Special Section on Photoacoustic Imaging and Sensing

Taking advantage of acoustic inhomogeneities in photoacoustic measurements

[+] Author Affiliations
Anabela Da Silva, Hassan Akhouayri

Aix-Marseille Université, CNRS, Centrale Marseille, Institut Fresnel UMR 7249, 13013 Marseille, France

Charles Handschin, Khaled Metwally, Houssem Garci, Christophe Riedinger

Aix-Marseille Université, CNRS, Centrale Marseille, Institut Fresnel UMR 7249, 13013 Marseille, France

SATT Sud Est (SATT PACA Corse SAS), 8 rue Sainte Barbe, CS 10422, 13205 Marseille Cedex 01, France

Serge Mensah

Aix-Marseille Université, CNRS, Ecole Centrale Marseille, LMA UPR 7051, 13402 Marseille Cedex 20, France

J. Biomed. Opt. 22(4), 041012 (Jan 23, 2017). doi:10.1117/1.JBO.22.4.041012
History: Received September 1, 2016; Accepted December 27, 2016
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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.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Anabela Da Silva ; Charles Handschin ; Khaled Metwally ; Houssem Garci ; Christophe Riedinger, et al.
"Taking advantage of acoustic inhomogeneities in photoacoustic measurements", J. Biomed. Opt. 22(4), 041012 (Jan 23, 2017). ; http://dx.doi.org/10.1117/1.JBO.22.4.041012


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