• Journal of Applied Optics
  • Vol. 43, Issue 3, 392 (2022)
Honghai LIU
Author Affiliations
  • Research and Development Center, Guangdong Hongjing Optoelectronic Technology Inc., Zhongshan 528437, China
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    DOI: 10.5768/JAO202243.0301003 Cite this Article
    Honghai LIU. Panoramic fisheye optical system based on freeform surface design[J]. Journal of Applied Optics, 2022, 43(3): 392 Copy Citation Text show less
    Schematic diagram of distortion model
    Fig. 1. Schematic diagram of distortion model
    Structure diagram of optical system
    Fig. 2. Structure diagram of optical system
    Schematic diagram of different surface types
    Fig. 3. Schematic diagram of different surface types
    Schematic diagram of imaging circle
    Fig. 4. Schematic diagram of imaging circle
    MTF图
    Fig. 5. MTF图
    Spot diagram of imaging
    Fig. 6. Spot diagram of imaging
    Distortion diagram of f-θ
    Fig. 7. Distortion diagram of f-θ
    Relative illumination diagram
    Fig. 8. Relative illumination diagram
    Schematic diagram of imaging
    Fig. 9. Schematic diagram of imaging
    Actual effect picture of elliptical imaging
    Fig. 10. Actual effect picture of elliptical imaging
    参数名称指标
    X向焦距 /mm <1.55
    Y向焦距 /mm <1.40
    光圈2.8×
    X向视场角/(°) 200
    Y向视场角/(°) 200
    光学总长/mm<40.00
    Table 1. Main design parameters of optical system
    SurfaceTypeRadiusConicRadius of rotationa1a2a3a4a5a6a7
    L2R1Toroidal−25.7640.000−77.3500.000.000.000.000.000.000.00
    L9R2Toroidal−4.1970.000−5.3400.000.000.000.000.000.000.00
    Table 2. Parameters of free-form surface
    SurfaceTypeRadiusConica1a2a3a4a5a6a7a8
    L2R2Even asphere3.573−0.890.0−7.10E-049.55E-05−4.43E-061.39E-070.00.00.0
    L9R1Even asphere−6.5795.140.0−1.71E-022.06E-03−4.87E-042.91E-050.00.00.0
    Table 3. Parameters of rotational symmetric surface