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Journal of Biomedical Optics

Taking advantage of acoustic inhomogeneities in photoacoustic measurements
Author(s): Anabela Da Silva; Charles Handschin; Khaled Metwally; Houssem Garci; Christophe Riedinger; Serge Mensah; Hassan Akhouayri
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Paper Abstract

This paper proposes a method for improving the localization and the quantification of the optical parameters in photoacoustic (PA) tomography of biological tissues that are intrinsically heterogeneous in both optical and acoustic properties. It is based on the exploitation of both the PA signal, generated by the heterogeneous optical structures, and the secondary acoustic echoes due to the interaction between a primary PA wave generated near the tissue surface and the heterogeneous acoustic structures. These secondary echoes can also be collected through proper measurements of the PA signals. The experimental procedure is presented along with the method to filter the signal and the reconstruction algorithm that includes the account of the acoustic information.

Paper Details

Date Published: 23 January 2017
PDF: 10 pages
J. Biomed. Opt. 22(4) 041012 doi: 10.1117/1.JBO.22.4.041012
Published in: Journal of Biomedical Optics Volume 22, Issue 4
Show Author Affiliations
Anabela Da Silva, Aix-Marseille Univ. (France)
Charles Handschin, Institut Fresnel (France)
SATT PACA Corse SAS (France)
Khaled Metwally, Institut Fresnel (France)
SATT PACA Corse SAS (France)
Houssem Garci, Institut Fresnel (France)
SATT PACA Corse SAS (France)
Christophe Riedinger, Institut Fresnel (France)
SATT PACA Corse SAS (France)
Serge Mensah, Aix-Marseille Univ. (France)
Hassan Akhouayri, Institut Fresnel (France)

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