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Diffuse White Structural Coloration from Multilayer Reflectors in a Squid

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Abstract

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The white stripes of the pyjama squid (Sepioloidea lineolata) contain multilayer reflectors with an unordered plate arrangement, enabling reflectance of diffuse white light over a range of viewing angles. Ultrastructural analysis and mathematical modeling are employed to elucidate functional mechanisms of diffuse reflectance. This optical system may provide a bio-inspired template for low-energy, reflectance-based synthetic displays.

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