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.
journal_name
Interface Focusjournal_title
Interface focusauthors
Jacucci G,Onelli OD,De Luca A,Bertolotti J,Sapienza R,Vignolini Sdoi
10.1098/rsfs.2018.0050subject
Has Abstractpub_date
2019-02-06 00:00:00pages
20180050issue
1eissn
2042-8898issn
2042-8901pii
rsfs20180050journal_volume
9pub_type
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