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File:Peacock plumage closeup.jpg

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Many of the brilliant colours of the peacock plumage are due to an optical interference phenomenon (Bragg reflection) based on (nearly) periodic nanostructures found in the barbules (fiber-like components) of the feathers. Different colours correspond to different length scales of the periodic structures.

Such interference-based structural colour is especially important in producing the peacock's iridescent hues (which shimmer and change with viewing angle), since interference effects depend upon the angle of light, unlike chemical pigments.

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Source Iridescent
Author Gordana Adamovic-Mladenovic from Windsor, Canada
Camera location42° 16′ 48.4″ N, 82° 59′ 26.71″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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This image, originally posted to Flickr, was reviewed on 23 October 2009 by the administrator or reviewer Raeky, who confirmed that it was available on Flickr under the stated license on that date.

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current05:35, 23 October 2009Thumbnail for version as of 05:35, 23 October 20091,050 × 1,050 (981 KB)Raeky (talk | contribs){{Information |Description=''Many of the brilliant colours of the peacock plumage are due to an optical interference phenomenon (Bragg reflection) based on (nearly) periodic nanostructures found in the barbules (fiber-like components) of the feathers. Dif

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