Physics – Optics
Scientific paper
2009-07-06
Phys. Rev. B 79, 121104(R) (2009)
Physics
Optics
Scientific paper
10.1103/PhysRevB.79.121104
We demonstrate experimentally and numerically that metamaterials based on bilayer cross wires give giant optical activity, circular dichroism, and negative refractive index. The presented chiral design offers a much simpler geometry and more efficient way to realize negative refractive index at any frequency. We also developed a retrieval procedure for chiral materials which works successfully for circularly polarized waves.
Dong Jianfeng
Kafesaki Maria
Koschny Thomas
Soukoulis Costas M.
Zhou Jiangfeng
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