Microwave evaluationof effective electromagnetic properties of metal-Dielectric metamaterial with spherical inclusions

被引：0
|
作者：
Rybin O.N. [1 ]
Pitafi A.I. [2 ]
机构：
[1] Kharkov State University of Food Technology and Trade, Kharkiv, 61051, 333, Klochkovskaya St
[2] Center for Advanced Studies in Pure and Applied Mathematics, Bahauddin Zakariya University, Multan
来源：
Telecommunications and Radio Engineering (English translation of Elektrosvyaz and Radiotekhnika) | 2011年 / 70卷 / 18期
关键词：
Effective medium theory; Enhancement of the effective permittivity; Finite-difference time-domain method; Metamaterials; Microwave;
D O I：
10.1615/TelecomRadEng.v70.i18.10
中图分类号：
学科分类号：
摘要：
An analytical modeling and numerical analysis of the effective electromagnetic response of two-component metamaterial medium with spherical metallic inclusions is presented. Calculationshave been made within the microwave frequency range. The analytical modeling has been done using two different modified mathematical models of the complex relative permittivity and permeability for unbounded composite medium with spherical inclusions. Numericalsimulations of the above mentioned parameters have been made using S-parameters obtained from Finite-Difference Time-Domain technique. The numerical simulation has been carried out for different radii of the inclusions. Remarkable coincidence between analytical and numericalresults was found. The enhancement of effective relative permittivity and refractive index of the considered composite has been observed. Recommendations for the practical application of presented artificial material for designing microwave patch antennas have shortly beendiscussed. © 2011 by Begell House, Inc.
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页码：1607 / 1615
页数：8
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