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. 2018 Dec 12;8(12):1033. doi: 10.3390/nano8121033

Figure 4.

Figure 4

(a) Schematic depiction of the absorption structure by coupling unpatterned graphene with dielectric bricks. (b) Calculated absorption spectrum of the designed structure shown in (a) under normal incidence [118]. (c) Schematic illustration of the absorption structure by coupling unpatterned graphene with dielectric wires. (d) Calculated absorption spectrum of the designed structure shown in (c) for TM polarization under normal incidence [24]. Reproduced from references [24,118], with permission from Optical Society of America, 2018; with permission from Optical Society of America, 2017.