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Optical Properties of Planar Chiral Meta-Materials

Published online by Cambridge University Press:  01 February 2011

A. Potts ,
A. Papakostas ,
N.I. Zheludev ,
H.J. Coles ,
R. Greef  and
D.M. Bagnall
A. Potts
Affiliation:
Department of Physics and Astronomy, University of Southampton, Highfield, Southampton SO17 1BJ, UK
A. Papakostas
Affiliation:
Department of Electronics and Computer Science, University of Southampton
N.I. Zheludev
Affiliation:
Department of Physics and Astronomy, University of Southampton, Highfield, Southampton SO17 1BJ, UK
H.J. Coles
Affiliation:
Department of Physics and Astronomy, University of Southampton, Highfield, Southampton SO17 1BJ, UK
R. Greef
Affiliation:
Department of Chemistry, University of Southampton
D.M. Bagnall
Affiliation:
Department of Electronics and Computer Science, University of Southampton
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Abstract

The polarization state of visible light is found to be altered upon reflection from artificial two-dimensional chiral media. Arrays of metallic planar chiral structures were fabricated by electron beam lithography and ion beam milling. The characteristic dimensions on the chiral elements correspond to wavelengths in the near-IR. Our chiral media are found to induce strong polarization effects, with the handedness of individual elements having a direct effect on the sense and magnitude of rotation of the diffracted light.

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References

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