Planar metamaterial with transmission and reflection that depend on the direction of incidence
Planar metamaterial with transmission and reflection that depend on the direction of incidence
We report that normal incidence reflection and transmission of circularly polarized electromagnetic waves from and through planar split-ring microwave metamaterials with chiral symmetry breaking depends on the incidence direction and handedness of circular polarization. The effect has a resonant nature and is linked to the lack of mirror symmetry in the metamaterial pattern leading to a polarization-sensitive excitation of electric and magnetic dipolar responses in the meta-molecules. It has striking phenomenological resemblance with the reflective circular dichroism of high-temperature "anyon" superconductors.
Plum, E.
50761a26-2982-40df-9153-7aecc4226eb5
Fedotov, V.A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
30 March 2009
Plum, E.
50761a26-2982-40df-9153-7aecc4226eb5
Fedotov, V.A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Plum, E., Fedotov, V.A. and Zheludev, N.I.
(2009)
Planar metamaterial with transmission and reflection that depend on the direction of incidence.
Applied Physics Letters, 94 (13), [131901].
(doi:10.1063/1.3109780).
Abstract
We report that normal incidence reflection and transmission of circularly polarized electromagnetic waves from and through planar split-ring microwave metamaterials with chiral symmetry breaking depends on the incidence direction and handedness of circular polarization. The effect has a resonant nature and is linked to the lack of mirror symmetry in the metamaterial pattern leading to a polarization-sensitive excitation of electric and magnetic dipolar responses in the meta-molecules. It has striking phenomenological resemblance with the reflective circular dichroism of high-temperature "anyon" superconductors.
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Published date: 30 March 2009
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Local EPrints ID: 78873
URI: http://eprints.soton.ac.uk/id/eprint/78873
ISSN: 0003-6951
PURE UUID: 41153b83-c812-48c7-88f3-2637ba52ddc6
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Date deposited: 15 Mar 2010
Last modified: 14 Mar 2024 02:54
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Author:
V.A. Fedotov
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