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Propagation of structured light through tissue-mimicking phantoms
Author(s) -
Alessia Suprano,
Taira Giordani,
Ilaria Gianani,
Nicolò Spagnolo,
Katja Pinker,
Judy Kupferman,
Shlomi Ar,
Uwe Klemm,
Dimitris Gorpas,
Vasilis Ntziachristos,
Fabio Sciarrino
Publication year - 2020
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.402467
Subject(s) - optics , scattering , light scattering , polarization (electrochemistry) , light beam , structured light , materials science , biological tissue , physics , chemistry
Optical interrogation of tissues is broadly considered in biomedical applications. Nevertheless, light scattering by tissue limits the resolution and accuracy achieved when investigating sub-surface tissue features. Light carrying optical angular momentum or complex polarization profiles, offers different propagation characteristics through scattering media compared to light with unstructured beam profiles. Here we discuss the behaviour of structured light scattered by tissue-mimicking phantoms. We study the spatial and the polarization profile of the scattered modes as a function of a range of optical parameters of the phantoms, with varying scattering and absorption coefficients and of different lengths. These results show the non-trivial trade-off between the advantages of structured light profiles and mode broadening, stimulating further investigations in this direction.

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