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Proceedings Paper

Orthogonal Fabry-Pérot sensor array system for minimal-artifact 3D photoacoustic tomography
Author(s): Robert Ellwood; Edward Zhang; Paul Beard; Ben Cox
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Paper Abstract

Photoacoustic images of exquisite quality have previously been obtained using planar Fabry-Pérot ultrasound sensors, as they can synthesize detection arrays with small, highly sensitive, elements. However, their planarity prevents reconstruction of structures perpendicular to the sensor plane, which gives rise to limited-view artifacts. Here, a novel FP sensor array configuration is described that incorporates two orthogonal planar arrays in order to overcome this limitation. Three dimensional photoacoustic images of suitably structured phantoms, obtained using a time reversal reconstruction algorithm, are used to demonstrate the significant improvement in the reconstructed images.

Paper Details

Date Published: 11 March 2015
PDF: 5 pages
Proc. SPIE 9323, Photons Plus Ultrasound: Imaging and Sensing 2015, 932312 (11 March 2015); doi: 10.1117/12.2081934
Show Author Affiliations
Robert Ellwood, Univ. College London (United Kingdom)
Edward Zhang, Univ. College London (United Kingdom)
Paul Beard, Univ. College London (United Kingdom)
Ben Cox, Univ. College London (United Kingdom)


Published in SPIE Proceedings Vol. 9323:
Photons Plus Ultrasound: Imaging and Sensing 2015
Alexander A. Oraevsky; Lihong V. Wang, Editor(s)

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