Bagnall, D.M., Papakostas, A., Potts, A., Prosvirnin, S.L., Takahashi, S., Zayats, A.V. and Zheludev, N.I.
Planar chiral meta-materials control the polarization state of light in the far-field and nearfield
At Conference on Lasers and Electron Optics (CLEO 2003), Germany.
23 - 27 Jun 2003.
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We have extended our research to the study of near-field polarization effects arising from the planar chirality. The interaction between the neighboring elements in a metallic structure can be visualized with near-field measurements. Coupling between metallic gammadions that gives rise to the scattered electromagnetic field with polarization components different from the polarization state of the incident light can be directly identified. We have also investigated far-field effects in two-dimensional gratings consisting of regular patterns of dielectric gammadions on a silicon substrate.
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