Planar chiral meta-materials for photonic devices
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We report the first optical results due to the effects of two-dimensional (2D) chirality. Using electron beam lithography we have fabricated arrays of metallic planar chiral structures on dielectric substrates, with characteristic dimensions in the near infra-red, and observed the effects of their chirality on the polarization states of diffracted light. The results showed strong polarization effects, with the handedness of the individual elements having a direct effect on the sense and magnitude of rotation of the diffracted light. We believe such structures could, in the future, form the core of a new class of meta-materials with refractive indices engineered to suit individual optical applications.
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- Planar chiral meta-materials for photonic devices
Journal of Materials Science: Materials in Electronics
Volume 14, Issue 5-7 , pp 393-395
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- Kluwer Academic Publishers
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- 1. Department of Physics and Astronomy, University of Southampton, Highfield, Southampton SO17 1BJ, UK and Department of Electronics and Computer Science, University of Southampton, Highfield, Southampton, SO17 1BJ, UK
- 2. Department of Chemistry, University of Southampton, Highfield, Southampton, SO17 1BJ, UK