Metamaterials with negative permeability and negative refractive index: experiments and simulations

被引：45
|
作者：
Ozbay, Ekmel [1 ]
Guven, Kaan
Aydin, Koray
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 Engn & Elect, TR-06800 Ankara, Turkey
来源：
JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS | 2007年 / 9卷 / 09期
关键词：
metamaterial; left-handed material; split-ring resonator; negative permeability; negative refraction; negative phase velocity; disorder; impedance matching;
D O I：
10.1088/1464-4258/9/9/S04
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report the transmission characteristics of split-ring resonator and left-handed metamaterials (LHM) in the microwave frequency regime. A left-handed transmission band is observed at the frequencies where both dielectric permittivity and magnetic permeability are negative. The reflection characteristics of ordered and disordered LHMs are studied. The two-dimensional LHM structure is verified to have a negative refractive index. We employed three different methods to observe negative refraction: the beam shift method, refraction through wedge-shaped negative-index metamaterial, and phase-shift experiments.
引用
收藏
页码：S301 / S307
页数：7
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