TITLE

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

AUTHOR(S)
Zhaofeng Li; Rongkuo Zhao; Koschny, Thomas; Kafesaki, Maria; Alici, Kamil Boratay; Colak, Evrim; Caglayan, Humeyra; Ozbay, Ekmel; Soukoulis, C. M.
PUB. DATE
August 2010
SOURCE
Applied Physics Letters;8/23/2010, Vol. 97 Issue 8, p081901
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A uniaxial chiral metamaterial is constructed by double-layered four “U” split ring resonators mutually twisted by 90°. 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.
ACCESSION #
53421601

 

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