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Chiral metamaterial with unit negative refraction index

Published online by Cambridge University Press:  19 September 2008

I. V. Semchenko*
Affiliation:
Department of General Physics and Department of Optics, Gomel State University, Sovyetskaya Str. 104, 246019 Gomel, Belarus
S. A. Khakhomov
Affiliation:
Department of General Physics and Department of Optics, Gomel State University, Sovyetskaya Str. 104, 246019 Gomel, Belarus
S. A. Tretyakov
Affiliation:
Department of Radio Science and Engineering/SMARAD, Center of Excellence, Helsinki University of Technology, PO 3000, 02015 TKK, Finland
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Abstract

In this article we study helical inclusions of a certain shape (called the “optimal shape”), such that the electric, magnetic, and magneto-electric polarizabilities are equal, and discuss unusual refractive and absorptive properties of artificial chiral materials based on such inclusions. We propose a new method of analytical calculation of resonant susceptibility of non-canonical, but true three-dimensional spirals. This method takes into account spiral trajectories and effective concentration of conduction electrons.

Keywords

Type
Research Article
Copyright
© EDP Sciences, 2009

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