Acta Photonica Sinica, Volume. 52, Issue 11, 1122002(2023)

Design and Verification of Automatic Alignment System for Batch Space Refractive Lenses

Yang HUANG*... Chao ZHANG, Zhuwei ZHANG, Shengjie ZHANG and Chengguang CUI |Show fewer author(s)
Author Affiliations
  • Beijing Institute of Space Mechanics & Electricity,Beijing 100094,China
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    Figures & Tables(19)
    Five-dimensional adjustment schematic of lens
    Schematic of lens mis-adjustment values
    Optical structure of batch lenses
    Adjustment device structure model
    Stress analysis of lenses adhesive spots under gravity
    Vibration modes of mechanism under restraint
    Integrated platform model for lenses adjustment and measurement
    Interface of automatic alignment software for refractive lenses
    Automatic alignment process for refractive lenses
    Installation of adjustment device
    Convergence of lens 4 centering error during automatic adjustment
    Measurement results of lenses image quality after automatic adjustment
    Measurement results of lenses image quality after automatic correction of wave aberrations
    Lens in barrel by bonding without frame support
    MTF measurement results of 20 space refractive lenses
    • Table 1. Partial parameters and tolerances of optical systems

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      Table 1. Partial parameters and tolerances of optical systems

      ElementMaterialAperture/mmThickness/mmDistance/mmTilt/(″)Decenter/μm
      Lens 1Ge164.0821.62±0.0314.96±0.023010
      Lens 2Si147.5622.21±0.0240.30±0.012010
      Lens 3Ge124.2816.16±0.015.24±0.01305
      Lens 4Si107.4815.98±0.011.93±0.02205
      Lens 5Ge87.9218.62±0.01205
    • Table 2. Main parameters of two-dimensional stepping motor

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      Table 2. Main parameters of two-dimensional stepping motor

      Travel rangeMaximum loadPosition accuracyRepetition accuracyMaximum speed
      4 mm40 N1 μm0.2 μm0.5 mm/s
    • Table 3. Adjustment results of lenses mis-adjustment values

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      Table 3. Adjustment results of lenses mis-adjustment values

      ElementDistance deviation/μmTilt/(″)Decenter/μm
      Lens 1-3.37.23.8
      Lens 22.45.43.0
      Lens 3-1.86.52.1
      Lens 42.76.82.5
      Lens 5Reference2.91.0
    • Table 4. Calculation results of degrees of freedom adjustments for lenses

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      Table 4. Calculation results of degrees of freedom adjustments for lenses

      ElementTilt X/(″)Tilt Y/(″)Decenter X/μmDecenter Y/μmDistance Z/μm
      Lens 1+4-1+10-2
      Lens 2-29+11-5+17+3
      Lens 3+10+10+1
      Lens 40+3-20+12
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    Yang HUANG, Chao ZHANG, Zhuwei ZHANG, Shengjie ZHANG, Chengguang CUI. Design and Verification of Automatic Alignment System for Batch Space Refractive Lenses[J]. Acta Photonica Sinica, 2023, 52(11): 1122002

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    Paper Information

    Category: Optical Design and Fabrication

    Received: May. 5, 2023

    Accepted: Jun. 8, 2023

    Published Online: Dec. 22, 2023

    The Author Email: HUANG Yang (huangyang600@126.com)

    DOI:10.3788/gzxb20235211.1122002

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