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Optical reflectance and transmittance of photonic polycrystalline structures from living organisms
Vigneron, J.P.; Bay, A.; Colomer, J.-F.; Van Hooijdonk, E.; Simonis, P. (2012). Optical reflectance and transmittance of photonic polycrystalline structures from living organisms, in: Liang, R. (Ed.) The nature of light: light in nature IV. Proceedings of SPIE, the International Society for Optical Engineering, 8480: pp. 84800H. https://hdl.handle.net/10.1117/12.928178
In: Liang, R. (Ed.) (2012). The nature of light: light in nature IV. Proceedings of SPIE, the International Society for Optical Engineering, 8480. International Society for Optical Engineering: Washington. ISBN 9780819491978. [diff. pag.] pp., more
In: Proceedings of SPIE, the International Society for Optical Engineering. SPIE: Bellingham, WA. ISSN 0277-786X; e-ISSN 1996-756X, more
Peer reviewed article  

Available in  Authors 
Document type: Conference paper

Authors  Top 
  • Vigneron, J.P.
  • Bay, A.
  • Colomer, J.-F.
  • Van Hooijdonk, E.
  • Simonis, P.

Abstract
    Scales from specific weevils, longhorns and butterflies have been shown to internally contain a photonic structure that can be described as the agglomeration of photonic crystallites. Usually, the same local photonic structure is found in all crystallites, with different orientations. This distribution is investigated by analysing a large amount of fractured scales. The visual effects produced by fractioning the photonic-crystal into the aggregation of reoriented photonic crystallites can be, for increasing disorder, (1) the loss of iridescence and the loss of metallicity for diffuse coloration, (2) the loss of coloration.

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