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
收藏
页码：S361 / S365
页数：5
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