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Applied Physics A

, 125:153 | Cite as

Revised homogenization for two-component metamaterial with non-magnetic metallic cylindrical inclusions

  • Oleg RybinEmail author
  • Sergey Shulga
Article
  • 6 Downloads

Abstract

Electromagnetic response of the 2-D metamaterial as the regular lattice of infinitely long circular non-magnetic metallic inclusions periodically embedded in a host dielectric material was carried out in the frequency range up to THz frequencies. It has been shown that such a metamaterial behaves like an ultra-low index homogenous material in some frequency range containing the frequencies at which the electric and magnetic resonances are excited. The resonances give rise to the electric and magnetic dipole moments. Averaging of these dipole moments over the volumes of unit cell of the metamaterial enables to derive the expressions of complex effective relative permittivity and permeability of the metamaterial. In some partial cases, the derived expressions are rather very close to microwave approximations of the effective parameters obtained earlier by other authors for the frequencies up to GHz frequencies. Numerical validation of the derived effective parameters is also preformed by making the full-wave simulation using a finite-difference time-domain software.

Notes

Acknowledgements

The authors would like to acknowledge Dr. Georgios Zouganelis for his encouragement and advice during the research that underlies this study. The authors would also like to acknowledge Ms. Julia Rybin for her help in preparing the manuscript.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.V.N. Kharkiv Karazin National UniversityKharkivUkraine

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