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Optical activity in extrinsically chiral metamaterial

By E. Plum, V.A. Fedotov and N.I. Zheludev


We demonstrate optical activity in an intrinsically non-chiral anisotropic planar metamaterial. The phenomenon is due to extrinsic chirality resulting from the mutual orientation of the metamaterial structure and the incident electromagnetic wave. The polarization effect, which has a resonant nature, features a spectral band where linear birefringence is practically absent and can be easily tuned by tilting the plane of the metamaterial relative to the incident beam

Topics: QC, TK
Year: 2008
OAI identifier: oai:eprints.soton.ac.uk:65831
Provided by: e-Prints Soton

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