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Resonance linewidth and inhomogeneous broadening in a metamaterial array

Resonance linewidth and inhomogeneous broadening in a metamaterial array
Resonance linewidth and inhomogeneous broadening in a metamaterial array
We examine the effect of inhomogeneous broadening on the collective response of a planar metamaterial consisting of asymmetric split ring resonators. We show that such a response leads to a transmission resonance that can persist when the broadening of individual meta-atom resonance frequencies is roughly one half the frequency characterizing the split ring asymmetry. We also find that larger degrees of inhomogeneous broadening can drastically alter the cooperative response, destroying this resonance. The reduced effect of cooperative response due to inhomogeneous broadening may find applications in producing metamaterial samples that more closely mimic homogeneous magneto-dielectric medium with well-defined susceptibility and permittivity.
1550-235X
205128
Jenkins, Stewart D.
65d861fb-b85a-4927-805a-7c906fca26c6
Ruostekoski, Janne
2beb155e-64b0-4ee9-9cfe-079947a9c9f4
Jenkins, Stewart D.
65d861fb-b85a-4927-805a-7c906fca26c6
Ruostekoski, Janne
2beb155e-64b0-4ee9-9cfe-079947a9c9f4

Jenkins, Stewart D. and Ruostekoski, Janne (2012) Resonance linewidth and inhomogeneous broadening in a metamaterial array. Physical Review B, 86, 205128. (doi:10.1103/PhysRevB.86.205128).

Record type: Article

Abstract

We examine the effect of inhomogeneous broadening on the collective response of a planar metamaterial consisting of asymmetric split ring resonators. We show that such a response leads to a transmission resonance that can persist when the broadening of individual meta-atom resonance frequencies is roughly one half the frequency characterizing the split ring asymmetry. We also find that larger degrees of inhomogeneous broadening can drastically alter the cooperative response, destroying this resonance. The reduced effect of cooperative response due to inhomogeneous broadening may find applications in producing metamaterial samples that more closely mimic homogeneous magneto-dielectric medium with well-defined susceptibility and permittivity.

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PhysRevB.86.205128.pdf - Version of Record
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More information

Submitted date: 12 September 2012
e-pub ahead of print date: 27 September 2012
Published date: 26 November 2012
Organisations: Applied Mathematics

Identifiers

Local EPrints ID: 343488
URI: http://eprints.soton.ac.uk/id/eprint/343488
ISSN: 1550-235X
PURE UUID: adabfd66-9fa4-428b-a25b-7c84811d5ee4

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Date deposited: 08 Oct 2012 10:54
Last modified: 20 Nov 2021 12:57

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Author: Stewart D. Jenkins

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