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    Journals >Acta Optica Sinica >Volume 44 >Issue 4 >Page 0422003 > Article
    • Acta Optica Sinica
    • Vol. 44, Issue 4, 0422003 (2024)
    Design of a Solar Blind Ultraviolet Refractive-Diffractive Hybrid Zoom Optical System
    Yichen Song, Yufeng Tang, Tao Lai, Peiqi Yuan, Xiaowei Ding, Shan Mao*, and Jianlin Zhao
    Author Affiliations
  • Key Laboratory of Light-Field Manipulation and Information Acquisition, Ministry of Industry and Information Technology, Shaanxi Key Laboratory of Photonics Technology for Information, School of Physical Science and Technology, Northwestern Polytechnical University, Xi'an 710129, Shaanxi, China
    • show less
    DOI: 10.3788/AOS231476 Cite this Article Set citation alerts
    Yichen Song, Yufeng Tang, Tao Lai, Peiqi Yuan, Xiaowei Ding, Shan Mao, Jianlin Zhao. Design of a Solar Blind Ultraviolet Refractive-Diffractive Hybrid Zoom Optical System[J]. Acta Optica Sinica, 2024, 44(4): 0422003 Copy Citation Text show less
    Principle of mechanical zoom optical system
    Fig. 1. Principle of mechanical zoom optical system
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    Two-dimensional diagrams of optical system under different focal lengths. (a) f '=40 mm; (b) f '=70 mm; (c) f '=100 mm
    Fig. 2. Two-dimensional diagrams of optical system under different focal lengths. (a) f '=40 mm; (b) f '=70 mm; (c) f '=100 mm
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    MTF of optical system under different focal lengths. (a) f '=40 mm; (b) f '=70 mm; (c) f '=100 mm
    Fig. 3. MTF of optical system under different focal lengths. (a) f '=40 mm; (b) f '=70 mm; (c) f '=100 mm
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    Seidel diagrams of optical system under different focal lengths. (a) f '=40 mm; (b) f '=70 mm; (c) f '=100 mm
    Fig. 4. Seidel diagrams of optical system under different focal lengths. (a) f '=40 mm; (b) f '=70 mm; (c) f '=100 mm
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    Two-dimensional diagrams of ultraviolet optical system under different focal lengths. (a) f '=40 mm; (b) f '=70 mm; (c) f '=100 mm
    Fig. 5. Two-dimensional diagrams of ultraviolet optical system under different focal lengths. (a) f '=40 mm; (b) f '=70 mm; (c) f '=100 mm
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    Cross section curves of even aspherical surface and standard surface
    Fig. 6. Cross section curves of even aspherical surface and standard surface
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    Diffraction efficiency and phase distribution of designed diffractive optical element. (a) Diffraction efficiency; (b) phase
    Fig. 7. Diffraction efficiency and phase distribution of designed diffractive optical element. (a) Diffraction efficiency; (b) phase
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    Diagrams of Qcon aspherical and standard surfaces. (a) Two-dimensional diagram; (b) three-dimensional Qcon aspherical surface
    Fig. 8. Diagrams of Qcon aspherical and standard surfaces. (a) Two-dimensional diagram; (b) three-dimensional Qcon aspherical surface
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    MTF of ultraviolet optical system under different focal lengths. (a) f '=40 mm; (b) f '=70 mm; (c) f '=100 mm
    Fig. 9. MTF of ultraviolet optical system under different focal lengths. (a) f '=40 mm; (b) f '=70 mm; (c) f '=100 mm
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    Field curvature and distortion of ultraviolet optical system under different focal lengths. (a) (d) f '=40 mm; (b) (e) f '=70 mm; (c) (f) f '=100 mm
    Fig. 10. Field curvature and distortion of ultraviolet optical system under different focal lengths. (a) (d) f '=40 mm; (b) (e) f '=70 mm; (c) (f) f '=100 mm
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    Cam curves of the zoom lens
    Fig. 11. Cam curves of the zoom lens
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    Image simulation results of ultraviolet optical system under different focal lengths. (a) Fingerprint image; (b) f '=40 mm; (c) f '=70 mm; (d) f '=100 mm
    Fig. 12. Image simulation results of ultraviolet optical system under different focal lengths. (a) Fingerprint image; (b) f '=40 mm; (c) f '=70 mm; (d) f '=100 mm
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    ParameterValue
    Working waveband /μm2.4-2.7
    Field of view /（°）3.8-9.4
    Effective focal length（EFL）/mm40-100
    F-number4
    MTF@11 lp/mm>0.7
    Distortion /%<0.1
    Table 1. Design index of ultraviolet optical system
    No.ItemSurface typeRadius /mmThickness /mmMaterial
    0ObjectStandardInfinityInfinity-
    1AperStandard51.4872.000F_SILICA
    2AperStandard64.95246.919-
    3AperStandard-335.2011.498CAF2
    4AperStandard66.2371.157-
    5AperStandard73.2891.473F_SILICA
    6AperEven asphere86.0750.998-
    7AperEven asphere23.5287.024CAF2
    8AperStandard-100.99466.985-
    9StopStandardInfinity1.005F_SILICA
    10AperQcon asphere77.0862.258-
    11AperBinary2Infinity58.684-
    12ImageStandard-
    Table 2. Structure parameters of optical system
    Surface No.Conic2nd orderterm4th orderterm6th orderterm8th orderterm
    6-1.7070.0121.894×10-51.097×10-7-9.658×10-10
    7-1.047-2.627×10-31.757×10-51.082×10-71.035×10-9
    Table 3. Parameters of aspherical surface
    Surface No.Diffraction orderNorm radiusCoefficient on p2Coefficient on p4
    111100-3.318×10-55.510×10-5
    Table 4. Parameters of diffractive surface
    Surfaceccona0a1a2a3
    10-0.748-7.942×10-73.449×10-9-1.044×10-111.750×10-14
    Table 5. Parameters of Qcon asphere
    Tolerance typeValue
    Refractive index0.0008
    Surface irregularity /fringes0.25
    Thickness /mm±0.025
    Abbe number /%0.08
    Element decenter /mm±0.01
    Element tilt /（°）0.02
    Test wavelength /nm255
    Table 6. Tolerance data of system
    Yield rate /%MTF of short focal lengthMTF of middle focal lengthMTF of long focal length
    980.7610.7750.774
    900.8050.8170.812
    800.8300.8350.835
    500.8700.8680.873
    200.8930.8950.897
    100.9020.9030.905
    20.9120.9130.914
    Table 7. Tolerance analysis results
    Abstract
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    Yichen Song, Yufeng Tang, Tao Lai, Peiqi Yuan, Xiaowei Ding, Shan Mao, Jianlin Zhao. Design of a Solar Blind Ultraviolet Refractive-Diffractive Hybrid Zoom Optical System[J]. Acta Optica Sinica, 2024, 44(4): 0422003
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