Reflection Measurement of the Scattering Mean Free Path at the Onset of Multiple Scattering

Autor:	Goïcoechea, Antton, Brütt, Cécile, Ber, Arthur Le, Bureau, Flavien, Lambert, William, Prada, Claire, Derode, Arnaud, Aubry, Alexandre
Rok vydání:	2024
Předmět:	Physics - Medical Physics Condensed Matter - Disordered Systems and Neural Networks Physics - Applied Physics
Zdroj:	Phys. Rev. Lett. 133, 176301, 2024
Druh dokumentu:	Working Paper
DOI:	10.1103/PhysRevLett.133.176301
Popis:	Multiple scattering of waves presents challenges for imaging complex media but offers potential for their characterization. Its onset is actually governed by the scattering mean free path $\ell_s$ that provides crucial information on the medium micro-architecture. Here, we introduce a reflection matrix method designed to estimate this parameter from the time decay of the single scattering rate. Our method is first validated by an ultrasound experiment on a tissue-mimicking phantom before being applied in-vivo to a human liver. This study opens important perspectives for quantitative imaging of heterogeneous media with waves, whether it be for non-destructive testing, biomedical or geophysical applications. Comment: 29 pages, 7 figures
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2401.02246 Zobrazit plný text záznamu View this record from Arxiv