Fig. 1. Schematic of hook-typed hypersurface array. (a) Hook-typed supersurface structure; (b) hook-typed supersurface element; (c) hook-typed hypersurface array

Fig. 2. Light field intensity distribution and phase distribution of emitted light at different transmission distances. (a)(b)1000nm; (c)(d) 2000nm

Fig. 3. Coupling efficiency curves of metasurface arrays with different structures. (a) Full-size supersurface structure; (b) supersurface structure with horizontal size enlarged by 1.6 times and longitudinal size remains unchanged

Fig. 4. Phase distribution diagram of different polarization directions. (a) 0°; (b) 15°; (c) 30°

Fig. 5. Metasurface unit structure of vortex beam when l=2

Fig. 6. Performance distribution diagram of different structures. (a) Phase distribution of mirror hook-typed array at 3000 nm; (b) optical field distribution of vortex beam metasurface at 3000 nm; (c) phase distribution of vortex beam metasurface at 3000 nm