Diatoms as living photonic crystals

@article{Fuhrmann2004DiatomsAL,
  title={Diatoms as living photonic crystals},
  author={T. Fuhrmann and S. Landwehr and M. El Rharbi-Kucki and M. Sumper},
  journal={Applied Physics B},
  year={2004},
  volume={78},
  pages={257-260}
}
We present an analysis of the optical structure of a representative diatom, Coscinodiscus granii. The silica cell wall can be regarded as a photonic crystal slab waveguide with moderate refractive-index contrast. In a cell, at least two different patterns are found: a hexagonal array of pores with a large lattice constant in the valve, and a square array of holes with a small lattice constant in the girdle. It is demonstrated that light can be coupled into the waveguide and that there are some… Expand
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