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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- Optics and Precision Engineering
- Vol. 29, Issue 12, 2783 (2021)

Fig. 1. Surface vector height map of Zernike polynomial terms

Fig. 2. Influence of freeform surface of Zernike polynomial on polarization aberration of system

Fig. 3. Schematic diagram of polarized light refraction and reflection on q th plane

Fig. 4. Distribution of polarization aberration of freeform single reflection system with Z 5 / 6 ![]()
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term

Fig. 5. Changes of aberrations after adding freeform with Z 5 / 6 ![]()
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term

Fig. 6. Effect of freeform with Z 5 / 6 ![]()
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term on polarization aberration in full field of view

Fig. 7. Distribution of polarization aberration of freeform single reflection system with Z 7 / 8 ![]()
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term

Fig. 8. Distribution of polarization aberration of freeform single reflection system with Z 9 ![]()
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term

Fig. 9. Changes of diattenuation and retardance after adding freeform with Z 7 / 8 ![]()
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term

Fig. 10. Changes of diattenuation and retardance after adding freeform with Z 9 ![]()
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term

Fig. 11. Effect of freeform with Z 7 / 8 ![]()
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term on polarization aberration in full field of view

Fig. 12. Effect of freeform with Z 9 ![]()
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term on polarization aberration in full field of view

Fig. 13. Design process of polarization optical system with freeform surface

Fig. 14. Layout of optimized freeform polarization optical system

Fig. 15. MTF curves of freeform polarization optical system

Fig. 16. Diattenuation pupil in full field of view

Fig. 17. Diattenuation pupil of freeform surface in full field of view

Fig. 18. Retardance pupil in full field of view

Fig. 19. Retardance pupil of freeform surface in full field of view
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Table 1. Main optical indicators of freeform polarization optical system
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Table 2. Optical constants of metals

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