Design of matched zero-index metamaterials using nonmagnetic inclusions in epsilon-near-zero media
TLDR
In this article, the electrodynamics of metamaterials that consist of resonant non-magnetic inclusions embedded in an epsilon-near-zero (ENZ) host medium are studied and analyzed in detail.Abstract:
In this work, we study the electrodynamics of metamaterials that consist of resonant non-magnetic inclusions embedded in an epsilon-near-zero (ENZ) host medium. It is shown that the inclusions can be designed in such a way that both the effective permittivity and permeability of the composite structure are simultaneously zero. Two different metamaterial configurations are studied and analyzed in detail. For a particular class of problems, it is analytically proven that such matched zero-index metamaterials may help improving the transmission through a waveguide bend, and that the scattering parameters may be completely independent of the specific arrangement of the inclusions and of the granularity of the crystal. The proposed concepts are numerically demonstrated at microwaves with a metamaterial realistic realization based on an artificial plasma.read more
Citations
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Doping of a plate-type acoustic metamaterial
TL;DR: In this paper, a plate-type acoustic metamaterial (PAM) acting as a density-near-zero (DNZ) medium was used to achieve perfect and zero-phase transmission with zero index media.
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Ultracompact electro-optical logic gates based on graphene–silica metamaterial
TL;DR: In this paper, a permittivity-tunable channel composed of alternating layers of graphene and silica was simulated and three basic electro-optical logic gates were proposed and numerically investigated by using the finite element method.
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High-temperature resistant broadband infrared stealth metamaterial absorber
TL;DR: In this paper , a broadband infrared stealth metamaterial absorber based on an improved metal-dielectric-metal structure where its top pattern consists of multi-layers was proposed.
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Corrigendum: Inhomogeneous field in cavities of zero index metamaterials.
TL;DR: The proposed cavity structure herein could be used to manipulate radiation of light, such as enhancing or suppressing radiation, controlling radiation pattern and achieving isotropic or directive radiation, thereby potential applications are expected.
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