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Opt Express. 2012 Dec 17;20(27):28017-24. doi: 10.1364/OE.20.028017.

A perfect absorber made of a graphene micro-ribbon metamaterial.

Author information

1
Institute of Condensed Matter Theory and Solid State Optics, Abbe Center of Photonics, Friedrich-Schiller-Universit├Ąt Jena, Max-Wien-Platz 1, D-07743 Jena, Germany. Rasoul.Alaee@uni-jena.de

Abstract

Metamaterial-based perfect absorbers promise many applications. Perfect absorption is characterized by the complete suppression of transmission and reflection and complete dissipation of the incident energy by the absorptive meta-atoms. A certain absorption spectrum is usually assigned to a bulk medium and serves as a signature of the respective material. Here we show how to use graphene flakes as building blocks for perfect absorbers. Then, an absorbing meta-atom only consists of a molecular monolayer placed at an appropriate distance from a metallic ground plate. We show that the functionality of such device is intuitively and correctly explained by a Fabry-Perot model.

PMID:
23263036
[Indexed for MEDLINE]
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