Symmetry properties of metamaterials at oblique incidence
Date
2013
Authors
Kruk, Sergey
Decker, Manuel
Helgert, Christian
Staude, Isabelle
Menzel, C
Powell, David
Etrich, Christoph
Rockstuhl, C
Pertsch, Thomas
Neshev, Dragomir
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IEEE
Abstract
We compare, both experimentally and theoretically, metamaterials with three different symmetries: square lattice, hexagonal lattice, and quasicrystalline Penrose tiling. By relying on an advanced Jones calculus, we link the symmetry properties to the far-field optical response, such as ellipticity and circular dichroism, as the incident angle is varied. We show that hexagonal lattice metamaterials, when compared to the square ones, exhibit less circular dichroism and ellipticity due to their higher symmetry. Furthermore, we show that in contrast to periodic metamaterials, quasicrystalline metamaterials inhibit ellipticity and circular dichroism and open a new route to isotropy in metamaterials at oblique incidence.
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Source
Metamaterials 2013 Bordeaux Scientific Program and Proceedings
Type
Conference paper
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DOI
10.1109/MetaMaterials.2013.6809001
Restricted until
2037-12-31