A transmission electron microscope image of ribbonfish skin shows random arrangements of crystalline quinine embedded in cytoplasm (a). The arrangement of crystal layers reflects light across a broad spectrum. The cytoplasm and crystal layers are reproduced in (b) — red dotted line (5 mm scale bar) and then turned into a fractal pattern with random changes introduced in (c). Credit: Werner Group/Penn State
A nature-inspired method to model the reflection of light may have applications for developing better broadband reflectors and custom multi-spectral filters for a wide variety of applications, including advanced optical coatings for glass, laser protection, infrared imaging systems, optical communication systems and photovoltaics, according to Douglas Werner, John L. and Genevieve H...
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