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Acta Optica Sinica, Volume. 44, Issue 2, 0211003(2024)

Design Method of Broad-Spectrum Optical System by Genetic Algorithm

Yang Chen*, Yiqing Wang, Ming Gao, and Bin Feng
Author Affiliations
  • Institute of Optical Information Technology, School of Optoelectronic Engineering, Xi'an Technological University, Xi'an 710021, Shaanxi , China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (12)
    Equations (0)
    References (17)
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    Paper Information
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    Figures & Tables(12)
    Equal focus principle

    Fig. 1. Equal focus principle

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    Construction process diagram of initial structure

    Fig. 2. Construction process diagram of initial structure

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    Iteration result graph of genetic algorithm

    Fig. 3. Iteration result graph of genetic algorithm

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    Schematic diagram of the initial structure

    Fig. 4. Schematic diagram of the initial structure

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    System architecture diagram

    Fig. 5. System architecture diagram

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    MTF map of 0.4—1.2 μm band

    Fig. 6. MTF map of 0.4—1.2 μm band

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    Spot diagram of 0.4-1.2 μm band

    Fig. 7. Spot diagram of 0.4-1.2 μm band

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    Curve of focal shift changing with wavelength

    Fig. 8. Curve of focal shift changing with wavelength

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    MTF changes with field of view

    Fig. 9. MTF changes with field of view

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    • Table 1. Initial structural system indicator

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      Table 1. Initial structural system indicator

      ParametricTarget
      Wave band /μm0.4-1.2
      Focal length /mm40
      Focal length difference /mm<0.5
      Optimal image plane difference /mm<0.5
      Field of view /（°）±5
      F number3.5

    • Table 2. Specific setting parameter

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      Table 2. Specific setting parameter

      ParametricTarget
      Center wave length /μm0.55 and 1.1

      Focal length range /mm

      Interval range /mm

      ［10，100］

      ［1，50］

      Combination of materials［1，4］
      Number of lenses5
      Number of population100
      Focal length /mm40
      Focal length difference /mm<0.5

    • Table 3. Initial structural parameters of the 127th group

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      Table 3. Initial structural parameters of the 127th group

      SurfaceRadius /mmThickness /mmGlass
      OBJInfinityInfinity
      122.3423.000H-FK61
      2Infinity1.000
      319.6522.900H-FK61B
      4Infinity2.000
      5-20.0142.000H-ZLAF50E
      620.0143.687
      718.9113.000H-ZPK5
      8-18.9111.000
      STOInfinity7.592
      10-107.9502.000H-ZLAF50E
      1155.68017.311
      IMAInfinity
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    Yang Chen, Yiqing Wang, Ming Gao, Bin Feng. Design Method of Broad-Spectrum Optical System by Genetic Algorithm[J]. Acta Optica Sinica, 2024, 44(2): 0211003

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    Paper Information

    Category: Imaging Systems

    Received: Sep. 5, 2023

    Accepted: Oct. 21, 2023

    Published Online: Jan. 15, 2024

    The Author Email: Chen Yang (867549558@qq.com)

    DOI:10.3788/AOS231528

    CSTR:32393.14.AOS231528

    Topics

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