Bilayer metamaterial: analysis of left-handed transmission and retrieval of effective medium parameters

被引：11

作者：

Guven, K. ^{[1
]}

Cakmak, A. O.

Caliskan, M. D.

Gundogdu, T. F.

Kafesaki, M.

Soukoulis, C. M.

Ozbay, E.

机构：

[1] Bilkent Univ, Nanotechnol Res Ctr, TR-06800 Ankara, Turkey

[2] Bilkent Univ, Dept Phys, TR-06800 Ankara, Turkey

[3] Bilkent Univ, Dept Elect & Elect Engn, TR-06800 Ankara, Turkey

[4] Fdn Res & Technol Hellas FORTH, GR-71110 Iraklion, Greece

[5] Iowa State Univ, Ames Lab, Ames, IA 50011 USA

[6] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA

来源：

JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS | 2007年 / 9卷 / 09期

关键词：

metamaterial; negative index; split-ring resonator; negative refraction;

D O I：

10.1088/1464-4258/9/9/S13

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report an experimental and numerical analysis of a planar metamaterial designed for normal-to-plane propagation, and operating at microwave frequencies. The metamaterial consists of cutwire and wire patterns, which are arranged periodically on both sides of a dielectric layer, in the form of a bilayer. The left-handed transmission band of the metamaterial is demonstrated experimentally. The effective index of refraction retrieved from the S parameters is found to be negative within this transmission band. An independent negative refraction experiment supports the existence of the negative index of refraction for the metamaterial.

引用

页码：S361 / S365

页数：5

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