High negative refractive index in chiral metamaterials

被引：29
|
作者：
Panpradit, W. [1 ]
Sonsilphong, A. [1 ]
Soemphol, C. [1 ]
Wongkasem, N. [1 ]
机构：
[1] Khon Kaen Univ, Fac Engn, Dept Elect Engn, Metasolver Lab, Khon Kaen 40002, Thailand
来源：
JOURNAL OF OPTICS | 2012年 / 14卷 / 07期
关键词：
chiral; negative refractive index; metamaterials;
D O I：
10.1088/2040-8978/14/7/075101
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Conjugated bi-layer C-8 metamaterials are proposed. Chirality and refractive index can be controlled effectively by the structure geometry. Extreme chirality results in a high negative refractive index for both right- and left-circular polarized excitations. The conjugated bi-layer C-8 structures are fabricated and tested in microwave regimes. The measurement results are in good agreement with the simulation results. These proposed structures are additional promising candidates for high negative refractive index metamaterials which will facilitate different applications.
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页数：14
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