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Proceedings Paper

Natural layer-by-layer photonic structure in the scales of Hoplia coerulea (Coleoptera)
Author(s): Jean Pol Vigneron; Virginie Lousse; Jean-François Colomer; Nathalie Vigneron
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Paper Abstract

Hoplia coerulea is known for its spectacular blue-violet iridescence. The blue coloration is caused by the presence of a photonic structure inside the scales which cover the dorsal parts of the insect's body, including the head, the thorax, and the wing cases. The structure can be described by a stack of chitin plates wearing arrays of parallel rods. This arrangement leads to a multilayer structure which only uses a single solid material. The shift of the reflected wavelength to the ultraviolet (passing through violet iridescence) is described and explained on the basis of the optical properties of this structured metamaterial.

Paper Details

Date Published: 14 August 2006
PDF: 5 pages
Proc. SPIE 6285, The Nature of Light: Light in Nature, 628506 (14 August 2006); doi: 10.1117/12.682239
Show Author Affiliations
Jean Pol Vigneron, Facultés Univ. Notre-Dame de la Paix (Belgium)
Virginie Lousse, Facultés Univ. Notre-Dame de la Paix (Belgium)
Stanford Univ. (United States)
Jean-François Colomer, Facultés Univ. Notre-Dame de la Paix (Belgium)
Nathalie Vigneron, Ludwig Institute for Cancer Research (Belgium)
Yale Univ. (United States)

Published in SPIE Proceedings Vol. 6285:
The Nature of Light: Light in Nature
Katherine Creath, Editor(s)

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