Chiral metamaterials with negative refractive index based on four "U" split ring resonators
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2010-08-23
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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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Applied Physics Letters
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American Institute of Physics
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English