Photon path length distribution in random media from spectral speckle intensity correlations
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Rojas, L. F.
Departamento de Física, Cinvestav-IPN, México
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Bina, M.
Dipartimento di Fisica e Matematica, Università degli Studi dell’Insubria, Como, Italy
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Cerchiari, G.
Dipartimento di Fisica, Università degli studi di Milano, Italy
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Escobedo-Sánchez, M. A.
Departamento de Física, Cinvestav-IPN, México
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Ferri, F.
Dipartimento di Fisica e Matematica, Università degli Studi dell’Insubria, Como, Italy
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Scheffold, Frank
Department of Physics, University of Fribourg, Switzerland
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Published in:
- The European Physical Journal - Special Topics. - 2011, vol. 199, no. 1, p. 167-180
English
We show that the spectral speckle intensity correlation (SSIC) technique can be profitably exploited to recover the path length distribution of photons scattered in a random turbid medium. We applied SSIC to the study of Teflon slabs of different thicknesses and were able to recover, via the use of the photon diffusion approximation theory, the characteristic transport mean free path ℓ∗ and absorption length s a of the medium. These results were compared and validated by means of complementary measurements performed on the same samples with standard pulsed laser time of flight techniques.
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Faculty
- Faculté des sciences et de médecine
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Department
- Département de Physique
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Language
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Classification
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Physics
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License
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License undefined
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Identifiers
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Persistent URL
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https://folia.unifr.ch/unifr/documents/302164
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