Fig. 1. Schematic of two-parameter top-cut hexagonal prism

Fig. 2. 2D interference patterns, magnification map, and 1D intensity distribution. (a) 2D interference patterns along x-y plane; (b) magnified patterns along x-y plane; (c) 2D interference patterns along y-z plane; (d) magnified patterns along y-z plane; (e) 1D intensity along y-axis; (f) 1D intensity along z-axis

Fig. 3. Intensity versus main angle θ₁ and y

Fig. 4. 2D and 1D intensity distributions at different θ₁. (a)(e) θ₁=10°; (b)(f) θ₁=20°; (c)(g) θ₁=30°; (d)(h) θ₁=35°

Fig. 5. Intensity versus θ₂-θ₁ and y

Fig. 6. 2D and 1D intensity distributions at different θ₂-θ₁. (a)(e) θ₂-θ₁ =0°; (b)(f) θ₂-θ₁ =1°;(c)(g) θ₂-θ₁ =2°; (d)(h) θ₂-θ₁ =3°

Fig. 7. Intensity distributions at different amplitude ratios of main and auxiliary beams. (a) A_p/A_m=1; (b) A_p/A_m=1.1; (c) A_p/A_m=1.2; (d) A_p/A_m=1.3; (e) A_p/A_m=1.4; (f) A_p/A_m=1.5