

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    Changes of FSM coordinate system before and after FSM swing

    Fig. 2. Changes of FSM coordinate system before and after FSM swing

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    Image point position diagram before and after FSM swing

    Fig. 3. Image point position diagram before and after FSM swing

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    Projection distortion values for different FOVs

    Fig. 4. Projection distortion values for different FOVs

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    Projection distortion values for different rotation angles

    Fig. 5. Projection distortion values for different rotation angles

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    Projection distortion values for different distances from FSM to FOV's center of focal plane

    Fig. 6. Projection distortion values for different distances from FSM to FOV's center of focal plane

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    Projection distortion values of FSM under different pitches and azimuth angles

    Fig. 7. Projection distortion values of FSM under different pitches and azimuth angles

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    Projection distortion values of incidence angles of main ray incident on focal plane in different central FOVs

    Fig. 8. Projection distortion values of incidence angles of main ray incident on focal plane in different central FOVs

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    • Table 1. Image motion simulation and model calculation results under different rotation angles

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      Table 1. Image motion simulation and model calculation results under different rotation angles

      Field of view（FOV）：1.5°×1.2°Rotate 10″ around x'‑axisRotate 10″ around y'‑axis
      x/（°）y/（°）Δx of CODE V /μmΔy of CODE V /μmΔx ofmodel /μmΔy ofmodel /μmΔx of CODE V /μmΔy of CODE V /μmΔx ofmodel /μmΔy ofmodel /μm
      00-0.64373.82-0.64373.83-377.181.10-377.181.11
      -0.7501.42379.241.42379.24-380.030.03-380.030.03
      0.750.603.97366.723.97366.72-378.96-0.11-378.97-0.11
      00.603.69372.113.69372.11-378.241.12-378.241.12
      FOV：1.5°×1.2°Rotate 10″ around x'‑axis and y'‑axisRotate 20″ around x'‑axis and y'‑axis
      x/（°）y/（°）Δx of CODE V /μmΔy of CODE V /μmΔx ofmodel /μmΔy ofmodel /μmΔx of CODE V /μmΔy of CODE V /μmΔx ofmodel /μmΔy ofmodel /μm
      00-377.82374.92-377.82374.93-755.65749.85-755.65749.85
      -0.750-378.62379.26-378.61379.27-757.24758.52-757.23758.53
      0.750.60-374.99366.61-375.00366.61-750.00733.21-750.00733.21
      00.60-372.43373.21-372.42373.21-744.86746.41-744.86746.41
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    Long Li, Wei Wang, Zhirui Cao, Qingyu Meng, Chenghao Li. Projection Distortion Effects Caused by Tip-Tilt of Fast Steering Mirror in Space Telescopes[J]. Acta Optica Sinica, 2024, 44(11): 1108001

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    Paper Information

    Category: Geometric Optics

    Received: Dec. 29, 2023

    Accepted: Mar. 7, 2024

    Published Online: Jun. 12, 2024

    The Author Email: Wang Wei (wangwei123@ciomp.ac.cn)

    DOI:10.3788/AOS231840

    Topics

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