Fig. 1. Variations of (a) reflection coefficients and (b) phase with incident angle of aluminum reflection film

Fig. 2. Variations of (a) transmission coefficients t_s, t_p and (b) phase transmission , with incident angle of AR coating增透膜的 (a)透射系数 t_s、t_p 及(b)相位、随入射角的变化曲线

Fig. 3. Isometric side view of catadioptric optical system

Fig. 4. MTF curve of the optical system

Fig. 5. Diattenuation maps for each mirror and lens element in the designed catadioptric anamorphic optical system. (a) M₁; (2) M₂; (c) L₁ front; (d) L₁ rear; (e) L₂ front; (f) L₂ rear

Fig. 6. Retardance maps for each mirror and lens element in the designed catadioptric anamorphic optical system. (a) M₁; (2) M₂; (c) L₁ front; (d) L₁ rear; (e) L₂ front; (f) L₂ rear

Fig. 7. Schematic diagram of system with different spacings between the primary and secondary mirrors. Spacing is (a) 80 mm; (b) 90 mm; (c) 100 mm

Fig. 8. (a) Maximum diattenuation and (b) maximum retardance corresponding to the spacing of the primary and secondary mirrors

Fig. 9. (a) Diattenuation map and (b) retardance at the exit pupil plane with zero field of view (the unit is degree)

Fig. 10. Jones pupil. The values of A_xx, A_xy, A_yx, A_yy denote the transmittance; the values of , , , denote the phase change in units of π rad琼斯光瞳图。 A_xx 、A_xy、A_yx、A_yy伪色图的值表示透过率；、、、伪色图的值表示相位变化量，单位为π rad

Fig. 11. Amplitude response matrices

Fig. 12. PSF of a anamorphic optical system under the influence of polarization. (a) I_xx PSF; (b) I_yx PSF; (c) I_yy PSF; (d) I_yx PSF

Fig. 13. Normalized energy on the (a) cross-sections along the diagonal direction of the PSF images for I_xx and I_yx; (b) cross-sections along the diagonal direction of the PSF images for I_yy and I_xy

Fig. 14. Normalized energy on the cross-sections along the diagonal direction of the PSF images for I_xy and I_yx