• Journal of Applied Optics
  • Vol. 44, Issue 3, 636 (2023)
Yong ZHANG1, Weiping LIU2, Sasa MA1,3,*, Zhiwei LI1, and Bin ZHOU4
Author Affiliations
  • 1Unit 32181 of PLA, Xi'an 710032, China
  • 2Xi'an Institute of Applied Optics, Xi'an 710065, China
  • 3School of Artificial Intelligence, Hebei University of Technology, Tianjin 300131, China
  • 4Zhengzhou University of Science and Technology, Zhengzhou 450064, China
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    DOI: 10.5768/JAO202344.0304002 Cite this Article
    Yong ZHANG, Weiping LIU, Sasa MA, Zhiwei LI, Bin ZHOU. Optical system design of night vision goggles with large field of view and low illumination[J]. Journal of Applied Optics, 2023, 44(3): 636 Copy Citation Text show less
    Diagram of night vision head-mounted system
    Fig. 1. Diagram of night vision head-mounted system
    Optical path diagram of initial structure
    Fig. 2. Optical path diagram of initial structure
    Final optical path diagram and model section
    Fig. 3. Final optical path diagram and model section
    MTF curves
    Fig. 4. MTF curves
    Field curvature and distortion
    Fig. 5. Field curvature and distortion
    参数视场角/(°)焦距/mmF波长/nm放大倍数
    指标74.463.751.2487~9501
    Table 1. Design parameters of objective optical system
    参数数值
    波长/nm487~950
    出瞳直径/mm7
    视场角/(°)74.46
    最大畸变/%<−7.14
    出瞳距离/mm15
    总长/mm<78.86
    中心视场MTF>0.9 @14lp/mm
    >0.8 @21lp/mm
    边缘视场MTF>0.4 @14lp/mm
    >0.1 @21lp/mm
    Table 2. Design requirements of eyepiece optical system
    序号材料折射率阿贝常数密度/(g·cm−3)
    透镜1ZF111.69930.054.06
    透镜2H-LAK31.74750.954.08
    透镜3H-LAK31.74750.954.08
    透镜4H-Q501.58140.892.60
    Table 3. Material parameters of optical system lens
    圆锥系数二阶4阶6阶
    S4−3.755107.10937e-06−4.2856e-09
    Table 4. Optical system aspheric parameters
    视场点[物面/ mm,像面/mm]弥散斑RMS/μmGEO/μm
    [0.00,0.000]6.77913.600
    [18,14.622]19.69649.719
    [35,29.900]26.16757.350
    Table 5. Spot diagram of optical system
    蒙特卡罗分析MTF
    >90%0.3478
    >80%0.3857
    >50%0.4604
    >20%0.5023
    >10%0.5108
    Table 6. Monte Carlo analysis results
    Yong ZHANG, Weiping LIU, Sasa MA, Zhiwei LI, Bin ZHOU. Optical system design of night vision goggles with large field of view and low illumination[J]. Journal of Applied Optics, 2023, 44(3): 636
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