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Acta Optica Sinica, Volume. 40, Issue 8, 0811001(2020)

Polarization Aberrations in an Unobscured Off-Axis Astronomical Telescope and Their Effects on Optics Ellipticity

Jing Luo1、*, Xu He1, Kuo Fan1,2, Xiaohui Zhang1, and Jihong Dong1
Author Affiliations
  • 1Third Research Department of Space Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin 130033, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
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    AbstractGet PDF(in Chinese)
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    Figures & Tables(9)
    Optical layout of the unobscured off-axis telescope

    Fig. 1. Optical layout of the unobscured off-axis telescope

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    Diattenuation maps for each mirror element in the designed unobscured off-axis telescope. (a) M1; (b) M2; (c) M3; (d) M4

    Fig. 2. Diattenuation maps for each mirror element in the designed unobscured off-axis telescope. (a) M1; (b) M2; (c) M3; (d) M4

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    Retardance maps for each mirror element in the designed unobscured off-axis telescope. (a) M1; (b) M2; (c) M3; (d) M4

    Fig. 3. Retardance maps for each mirror element in the designed unobscured off-axis telescope. (a) M1; (b) M2; (c) M3; (d) M4

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    Jones pupils. (a) AXX; (b) AXY; (c) φXX; (d) φXY; (e) AYX; (f) AYY; (g) φYX; (h) φYY

    Fig. 4. Jones pupils. (a) AXX; (b) AXY; (c) φXX; (d) φXY; (e) AYX; (f) AYY; (g) φYX; (h) φYY

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    Amplitude of the ARM. (a) MXX; (b) MXY; (c) MYX; (d) MYY

    Fig. 5. Amplitude of the ARM. (a) MXX; (b) MXY; (c) MYX; (d) MYY

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    Optics ellipticity induced by polarization aberrations of the off-axis telescope varies along with the X and Y field of view. (a) X field of view; (b) Y field of view

    Fig. 6. Optics ellipticity induced by polarization aberrations of the off-axis telescope varies along with the X and Y field of view. (a) X field of view; (b) Y field of view

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    Optics ellipticity maps of the off-axis telescopes with ideal coating and Al coating, and difference of optics ellipticity of the off-axis telescopes at ideal coating and Al coating. (a) Ideal coating; (b) Al coating; (c) difference of optics ellipticity at ideal coating and Al coating

    Fig. 7. Optics ellipticity maps of the off-axis telescopes with ideal coating and Al coating, and difference of optics ellipticity of the off-axis telescopes at ideal coating and Al coating. (a) Ideal coating; (b) Al coating; (c) difference of optics ellipticity at ideal coating and Al coating

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    Schematic diagram of interpolation calculation principle for ellipticity

    Fig. 8. Schematic diagram of interpolation calculation principle for ellipticity

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    Optics ellipticity distribution of the off-axis telescope with ideal coating and Al coating. (a) Ideal coating; (b) Al coating

    Fig. 9. Optics ellipticity distribution of the off-axis telescope with ideal coating and Al coating. (a) Ideal coating; (b) Al coating

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    Jing Luo, Xu He, Kuo Fan, Xiaohui Zhang, Jihong Dong. Polarization Aberrations in an Unobscured Off-Axis Astronomical Telescope and Their Effects on Optics Ellipticity[J]. Acta Optica Sinica, 2020, 40(8): 0811001

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    Paper Information

    Category: Imaging Systems

    Received: Oct. 31, 2019

    Accepted: Dec. 30, 2019

    Published Online: Apr. 13, 2020

    The Author Email: Jing Luo (luojingopt@ciomp.ac.cn)

    DOI:10.3788/AOS202040.0811001

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology