• Acta Optica Sinica
  • Vol. 44, Issue 2, 0211003 (2024)
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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    DOI: 10.3788/AOS231528 Cite this Article Set citation alerts
    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 Copy Citation Text show less
    Equal focus principle
    Fig. 1. Equal focus principle
    Construction process diagram of initial structure
    Fig. 2. Construction process diagram of initial structure
    Iteration result graph of genetic algorithm
    Fig. 3. Iteration result graph of genetic algorithm
    Schematic diagram of the initial structure
    Fig. 4. Schematic diagram of the initial structure
    System architecture diagram
    Fig. 5. System architecture diagram
    MTF map of 0.4—1.2 μm band
    Fig. 6. MTF map of 0.4—1.2 μm band
    Spot diagram of 0.4-1.2 μm band
    Fig. 7. Spot diagram of 0.4-1.2 μm band
    Curve of focal shift changing with wavelength
    Fig. 8. Curve of focal shift changing with wavelength
    MTF changes with field of view
    Fig. 9. MTF changes with field of view
    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 1. Initial structural system indicator
    ParametricTarget
    Center wave length /μm0.55 and 1.1

    Focal length range /mm

    Interval range /mm

    10,100]

    1,50]

    Combination of materials14
    Number of lenses5
    Number of population100
    Focal length /mm40
    Focal length difference /mm<0.5
    Table 2. Specific setting parameter
    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
    Table 3. Initial structural parameters of the 127th group
    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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