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Journal of Biomedical Optics

Improving limited-view photoacoustic tomography with an acoustic reflector
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Paper Abstract

The versatility and real-time imaging capability of commercial linear array transducers make them widely used in clinical ultrasound and photoacoustic imaging. However, they often suffer from limited detection view. For instance, acoustic waves traveling at a grazing angle to the transducer surface are difficult to detect. In this letter, we propose a simple and easy approach to ameliorate this problem by using a 45-deg acoustic reflector. The reflector forms a virtual array that is perpendicular to the physical array, thereby doubling the detection coverage. The improvement in image quality in photoacoustic tomography was demonstrated through a hair phantom, a leaf skeleton phantom, and an ex vivo mouse ear experiment.

Paper Details

Date Published: 27 November 2013
PDF: 4 pages
J. Biomed. Opt. 18(11) 110505 doi: 10.1117/1.JBO.18.11.110505
Published in: Journal of Biomedical Optics Volume 18, Issue 11
Show Author Affiliations
Bin Huang, Washington Univ. in St. Louis (United States)
Jun Xia, Washington Univ. in St. Louis (United States)
Konstantin I. Maslov, Washington Univ. in St. Louis (United States)
Lihong V. Wang, Washington Univ. in St. Louis (United States)


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