Taming the Electromagnetic Boundaries via Metasurfaces: From Theory and Fabrication to Functional Devices

Figure 31

OAM generation and wavefront shaping by groove type SP-inspired metasurface. (a) Experimental setup of the OAM generation. (b) SEM image of the sample. (c) Intensity distribution imaged through the sample. (d, e) SEM images of the holographic metasurfaces. (f, g) Simulated images of the holographic images. Figures are reproduced from (a)–(c) [170] and (d)–(g) [171].

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