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Coherent meta-magnetics: collective resonances and disorder-induced transitions

Coherent meta-magnetics: collective resonances and disorder-induced transitions
Coherent meta-magnetics: collective resonances and disorder-induced transitions
Artificial materials with a strong magnetic response at high frequencies are becoming increasingly important in a wide range of applications and devices, ranging from super-lenses to NMR sensing. Metamaterials, crystalline ensembles of sub-wavelength resonators, promise to provide magnetic response at prescribed wavelengths over a wide range of the electromagnetic spectrum. Here, we demonstrate that magnetic metamaterials belonging to the recently identified class of coherent metamaterials, exhibit strong magnetization of collective nature that is absent in an isolated unit cell resonator. As a result, this type of metamaterials is extremely sensitive to disorder leading to a rapid disappearance of the resonant magnetization.
Papasimakis, N.
f416bfa9-544c-4a3e-8a2d-bc1c11133a51
Fedotov, V.A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
Fu, Y.H.
dc8fa65a-7e3f-48bb-984a-286c5e471447
Tsai, D.P.
ac188460-c076-41ee-bce4-7aa873f757e3
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Papasimakis, N.
f416bfa9-544c-4a3e-8a2d-bc1c11133a51
Fedotov, V.A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
Fu, Y.H.
dc8fa65a-7e3f-48bb-984a-286c5e471447
Tsai, D.P.
ac188460-c076-41ee-bce4-7aa873f757e3
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Papasimakis, N., Fedotov, V.A., Fu, Y.H., Tsai, D.P. and Zheludev, N.I. (2009) Coherent meta-magnetics: collective resonances and disorder-induced transitions. ICO Photonics 2009, Delphi, Greece. 07 - 09 Oct 2009.

Record type: Conference or Workshop Item (Paper)

Abstract

Artificial materials with a strong magnetic response at high frequencies are becoming increasingly important in a wide range of applications and devices, ranging from super-lenses to NMR sensing. Metamaterials, crystalline ensembles of sub-wavelength resonators, promise to provide magnetic response at prescribed wavelengths over a wide range of the electromagnetic spectrum. Here, we demonstrate that magnetic metamaterials belonging to the recently identified class of coherent metamaterials, exhibit strong magnetization of collective nature that is absent in an isolated unit cell resonator. As a result, this type of metamaterials is extremely sensitive to disorder leading to a rapid disappearance of the resonant magnetization.

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More information

Published date: 7 October 2009
Venue - Dates: ICO Photonics 2009, Delphi, Greece, 2009-10-07 - 2009-10-09

Identifiers

Local EPrints ID: 78944
URI: https://eprints.soton.ac.uk/id/eprint/78944
PURE UUID: 1605e5cb-2ec1-4b2f-a95d-b98d98dc037c
ORCID for N. Papasimakis: ORCID iD orcid.org/0000-0002-6347-6466
ORCID for N.I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

Catalogue record

Date deposited: 18 Mar 2010
Last modified: 07 Nov 2019 01:39

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Contributors

Author: N. Papasimakis ORCID iD
Author: V.A. Fedotov
Author: Y.H. Fu
Author: D.P. Tsai
Author: N.I. Zheludev ORCID iD

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