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Laser & Optoelectronics Progress, Volume. 60, Issue 5, 0522004(2023)

Optical Design of an Airborne Light Weight Camera with Wide Field of View and High Resolution

Chenxin Zeng1,2,3, Jiahui Li1,2,3, Fenli Tan1,2,3, and Yiqun Ji1,2,3、*
Author Affiliations
  • 1School of Optoelectronic Science and Engineering, Soochow University, Suzhou 215006, Jiangsu, China
  • 2Jiangsu Key Laboratory of Advanced Optical Manufacturing Technologies, Soochow University, Suzhou 215006, Jiangsu, China
  • 3Key Laboratory of Modern Optical Technologies, Ministry of Education, Soochow University, Suzhou 215006, Jiangsu, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (18)
    Equations (3)
    References (25)
    Cited By (2)
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    Figures & Tables(18)
    Structure of optical layout of folding monocentric objective. (a) Side view; (b) top view

    Fig. 1. Structure of optical layout of folding monocentric objective. (a) Side view; (b) top view

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    Schematic diagram of double monocentric ball lens

    Fig. 2. Schematic diagram of double monocentric ball lens

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    Optical layout of monocentric ball lens

    Fig. 3. Optical layout of monocentric ball lens

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    Spot diagram of monocentric ball lens

    Fig. 4. Spot diagram of monocentric ball lens

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    Model diagram of folding monocentric objective

    Fig. 5. Model diagram of folding monocentric objective

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    Imaging principle of relay lens array. (a) Side view of single channel of folding cascade optical system; (b) schematic diagram of relay lens array

    Fig. 6. Imaging principle of relay lens array. (a) Side view of single channel of folding cascade optical system; (b) schematic diagram of relay lens array

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    Schematic diagram of paraxial imaging of spherical object

    Fig. 7. Schematic diagram of paraxial imaging of spherical object

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    Subsystem optical path structure diagram of relay imager

    Fig. 8. Subsystem optical path structure diagram of relay imager

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    Relative illuminance curve of relay imager

    Fig. 9. Relative illuminance curve of relay imager

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    Structure diagram of single channel of folding cascade optical system

    Fig. 10. Structure diagram of single channel of folding cascade optical system

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    Simplified model diagram of folding cascade optical system

    Fig. 11. Simplified model diagram of folding cascade optical system

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    Relationship between d and folding cascade optical system parameters. (a) Relationship between d and FOV; (b) relationship between d and tube length

    Fig. 12. Relationship between d and folding cascade optical system parameters. (a) Relationship between d and FOV; (b) relationship between d and tube length

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    Optical layout of single channel of folding cascade optical system

    Fig. 13. Optical layout of single channel of folding cascade optical system

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    Spot diagram of folding cascade optical system

    Fig. 14. Spot diagram of folding cascade optical system

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    MTF curves of folding cascade optical system

    Fig. 15. MTF curves of folding cascade optical system

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    Performance curves of folding cascade optical system. (a) Field curvature; (b) distortion curve

    Fig. 16. Performance curves of folding cascade optical system. (a) Field curvature; (b) distortion curve

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    Imaging simulation map of multi-channel folding cascade optical system

    Fig. 17. Imaging simulation map of multi-channel folding cascade optical system

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    • Table 1. Parameters of multi-channel folding cascade optical system

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      Table 1. Parameters of multi-channel folding cascade optical system

      ItemSpecification
      FOV of full channels /（°）109.6
      FOV of one channel /（°）5.6
      Number of channels21
      Cone angle of a relay imager /（°）5.2
      Overlap FOV for neighboring relay imagers /（°）0.4
      Overlap rate /%14.3
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    Chenxin Zeng, Jiahui Li, Fenli Tan, Yiqun Ji. Optical Design of an Airborne Light Weight Camera with Wide Field of View and High Resolution[J]. Laser & Optoelectronics Progress, 2023, 60(5): 0522004

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    Paper Information

    Category: Optical Design and Fabrication

    Received: Jan. 15, 2022

    Accepted: Mar. 3, 2022

    Published Online: Mar. 6, 2023

    The Author Email: Yiqun Ji (jiyiqun@suda.edu.cn)

    DOI:10.3788/LOP220743

    Topics

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