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The image-forming mirror in the eye of the scallop
Palmer, B.A.; Taylor, G.J.; Brumfeld, V.; Gur, D.; Shemesh, M.; Elad, N.; Osherov, A.; Oron, D.; Weiner, S.; Addadi, L. (2017). The image-forming mirror in the eye of the scallop. Science (Wash.) 358(6367): 1172-1175. https://dx.doi.org/10.1126/science.aam9506
In: Science (Washington). American Association for the Advancement of Science: New York, N.Y. ISSN 0036-8075; e-ISSN 1095-9203, meer
Peer reviewed article  
Beschikbaar in  Auteurs 
Auteurs  Top 
  • Palmer, B.A.
  • Taylor, G.J.
  • Brumfeld, V.
  • Gur, D.
  • Shemesh, M.
  • Elad, N.
  • Osherov, A.
  • Oron, D.
  • Weiner, S.
  • Addadi, L.
Abstract
    Scallops possess a visual system comprising up to 200 eyes, each containing a concave mirror rather than a lens to focus light. The hierarchical organization of the multilayered mirror is controlled for image formation, from the component guanine crystals at the nanoscale to the complex three-dimensional morphology at the millimeter level. The layered structure of the mirror is tuned to reflect the wavelengths of light penetrating the scallop’s habitat and is tiled with a mosaic of square guanine crystals, which reduces optical aberrations. The mirror forms images on a double-layered retina used for separately imaging the peripheral and central fields of view. The tiled, off-axis mirror of the scallop eye bears a striking resemblance to the segmented mirrors of reflecting telescopes.
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