Chiral metamaterials with negative refractive index based on four "U" split ring resonators

被引：189

作者：

Li, Zhaofeng ^{[1
,2
]}

Zhao, Rongkuo ^{[3
,4
,5
]}

Koschny, Thomas ^{[3
,4
,6
,7
]}

Kafesaki, Maria ^{[6
,7
]}

Alici, Kamil Boratay ^{[1
,2
]}

Colak, Evrim ^{[1
,2
]}

Caglayan, Humeyra ^{[1
,2
]}

Ozbay, Ekmel ^{[1
,2
,8
]}

Soukoulis, C. M. ^{[3
,4
,6
,7
]}

机构：

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

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

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

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

[5] Beijing Normal Univ, Dept Phys, Appl Opt Beijing Area Major Lab, Beijing 100875, Peoples R China

[6] Univ Crete, FORTH, Inst Elect Struct & Laser, Iraklion 71110, Crete, Greece

[7] Univ Crete, Dept Mat Sci & Technol, Iraklion 71110, Crete, Greece

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

来源：

APPLIED PHYSICS LETTERS | 2010年 / 97卷 / 08期

关键词：

D O I：

10.1063/1.3457448

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A uniaxial chiral metamaterial is constructed by double-layered four "U" split ring resonators mutually twisted by 90 degrees. It shows a giant optical activity and circular dichroism. The retrieval results reveal that a negative refractive index is realized for circularly polarized waves due to the large chirality. The experimental results are in good agreement with the numerical results. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3457448]

引用

页数：3

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