Chiral metamaterials with negative refractive index based on four "U" split ring resonators
Date
2010-08-23
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Source Title
Applied Physics Letters
Print ISSN
0003-6951
Electronic ISSN
Publisher
American Institute of Physics
Volume
97
Issue
8
Pages
081901-1 - 081901-3
Language
English
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Journal Title
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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.
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Keywords
Circular dichroism , Circularly polarized waves , Negative refractive index , Numerical results , Optical activity , Split ring resonator , Dichroism , Electronic equipment , Light refraction , Metamaterials , Numerical analysis , Optical resonators , Refractometers , Stereochemistry , Refractive index