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Infrared and Laser Engineering, Volume. 54, Issue 7, 20250147(2025)

Design of miniaturized long-wave infrared/visible dual-spectral composite photoelectric imaging components

Linao TANG1,2,3, Li REN2, Xia NIU2, and Zhiqiang NIE3
Author Affiliations
  • 1School of Optoelectronic Engineering, Xidian University, Xi’an 710071, China
  • 2Xi’an Zhongke Mingguang Measurement and Control Technology Co., Ltd., Xi'an 710077, China
  • 3State Key Laboratory of Ultrafast Optical Science and Technology, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an 710119, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (14)
    Equations (2)
    References (16)
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    Figures & Tables(14)
    Structure diagram of long wave infrared channel

    Fig. 1. Structure diagram of long wave infrared channel

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    Structure diagram of visible light channel

    Fig. 2. Structure diagram of visible light channel

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    MTFs of visible light channel

    Fig. 3. MTFs of visible light channel

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    Structure diagram of long-wave infrared and visible dual-spectral composite optical system

    Fig. 4. Structure diagram of long-wave infrared and visible dual-spectral composite optical system

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    Diagram of the opening and cutting of the first infrared lens

    Fig. 5. Diagram of the opening and cutting of the first infrared lens

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    MTFs of long wave infrared channel

    Fig. 6. MTFs of long wave infrared channel

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    Integrated system framework of long-wave infrared and visible light

    Fig. 7. Integrated system framework of long-wave infrared and visible light

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    3D model of long-wave infrared and visible composite photoelectric imaging components

    Fig. 8. 3D model of long-wave infrared and visible composite photoelectric imaging components

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    Dual-spectral composite photoelectric imaging components of long-wave infrared and visible light

    Fig. 9. Dual-spectral composite photoelectric imaging components of long-wave infrared and visible light

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    Image of long-wave infrared channel

    Fig. 10. Image of long-wave infrared channel

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    Image of visible light channel

    Fig. 11. Image of visible light channel

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    • Table 1. Optical design targets

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      Table 1. Optical design targets

      Long wave infrared channelVisible light channel
      Working wave band/μm8-12Working wave band/μm0.45-0.75
      F#0.95F#4.3
      Focal length/mm44Focal length/mm25
      Optical length/mm＜60Optical length/mm＜40
      Operation temperature/℃−40-+60Operation temperature/℃−40-+60

    • Table 2. RMS radii of various normalized fields of view at room temperature for visible light channel

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      Table 2. RMS radii of various normalized fields of view at room temperature for visible light channel

      FOVRMS radius/μm
      01.737
      0.51.656
      0.71.675
      0.851.764
      11.941

    • Table 3. RMS radii of various normalized fields of view at room temperature for long wave infrared channel

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      Table 3. RMS radii of various normalized fields of view at room temperature for long wave infrared channel

      FOVRMS radius/μm
      02.547
      0.54.284
      0.76.151
      0.857.112
      18.903
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    Linao TANG, Li REN, Xia NIU, Zhiqiang NIE. Design of miniaturized long-wave infrared/visible dual-spectral composite photoelectric imaging components[J]. Infrared and Laser Engineering, 2025, 54(7): 20250147

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    Paper Information

    Category: Optical design and fabrication

    Received: Mar. 6, 2025

    Accepted: --

    Published Online: Aug. 29, 2025

    The Author Email:

    DOI:10.3788/IRLA20250147

    Topics

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