Metasurfaces are thin metamaterial layers characterized by unusual reflection properties of plane waves and/or dispersion properties of surface/guided wave. Metasurfaces can be described through a surface impedance boundary condition; the impedance, possibly tensorial, can vary from place to place (by design) on the surface. We introduce a full-wave method, based on an integral equation formulation, to analyze tensorial metasurfaces with anisotropic behavior. Strategies for a numerical solution of the problem are investigated, with special attention to continuity and regularity issues which play a crucial role. © 2013 EurAAP.
Francavilla, M.A., Martini, E., Vipiana, F., Maci, S., Vecchi, G. (2013). Numerical simulation of tensorial impedance metasurfaces. In 2013 7th European Conference on Antennas and Propagation, EuCAP 2013 (pp.3937-3938). New York : IEEE.
Numerical simulation of tensorial impedance metasurfaces
Francavilla, M. A.;Martini, E.;Maci, S.;Vecchi, G.
2013-01-01
Abstract
Metasurfaces are thin metamaterial layers characterized by unusual reflection properties of plane waves and/or dispersion properties of surface/guided wave. Metasurfaces can be described through a surface impedance boundary condition; the impedance, possibly tensorial, can vary from place to place (by design) on the surface. We introduce a full-wave method, based on an integral equation formulation, to analyze tensorial metasurfaces with anisotropic behavior. Strategies for a numerical solution of the problem are investigated, with special attention to continuity and regularity issues which play a crucial role. © 2013 EurAAP.
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https://hdl.handle.net/11365/1026837