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Transmission properties and effective electromagnetic parameters of double negative metamaterials
Author(s) -
P. Markoš,
Costas M. Soukoulis
Publication year - 2003
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.11.000649
Subject(s) - metamaterial , permittivity , negative refraction , optics , refractive index , polarization (electrochemistry) , electromagnetic radiation , physics , transfer matrix , transmission coefficient , transformation optics , materials science , transmission (telecommunications) , dielectric , optoelectronics , telecommunications , computer science , chemistry , computer vision
We analyze the transmission properties of double negative metamaterials (DNM). Numerical simulations, based on the transfer matrix algorithm, show that some portion of the electromagnetic wave changes its polarization inside the DNM structure. As the transmission properties depend strongly on the polarization, this complicates the interpretation of experimental and numerical data, both inside and outside of the pass band. From the transmission data, the effective permittivity, permeability and refractive index are calculated. In the pass band, we found that the real part of permeability and both the real and the imaginary part of the permittivity are negative. Transmission data for some new structures are also shown. Of particular interest is the structure with cut wires, which possesses two double negative pass bands.

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