Imaging light transport at the femtosecond scale

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Pattelli, L.; 2018; Imaging light transport at the femtosecond scale. Firenze, Firenze University Press.


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Imaging light transport at the femtosecond scale

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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DOI: 10.36253/978-88-6453-781-8 Series: Premio Tesi di Dottorato ISSN 2612-8039 (print) - ISSN 2612-8020 (online)

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© 2018 Author(s)
Published by Firenze University Press

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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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Publication year: 2018

Price: 11,90 €

Pages: 150

ISSN print: 2612-8039

ISBN: 978-88-6453-780-1

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Publication year: 2018

Pages: 150

ISSN online: 2612-8020

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

DOI: 10.36253/978-88-6453-781-8

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

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Publication year: 2018

ISSN online: 2612-8020

e-ISBN: 978-88-9273-085-4

DOI: 10.36253/978-88-6453-781-8

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

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