Planar metamaterial with transmission and reflection that depend on the direction of incidence

@article{Plum2009PlanarMW,
  title={Planar metamaterial with transmission and reflection that depend on the direction of incidence},
  author={Eric Plum and Vassili A. Fedotov and Nikolay I. Zheludev},
  journal={Applied Physics Letters},
  year={2009},
  volume={94},
  pages={131901}
}
We report that normal incidence reflection and transmission of circularly polarized electromagnetic waves from and through planar split-ring microwave metamaterials with chiral symmetry breaking depends on the incidence direction and handedness of circular polarization. The effect has a resonant nature and is linked to the lack of mirror symmetry in the metamaterial pattern leading to a polarization-sensitive excitation of electric and magnetic dipolar responses in the meta-molecules. It has… 

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