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@ARTICLE{Wilts:21163,
      author       = {Wilts, B.D. and Michielsen, K. and De Raedt, H. and
                      Stavenga, D.G.},
      title        = {{H}emispherical {B}rillouin zone imaging of a diamond-type
                      biological photonic crystal},
      journal      = {Interface},
      volume       = {9},
      issn         = {1742-5689},
      address      = {London},
      publisher    = {The Royal Society},
      reportid     = {PreJuSER-21163},
      pages        = {1609 - 1614},
      year         = {2012},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The brilliant structural body colours of many animals are
                      created by three-dimensional biological photonic crystals
                      that act as wavelength-specific reflectors. Here, we report
                      a study on the vividly coloured scales of the diamond
                      weevil, Entimus imperialis. Electron microscopy identified
                      the chitin and air assemblies inside the scales as domains
                      of a single-network diamond (Fd3m) photonic crystal. We
                      visualized the topology of the first Brillouin zone (FBZ) by
                      imaging scatterometry, and we reconstructed the complete
                      photonic band structure diagram (PBSD) of the chitinous
                      photonic crystal from reflectance spectra. Comparison with
                      calculated PBSDs indeed showed a perfect overlap. The unique
                      method of non-invasive hemispherical imaging of the FBZ
                      provides key insights for the investigation of photonic
                      crystals in the visible wavelength range. The characterized
                      extremely large biophotonic nanostructures of E. imperialis
                      are structurally optimized for high reflectance and may thus
                      be well suited for use as a template for producing novel
                      photonic devices, e.g. through biomimicry or direct
                      infiltration from dielectric material.},
      keywords     = {Animals / Beetles: chemistry / Beetles: ultrastructure /
                      Chitin: chemistry / Chitin: ultrastructure / Microscopy,
                      Electron / Nanostructures: chemistry / Nanostructures:
                      ultrastructure / Pigmentation / Chitin (NLM Chemicals)},
      cin          = {JSC},
      ddc          = {500},
      cid          = {I:(DE-Juel1)JSC-20090406},
      pnm          = {Scientific Computing (FUEK411) / 411 - Computational
                      Science and Mathematical Methods (POF2-411)},
      pid          = {G:(DE-Juel1)FUEK411 / G:(DE-HGF)POF2-411},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:22188768},
      pmc          = {pmc:PMC3367810},
      UT           = {WOS:000304437400017},
      doi          = {10.1098/rsif.2011.0730},
      url          = {https://juser.fz-juelich.de/record/21163},
}