Abstract
We present an equivalent conductivity method for analyzing metasurface-based structures,
which relies on the derivation of equivalent conductivity containing the properties such as the
geometry, periodicity, and the surrounding materials. Using this approach, one can calculate
the equivalent conductivity for a single metasurface layer and then consider it in further
analysis of multilayer structures. Description of this method is made by considering an array
of graphene nanodisks as a metasurface. The equivalent conductivity is achieved with the
aid of the polarizability of a graphene nanodisk. This method is further applied to design
graphene-based mid-infrared absorbers, and the results obtained by the equivalent conductivity
method are confirmed by full-wave simulations.
Original language | English |
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Article number | 385106 |
Journal | Journal of Physics D: Applied Physics |
Volume | 48 |
Issue number | 38 |
Number of pages | 6 |
ISSN | 0022-3727 |
DOIs | |
Publication status | Published - 2015 |
Keywords
- Conductivity
- Metasurface
- Graphene
- Absorbance