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Coherent backscattering of light by an anisotropic biological network.

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Title: Coherent backscattering of light by an anisotropic biological network.
Authors: Jacucci, G
Onelli, OD
De Luca, A
Bertolotti, J
Sapienza, R
Vignolini, S
Item Type: Journal Article
Abstract: The scattering strength of a random medium relies on the geometry and spatial distribution of its components as well as on their refractive index. Anisotropy can, therefore, play a major role in the optimization of the scattering efficiency in both biological and synthetic materials. In this study, we show that, by exploiting the coherent backscattering phenomenon, it is possible to characterize the optical anisotropy in Cyphochilus beetle scales without the need to change their orientation or their thickness. For this reason, such a static and easily accessible experimental approach is particularly suitable for the study of biological specimens. Moreover, estimation of the anisotropy in Cyphochilus beetle scales might provide inspiration for improving the scattering strength of artificial white materials.
Issue Date: 1-Feb-2019
Date of Acceptance: 9-Nov-2018
URI: http://hdl.handle.net/10044/1/66580
DOI: https://dx.doi.org/10.1098/rsfs.2018.0050
ISSN: 2042-8898
Start Page: 20180050
End Page: 20180050
Journal / Book Title: Interface Focus
Volume: 9
Issue: 1
Copyright Statement: © 2018 The Author(s). Published by the Royal Society. All rights reserved.
Sponsor/Funder: Engineering & Physical Science Research Council (EPSRC)
The Leverhulme Trust
Funder's Grant Number: EP/M017961/2
RPG-2014-238
Keywords: anisotropic biological network
biological photonic structures
light scattering
optics of natural materials
white materials
Publication Status: Published
Conference Place: England
Open Access location: https://royalsocietypublishing.org/doi/10.1098/rsfs.2018.0050
Online Publication Date: 2018-12-14
Appears in Collections:Physics
Experimental Solid State
Faculty of Natural Sciences



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