Now you see it — now you don't

P. Vukusic (), J. R. Sambles, C. R. Lawrence and R. J. Wootton
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P. Vukusic: Thin Film Photonics, School of Physics, Exeter University
J. R. Sambles: Thin Film Photonics, School of Physics, Exeter University
C. R. Lawrence: Mechanical Sciences Sector, DERA
R. J. Wootton: School of Biological Sciences, Exeter University

Nature, 2001, vol. 410, issue 6824, 36-36

Abstract: Abstract The dazzling iridescence seen in some hummingbirds1 and tropical butterflies2 arises from natural optical phenomena, the brightest of which originate in nanoscale structures that produce ultra-high reflectivity and narrow-band spectral purity3. Here we investigate the coloration of male Ancyluris meliboeus Fabricius butterflies4, which have patches of unusual microstructure on their ventral wing scales. We find that this highly tilted, multilayered arrangement produces a bright iridescence of broad wavelength range and generates a strong flicker contrast from minimal wing movement.

Date: 2001
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DOI: 10.1038/35065161

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