• Optics and Precision Engineering
  • Vol. 29, Issue 12, 2783 (2021)
Yi-Lan ZHANG, Hao-dong SHI*, Chao WANG, Ying-chao LI..., Zhuang LIU, Su ZHANG, Jia-yu WANG and Hui-lin JIANG*|Show fewer author(s)
Author Affiliations
  • College of Optoelectronic Engineering, Changchun University of Science and Technology, Changchun130022, China
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    DOI: 10.37188/OPE.20212912.2783 Cite this Article
    Yi-Lan ZHANG, Hao-dong SHI, Chao WANG, Ying-chao LI, Zhuang LIU, Su ZHANG, Jia-yu WANG, Hui-lin JIANG. Analysis of polarization aberration of space optical system based on freeform surface[J]. Optics and Precision Engineering, 2021, 29(12): 2783 Copy Citation Text show less
    Surface vector height map of Zernike polynomial terms
    Fig. 1. Surface vector height map of Zernike polynomial terms
    Influence of freeform surface of Zernike polynomial on polarization aberration of system
    Fig. 2. Influence of freeform surface of Zernike polynomial on polarization aberration of system
    Schematic diagram of polarized light refraction and reflection on qth plane
    Fig. 3. Schematic diagram of polarized light refraction and reflection on qth plane
    Distribution of polarization aberration of freeform single reflection system with Z5/6 term
    Fig. 4. Distribution of polarization aberration of freeform single reflection system with Z5/6 term
    Changes of aberrations after adding freeform with Z5/6 term
    Fig. 5. Changes of aberrations after adding freeform with Z5/6 term
    Effect of freeform with Z5/6 term on polarization aberration in full field of view
    Fig. 6. Effect of freeform with Z5/6 term on polarization aberration in full field of view
    Distribution of polarization aberration of freeform single reflection system with Z7/8 term
    Fig. 7. Distribution of polarization aberration of freeform single reflection system with Z7/8 term
    Distribution of polarization aberration of freeform single reflection system with Z9 term
    Fig. 8. Distribution of polarization aberration of freeform single reflection system with Z9 term
    Changes of diattenuation and retardance after adding freeform with Z7/8 term
    Fig. 9. Changes of diattenuation and retardance after adding freeform with Z7/8 term
    Changes of diattenuation and retardance after adding freeform with Z9 term
    Fig. 10. Changes of diattenuation and retardance after adding freeform with Z9 term
    Effect of freeform with Z7/8 term on polarization aberration in full field of view
    Fig. 11. Effect of freeform with Z7/8 term on polarization aberration in full field of view
    Effect of freeform with Z9 term on polarization aberration in full field of view
    Fig. 12. Effect of freeform with Z9 term on polarization aberration in full field of view
    Design process of polarization optical system with freeform surface
    Fig. 13. Design process of polarization optical system with freeform surface
    Layout of optimized freeform polarization optical system
    Fig. 14. Layout of optimized freeform polarization optical system
    MTF curves of freeform polarization optical system
    Fig. 15. MTF curves of freeform polarization optical system
    Diattenuation pupil in full field of view
    Fig. 16. Diattenuation pupil in full field of view
    Diattenuation pupil of freeform surface in full field of view
    Fig. 17. Diattenuation pupil of freeform surface in full field of view
    Retardance pupil in full field of view
    Fig. 18. Retardance pupil in full field of view
    Retardance pupil of freeform surface in full field of view
    Fig. 19. Retardance pupil of freeform surface in full field of view
    SpecificationParameters
    Focal length850 mm
    F number6.5
    Field of view20°×2°
    Distortion<0.5%
    Pixel size13 μm
    Table 1. Main optical indicators of freeform polarization optical system
    Metalnnκ
    Silver0.203.44
    Aluminum1.445.23
    Gold0.472.83
    Copper0.622.57
    Iron1.511.63
    Table 2. Optical constants of metals
    Yi-Lan ZHANG, Hao-dong SHI, Chao WANG, Ying-chao LI, Zhuang LIU, Su ZHANG, Jia-yu WANG, Hui-lin JIANG. Analysis of polarization aberration of space optical system based on freeform surface[J]. Optics and Precision Engineering, 2021, 29(12): 2783
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