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Metamaterial tuning by manipulation of near-field interaction


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Author: Powell, David A.
Lapine, Mikhail
Gorkunov, Maxim V.
Shadrivov, Ilya V.
Kivshar, Yuri S.
Department: Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo
Date: 2010
Published in: Physical Review B - Condensed Matter and Materials Physics, 82 (15), 155128.
Document type: Article
Abstract: We analyze the near-field interaction between the resonant subwavelength elements of a metamaterial and present a method to calculate the electric and magnetic interaction coefficients. We show that by adjusting the relative configuration of the neighboring split ring resonators it becomes possible to manipulate this near-field interaction, and thus tune the response of metamaterials. We use the results of this analysis to explain the experimentally observed tuning of microwave metamaterials.
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