Equivalent circuit of the double-fishnet metamaterial

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Authors

Colleges, School and Institutes

External organisations

  • Universidad Pública de Navarra

Abstract

In this paper, an equivalent circuit for the fishnet metamaterial of two stacked holey metallic layers it is shown. All lumped elements of the circuit are extracted from a full physical interpretation of its electrodynamics when the structure is excited with a normally incident plane wave. Besides the well known LC parallel tank that accounts for the transmission through a single subwavelength hole array, the coupling between the layers is modeled as another LC series tank which is also related with the non-propagating higher order modes. The effective index of refraction and the scattering parameters retrieved from the proposed circuit matches remarkably the one obtained from full-wave numerical calculations. The importance of the extraordinary transmission (ET) phenomenon in the electromagnetic behavior of the fishnet metamaterial is shown as well.

Details

Original languageEnglish
Title of host publicationIEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
Publication statusPublished - 2013
Event2013 IEEE Antennas and Propagation Society International Symposium, APSURSI 2013 - Orlando, FL, United States
Duration: 7 Jul 201313 Jul 2013

Conference

Conference2013 IEEE Antennas and Propagation Society International Symposium, APSURSI 2013
CountryUnited States
CityOrlando, FL
Period7/07/1313/07/13

ASJC Scopus subject areas