Characteristics of an isotropic 3-dimensional left-handed metamaterial composed of wired metallic spheres

被引：10
|
作者：
Sanada, Atsushi [1 ]
机构：
[1] Yamaguchi Univ, Grad Sch Sci & Engn, Yamaguchi 7558611, Japan
来源：
IEICE ELECTRONICS EXPRESS | 2009年 / 6卷 / 11期
关键词：
metamaterials; left-handed materials; negative refractive index; super lens;
D O I：
10.1587/elex.6.689
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：
Electromagnetic wave propagations in a 3-dimensional (3D) left-handed (LH) metamaterial composed of periodic wired metallic spheres are studied numerically. It is shown that the metamaterial supports the dominant 3D LH wave with negative refractive indices. Parametric studies of dependencies of the dispersion characteristics on the unit cell structure are carried out and it is shown that the isotropy can be enhanced by tuning the diagonal wire diameter and the sphere diameters.
引用
收藏
页码：689 / 702
页数：14
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