The extremely brilliant whiteness shown by the Cyphochilus beetle is generated by multiple scattering of light inside the ultrathin scales that cover its body, whose interior is characterized by an anisotropic nanostructured network of chitin filaments. It is demonstrated that the structural anisotropy of the network is crucial in order to achieve high broadband reflectance from such a thin, low‐refractive‐index system.
Anisotropic Light Transport in White Beetle Scales / Cortese, L; Pattelli, L; Utel, F; Vignolini, S; Burresi, M; Wiersma, Ds. - In: ADVANCED OPTICAL MATERIALS. - ISSN 2195-1071. - 3:10(2015), pp. 1337-1341. [10.1002/adom.201500173]
Anisotropic Light Transport in White Beetle Scales
Pattelli, L;Wiersma, DS
2015
Abstract
The extremely brilliant whiteness shown by the Cyphochilus beetle is generated by multiple scattering of light inside the ultrathin scales that cover its body, whose interior is characterized by an anisotropic nanostructured network of chitin filaments. It is demonstrated that the structural anisotropy of the network is crucial in order to achieve high broadband reflectance from such a thin, low‐refractive‐index system.| File | Dimensione | Formato | |
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