2012/01/15 by Apell, S. P., Hanson, G. W., Hägglund, C.
#FOS: Physical sciences #Optics (physics.optics)
paper · doi:10.48550/arxiv.1201.3071
A simple analysis is performed for the absorption properties of graphene; sandwiched between two media. For a proper choice of media and graphene doping/gating one can approach 50-100% absorption in the GHz-THz range for the one atom thick material. This absorption is controlled by a characteristic chemical potential which depends only on carrier life-time and the indexes of refraction of the dielectric embedding.