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A walk on the wild side of diffusion

A walk on the wild side of diffusion

Lorenzo Pattelli
LENS, European Laboratory for Non-Linear Spectroscopy, Italy - ORCID: 0000-0001-5040-5282

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Collana: Premio Tesi di Dottorato ISSN 2612-8039 (print) - ISSN 2612-8020 (online)

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Metadata licence CC0 1.0

Paper, milk, clouds and white paint share a common property: they are opaque disordered media through which light scatters randomly rather than propagating in a straight path. For very thick and turbid media, indeed, light eventually propagates in a ‘diffusive’ way, i.e. similarly to how tea infuses through hot water. Frequently though, a material is neither perfectly opaque nor transparent and the simple diffusion model does not hold. In this work, we developed a novel optical-gating setup that allowed us to observe light transport in scattering media with sub-ps time resolution. An array of unexplored aspects of light propagation emerged from this spatio-temporal description, unveiling transport regimes that were previously inaccessibile due to the extreme time scales involved and the lack of analytical models.

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Anno di edizione: 2018

Prezzo: 11,90 €

Pagine: 150

ISSN print: 2612-8039

ISBN: 978-88-6453-780-1

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Anno di edizione: 2018

Pagine: 150

ISSN online: 2612-8020

e-ISBN: 978-88-6453-781-8

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© 2018 Author(s)
Content licence CC BY 4.0
Metadata licence CC0 1.0

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