Two-Dimensional Optical Metasurfaces: From Plasmons to Dielectrics

Figure 1

Selected functionalities of metasurfaces: (a) band pass frequency selective surface; (b) band stop frequency selective surface; (c) high-impedance surface; (d) narrowband perfect absorber; (e) twist polarizer; (f) right-handed circular-polarization frequency selective surface; (g) linear-to-circular polarization converter; (h) two-dimensional leaky-wave antenna with a conical-beam pattern; (i) focusing transmit array; (j) focusing reflect array; (k)flat Luneburg lens; (l) hologram [18].

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