MCHEIK, Ali; SAUDERAIS, Garance; ARNAUD, Adrien; RODRIGUEZ, Samuel

doi:10.1016/j.ultras.2025.107605

SAUDERAIS, Garance
Institut de Mécanique et d'Ingénierie de Bordeaux [I2M]

ARNAUD, Adrien

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Ultrasonics. 2025-07-01, vol. 151, p. 107605

Resumen en inglés

In the first part of this work (Rodriguez et al. 2016), the selective focusing through identification and experimental acoustic signature extraction (SelF-EASE) method was presented, and its potential for accurate ultrasound focusing was assessed via numerical experiments. In the second part of this work, the inversion procedure and focusing signal extraction are improved in terms of reliability and computation time, and experimental results are presented. First, the improved signature extraction process is evaluated with two experimental aluminum samples. Second, the improved focusing process is experimentally performed on a target immersed in water behind an unknown aberration layer. Compared with the time-of-flight methods, the measured intensity fields greatly improve in terms of accuracy without any further knowledge of the medium.< Leer menos

Palabras clave en inglés

Wave focusing

Topological imaging

Inverse filtering

Phase aberration

Focused ultrasound

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https://oskar-bordeaux.fr/handle/20.500.12278/207227

DOI

http://dx.doi.org/10.1016/j.ultras.2025.107605

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Institut de Mécanique et d’Ingénierie de Bordeaux (I2M) - UMR 5295

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Selective focusing through target identification and experimental acoustic signature extraction: Through-aberration experiments

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Palabras clave en inglés

URI

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Centros de investigación