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Fig. 1 | Nanoscale Research Letters

Fig. 1

From: Multifunctional graphene metasurface to generate and steer vortex waves

Fig. 1

Illustration of graphene metasurface and cell configuration. a Schematic of a graphene metasurface, which can steering the incoming electromagnetic waves by anomalous reflection. b Configuration of a graphene cell, which consists of multi-layered substrate and a mounted graphene patch of size wx×wy. A static gate voltage is applied between the graphene patch and the silicon layer to control the chemical potential

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