Journal
OPTICS CONTINUUM
Volume 2, Issue 4, Pages 801-809Publisher
Optica Publishing Group
DOI: 10.1364/OPTCON.480940
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Realistic lumped-element circuits are used to describe split-ring resonator metasurfaces and their complementary forms. By considering the symmetry of the meta-atoms with respect to the impinging electric field, the polarization dependence is taken into account. This approach allows for the description of circuital architectures in real metasurfaces, including the effect of Ohmic dissipation. The lumped-element models provide a simple way to describe features like enhanced transmission and deep absorption observed in metasurfaces and complementary metasurfaces based on split-ring resonators.
Realistic lumped-element circuits describing split-ring resonator metasurfaces and their complementary forms are presented. To consider the polarization dependence, we exploit the symmetry of the meta-atoms with respect to the impinging electric field. Our approach enables to describe the circuital architectures including the effect of Ohmic dissipation in real metasurfaces. Lumped-element models describes in a simple way features like enhanced transmission and deep absorption that are observed in metasurfaces and complementary metasurfaces based on split-r ing resonators. (c) 2023 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
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