Negative-index bianisotropic photonic metamaterial fabricated by direct laser writing and silver shadow evaporation.

@article{Rill2009NegativeindexBP,
  title={Negative-index bianisotropic photonic metamaterial fabricated by direct laser writing and silver shadow evaporation.},
  author={M. Rill and C. E. Kriegler and M. Thiel and G. von Freymann and S. Lind{\'e}n and M. Wegener},
  journal={Optics letters},
  year={2009},
  volume={34 1},
  pages={
          19-21
        }
}
  • M. Rill, C. E. Kriegler, +3 authors M. Wegener
  • Published 2009
  • Materials Science, Physics, Medicine
  • Optics letters
  • We present the blueprint for a novel negative-index metamaterial. This structure is fabricated via three-dimensional two-photon direct laser writing and silver shadow evaporation. The comparison of measured linear optical spectra with theory shows good agreement and reveals a negative real part of the refractive index at around 3.85 microm wavelength -- despite the fact that the metamaterial structure is bianisotropic owing to the lack of inversion symmetry along its surface normal. 
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