A periodic dipole array built on magnetized ferrite could provide a tunable DNG metamaterial?

Lavdas Spyros, Panagiotis Tsompanis, Christos Lavranos, George Kyriacou, John Sahalos

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The basic idea proposed herein refers to the establishment of a negative refractive index by exploiting natural media with either a negative permeability or a negative permittivity. For this purpose magnetized ferrites or multiferroics are utilized in conjunction with periodic resonant electric dipoles. Likewise, magnetized cryogenic-solid state plasmas could be used with a periodic array of resonant magnetic dipoles such as split-rings. Intuitively it is expected that these natural media should be operating at their surface or leaky wave modes (possibly magnetostatic modes) and losses should be taken into account in order to preserve negative permeability (or permittivity) within a thin air sheet above their surface. These challenging questions will be addressed herein employing an eigenanalysis.

Original languageEnglish
Title of host publicationProceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012
Pages1407-1411
Number of pages5
DOIs
Publication statusPublished - 2012
Event6th European Conference on Antennas and Propagation, EuCAP 2012 - Prague, Czech Republic
Duration: 26 Mar 201230 Mar 2012

Other

Other6th European Conference on Antennas and Propagation, EuCAP 2012
Country/TerritoryCzech Republic
CityPrague
Period26/03/1230/03/12

Keywords

  • finite difference frequency domain
  • magnetized ferrite
  • negative refraction
  • periodic dipole arrays
  • tunable double negative metamaterials

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