Graphene-Based Tunable Metasurface for All-angle Perfect Absorption
Applied Physics
2018-03-23 v1
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.
Cite
@article{arxiv.1803.08316,
title = {Graphene-Based Tunable Metasurface for All-angle Perfect Absorption},
author = {Xu-Chen Wang and Sergei A. Tretyakov},
journal= {arXiv preprint arXiv:1803.08316},
year = {2018}
}