Fig. 1. Schematic of periodic supercell unit (inset I) as well as cross-polarized scattering phase and transmittance for 4.3 THz incident light. Phase distribution simulation of anomalous refraction at 4.3 THz is shown in inset II

Fig. 2. Metasurface structures (top) and corresponding electric field distributions of abnormally refracted cross-polarized light in x direction (bottom). Staggered distance: (a)(e) 0; (b)(f) 1/4 period; (c)(g) 2/4 period; (d)(h) 3/4 period

Fig. 3. Micrograph of V-shaped staggered metasurface structure

Fig. 4. Normalized transmission curves corresponding to Figs. 3 (a)--(d). Illustration I is partial magnification of anomalous refractive transmission