Synthesis of Artificial Magnetic Conductors by Using Multilayered Frequency Selective Surfaces

被引：56

作者：

Monorchio, Agostino ^{[1
]}

Manara, Giuliano ^{[1
]}

Lanuzza, Luigi ^{[1
]}

机构：

[1] Univ Pisa, Dept Informat Engn, I-56126 Pisa, Italy

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2002年 / 1卷

关键词：

Artificial magnetic conductors; frequency selective surfaces; genetic algorithms; metamaterials; photonic bandgap;

D O I：

10.1109/LAWP.2002.807956

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this letter, the combination of a multilayered dielectric structure, a capacitive frequency selective surface (FSS) and a perfectly electric conducting (PEC) ground plane is proposed for realizing high-impedance surfaces. These surfaces behave like an artificial magnetic conductor (AMC) in a specific frequency range; the inclusion of the dielectric layers allows us to enhance the angular properties of the AMC as well as the frequency bandwidth of the device. In order to obtain the proper values of the design parameters, a genetic algorithm (GA) is employed that makes use of an electromagnetic solver based on the method of moments (MoM) to evaluate the scattering properties of the structure. A key step in the design procedure is the inclusion in the fitness function of the electromagnetic response of the high-impedance surface with respect to the illumination angle. The synthesized structure shows the desired frequency performance and reveals robust as concerns the stability of the solution with respect to a wide interval of illumination angles.

引用

页码：196 / 199

页数：4

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