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arXiv · 1803.08316

Graphene-Based Tunable Metasurface for All-angle Perfect Absorption

Xu-Chen Wang·Sergei A. Tretyakov
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Abstract

Motivated by the idea of smart metasurfaces, we will demonstrate a graphene-based tunable absorber in which perfect absorption can be achieved for all angles of incidence, only by tuning the Fermi level of graphene. We place an unpatterned graphene sheet on a mushroom-type high impedance surface whose resonant frequency is stable for all incident angles. For TM-polarization, perfect absorption can be realized from normal to grazing incidence at the same frequency when modulating the Fermi level of graphene from 0.18 eV to 1 eV.

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Xu-Chen Wang, Sergei A. Tretyakov. 2018-03-22. Graphene-Based Tunable Metasurface for All-angle Perfect Absorption. https://arxiv.org/abs/1803.08316

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