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Planar electromagnetic metamaterial with a fish scale structure

Planar electromagnetic metamaterial with a fish scale structure
Planar electromagnetic metamaterial with a fish scale structure
We report on a continuous electromagnetic metal planar metamaterial, which resembles a "fish scale" structure. Apart from the one isolated wavelength, it is highly transparent to electromagnetic radiation throughout a broad spectral range and becomes completely "invisible" at some frequency inflicting no transmission losses and phase delay. When the structure is superimposed on a metallic mirror it becomes a good broadband reflector everywhere apart from one wavelength where the reflectivity is small. At this wavelength the reflected wave shows no phase change with respect to the incident wave, thus resembling a reflection from a hypothetical zero refractive index material, or "magnetic wall." We also discovered that the structure acts as a local field concentrator and a resonant "amplifier" of losses in the underlying dielectric.
1539-3755
056613-[4pp]
Fedotov, V.A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
Mladyonov, P.L.
eb060f33-20dc-4a62-9698-1ea0b9e9f548
Prosvirnin, S.L.
a12695af-60fb-46bd-a711-032547ce8167
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Fedotov, V.A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
Mladyonov, P.L.
eb060f33-20dc-4a62-9698-1ea0b9e9f548
Prosvirnin, S.L.
a12695af-60fb-46bd-a711-032547ce8167
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Fedotov, V.A., Mladyonov, P.L., Prosvirnin, S.L. and Zheludev, N.I. (2005) Planar electromagnetic metamaterial with a fish scale structure. Physical Review E, 72 (5), 056613-[4pp]. (doi:10.1103/PhysRevE.72.056613).

Record type: Article

Abstract

We report on a continuous electromagnetic metal planar metamaterial, which resembles a "fish scale" structure. Apart from the one isolated wavelength, it is highly transparent to electromagnetic radiation throughout a broad spectral range and becomes completely "invisible" at some frequency inflicting no transmission losses and phase delay. When the structure is superimposed on a metallic mirror it becomes a good broadband reflector everywhere apart from one wavelength where the reflectivity is small. At this wavelength the reflected wave shows no phase change with respect to the incident wave, thus resembling a reflection from a hypothetical zero refractive index material, or "magnetic wall." We also discovered that the structure acts as a local field concentrator and a resonant "amplifier" of losses in the underlying dielectric.

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Submitted date: 29 April 2005
Published date: 30 November 2005

Identifiers

Local EPrints ID: 28691
URI: https://eprints.soton.ac.uk/id/eprint/28691
ISSN: 1539-3755
PURE UUID: 0ce24d7b-8bae-4cf2-9ce6-83fc21f792e1
ORCID for N.I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

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Date deposited: 04 May 2006
Last modified: 03 Dec 2019 02:03

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Contributors

Author: V.A. Fedotov
Author: P.L. Mladyonov
Author: S.L. Prosvirnin
Author: N.I. Zheludev ORCID iD

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