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Micro-pixelation and color mixing in biological photonic structures (presentation video)
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Paper Abstract

The world of insects displays myriad hues of coloration effects produced by elaborate nano-scale architectures built into wings and exoskeleton. For example, we have recently found many weevils possess photonic architectures with cubic lattices. In this talk, we will present high-resolution three-dimensional reconstructions of weevil photonic structures with diamond and gyroid lattices. Moreover, by reconstructing entire scales we found arrays of single-crystalline domains, each oriented such that only selected crystal faces are visible to an observer. This pixel-like arrangement is key to the angle-independent coloration typical of weevils—a strategy that could enable a new generation of coating technologies.

Paper Details

Date Published: 8 May 2014
PDF: 1 pages
Proc. SPIE 9055, Bioinspiration, Biomimetics, and Bioreplication 2014, 90550R (8 May 2014); doi: 10.1117/12.2044626
Show Author Affiliations
Michael H. Bartl, The Univ. of Utah (United States)
Ramneet K. Nagi, The Univ. of Utah (United States)

Published in SPIE Proceedings Vol. 9055:
Bioinspiration, Biomimetics, and Bioreplication 2014
Akhlesh Lakhtakia, Editor(s)

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