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Proceedings Paper

Speed of sound and photoacoustic imaging with an optical camera based ultrasound detection system
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Paper Abstract

CCD camera based optical ultrasound detection is a promising alternative approach for high resolution 3D photoacoustic imaging (PAI). To fully exploit its potential and to achieve an image resolution <50 μm, it is necessary to incorporate variations of the speed of sound (SOS) in the image reconstruction algorithm. Hence, in the proposed work the idea and a first implementation are shown how speed of sound imaging can be added to a previously developed camera based PAI setup. The current setup provides SOS-maps with a spatial resolution of 2 mm and an accuracy of the obtained absolute SOS values of about 1%. The proposed dual-modality setup has the potential to provide highly resolved and perfectly co-registered 3D photoacoustic and SOS images.

Paper Details

Date Published: 1 August 2017
PDF: 4 pages
Proc. SPIE 10415, Opto-Acoustic Methods and Applications in Biophotonics III, 1041508 (1 August 2017);
Show Author Affiliations
Robert Nuster, Univ. of Graz (Austria)
Guenther Paltauf, Univ. of Graz (Austria)

Published in SPIE Proceedings Vol. 10415:
Opto-Acoustic Methods and Applications in Biophotonics III
Vasilis Ntziachristos; Roger Zemp, Editor(s)

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