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
- Acta Optica Sinica
- Vol. 40, Issue 8, 0811001 (2020)
Fig. 1. Optical layout of the unobscured off-axis telescope
Fig. 2. Diattenuation 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
Fig. 4. Jones pupils. (a) AXX; (b) AXY; (c) φXX; (d) φXY; (e) AYX; (f) AYY; (g) φYX; (h) φYY
Fig. 5. Amplitude of the ARM. (a) MXX; (b) MXY; (c) MYX; (d) MYY
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
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
Fig. 8. Schematic diagram of interpolation calculation principle for ellipticity
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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