• Acta Optica Sinica
  • Vol. 41, Issue 5, 0522002 (2021)
Hanqing Zheng, Qingfeng Cui*, Yang Hu, Lin Sun, Yu Guo, and Xudong Gao
Author Affiliations
  • School of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun, Jilin 130022, China
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    DOI: 10.3788/AOS202141.0522002 Cite this Article Set citation alerts
    Hanqing Zheng, Qingfeng Cui, Yang Hu, Lin Sun, Yu Guo, Xudong Gao. Indirect Imaging Method of Ritchey-Chretien Optical System with Large Field of View[J]. Acta Optica Sinica, 2021, 41(5): 0522002 Copy Citation Text show less
    Flowchart of indirect imaging method
    Fig. 1. Flowchart of indirect imaging method
    Structure of optical system
    Fig. 2. Structure of optical system
    Point diagram of R-C system at different angles. (a) 0°; (b) 0.225°; (c) 0.315°; (d) 0.450°
    Fig. 3. Point diagram of R-C system at different angles. (a) 0°; (b) 0.225°; (c) 0.315°; (d) 0.450°
    Fitting results of Zernike polynomials
    Fig. 4. Fitting results of Zernike polynomials
    Wavefront comparison of R-C systems at different fields of view. (a) 0.12°; (b) 0.22°; (c) 0.34°; (d) 0.45°
    Fig. 5. Wavefront comparison of R-C systems at different fields of view. (a) 0.12°; (b) 0.22°; (c) 0.34°; (d) 0.45°
    PSF comparison of R-C system in different fields of view. (a) 0.15°; (b) 0.30°; (c) 0.45°
    Fig. 6. PSF comparison of R-C system in different fields of view. (a) 0.15°; (b) 0.30°; (c) 0.45°
    Comparison of results before and after restoration. (a) Image of before restoration; (b) image of after restoration; (c) local enlarged view of Fig. (a); (d) local enlarged view of Fig. (b)
    Fig. 7. Comparison of results before and after restoration. (a) Image of before restoration; (b) image of after restoration; (c) local enlarged view of Fig. (a); (d) local enlarged view of Fig. (b)
    Comparison of results before and after restoration of resolution plate. (a) Local enlarged view of Fig. (c); (b) local enlarged view of Fig. (b); (c) image of before restoration; (d) image of after restoration
    Fig. 8. Comparison of results before and after restoration of resolution plate. (a) Local enlarged view of Fig. (c); (b) local enlarged view of Fig. (b); (c) image of before restoration; (d) image of after restoration
    MTF comparison curves before and after restoration. (a) Before restoration; (b) after restoration
    Fig. 9. MTF comparison curves before and after restoration. (a) Before restoration; (b) after restoration
    TermZernike polynomialName
    Z001Displacement
    Z11Rcos θX-tilt
    Z1-1Rsin θY-tilt
    Z202R2-1Defocus
    Z22R2cos 2θ0° astigmatism
    Z2-2R2sin 2θ45° astigmatism
    Z31(3R3-2R)cos θX-coma
    Z3-1(3R3-2R)sin θY-coma
    Z406R4-6R2+1Spherical aberration
    Table 1. Correspondence between Zernike polynomials and aberrations
    ParameterContent
    F-number4
    Focal length /mm1300
    Field of view /(°)0.9
    Wavelength /nm900--1700
    Table 2. Index parameters of system
    Hanqing Zheng, Qingfeng Cui, Yang Hu, Lin Sun, Yu Guo, Xudong Gao. Indirect Imaging Method of Ritchey-Chretien Optical System with Large Field of View[J]. Acta Optica Sinica, 2021, 41(5): 0522002
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