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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2007-12-11
Electromagnetic Scattering from Two Eccentric Metamaterial Cylinders with Frequency-Dependent Permittivities Differing Slightly Each Other
By
Constantinos Valagiannopoulos

    Prof. Constantinos Valagiannopoulos

    Physics

    Nazarbayev University

    Kazakhstan

    Homepage

Progress In Electromagnetics Research B, Vol. 3, 23-34, 2008
doi:10.2528/PIERB07112906 | Google Scholar

Abstract
The interaction between a metamaterial cylindrical structure and an incident plane wave is investigated. The structure is comprised of two cylinders, one embedded into the other, whose effective characteristics vary with the operating frequency following similar laws. Such a model can be used to describe periodic structures, constituting metamaterials, with slightly different features. The well-known eigenfunction expansions are adopted, while the boundary conditions are manipulated with help of the translation theorem for cylindrical coordinates. A first-order perturbation solution is obtained leading to simple and computationally efficient formulas. The fluctuations of near-field and far-field responses with respect to the position of the internal cylinder, the permittivities and the frequency are observed and discussed.
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Citation
Constantinos Valagiannopoulos, "Electromagnetic Scattering from Two Eccentric Metamaterial Cylinders with Frequency-Dependent Permittivities Differing Slightly Each Other," Progress In Electromagnetics Research B, Vol. 3, 23-34, 2008.
doi:10.2528/PIERB07112906
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