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Open AccessArticle

Multipoles of Even/Odd Split-Ring Resonators

Department of Electrical and Computer Engineering, University of California San Diego, La Jolla, CA 92093-0407, USA
Author to whom correspondence should be addressed.
Photonics 2015, 2(3), 883-892;
Received: 28 June 2015 / Accepted: 28 July 2015 / Published: 5 August 2015
(This article belongs to the Special Issue New Frontiers in Plasmonics and Metamaterials)
PDF [1648 KB, uploaded 5 August 2015]


The ultimate goal of metamaterial engineering is to have complete control over the electromagnetic constitutive parameters in three-dimensional space. This engineering can be done by considering either single meta-atoms or full meta-arrays. We follow the first route and perform numerical simulations of split-ring resonators, with different gap numbers and under varying illumination scenarios, to investigate their individual multipolar scattering response. For the fundamental resonance, we observe that odd-gap rings always exhibit overlapping electric and magnetic dipole responses while even-gap rings only exhibit that behavior accidentally. We expect our results to foster progress in the engineering of three-dimensional disordered metamaterials. View Full-Text
Keywords: metamaterial; multipole; symmetry; random metamaterial; multipole; symmetry; random

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Chen, A.; Kodigala, A.; Lepetit, T.; Kanté, B. Multipoles of Even/Odd Split-Ring Resonators. Photonics 2015, 2, 883-892.

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