Fig. 6From: High-Order Dielectric Metasurfaces for High-Efficiency Polarization Beam Splitters and Optical Vortex Generators a–c The transmitted intensity distributions and d–f the phase wavefronts of the generated vortex beams at z = 10μmwith topological charge of l = 1 , 2 , 3 based on the metasurfaces M 1, M 2, and M 3 under the X-polarized incidence, respectivelyBack to article page