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Journal of Biomedical Optics

Toroidal sensor arrays for real-time photoacoustic imaging
Author(s): Anton S. Bychkov; Elena B. Cherepetskaya; Alexander A. Karabutov; Vladimir A. Makarov
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Paper Abstract

This article addresses theoretical and numerical investigation of image formation in photoacoustic (PA) imaging with complex-shaped concave sensor arrays. The spatial resolution and the size of sensitivity region of PA and laser ultrasonic (LU) imaging systems are assessed using sensitivity maps and spatial resolution maps in the image plane. This paper also discusses the relationship between the size of high-sensitivity regions and the spatial resolution of real-time imaging systems utilizing toroidal arrays. It is shown that the use of arrays with toroidal geometry significantly improves the diagnostic capabilities of PA and LU imaging to investigate biological objects, rocks, and composite materials.

Paper Details

Date Published: 10 July 2017
PDF: 8 pages
J. Biomed. Opt. 22(7) 076003 doi: 10.1117/1.JBO.22.7.076003
Published in: Journal of Biomedical Optics Volume 22, Issue 7
Show Author Affiliations
Anton S. Bychkov, M.V. Lomonosov Moscow State Univ. (Russian Federation)
National Univ. of Science and Technology "MISiS" (Russian Federation)
Elena B. Cherepetskaya, M.V. Lomonosov Moscow State Univ. (Russian Federation)
National Univ. of Science and Technology "MISiS" (Russian Federation)
Alexander A. Karabutov, National Univ. of Science and Technology "MISiS" (Russian Federation)
M.V. Lomonosov Moscow State Univ. (Russian Federation)
Vladimir A. Makarov, M.V. Lomonosov Moscow State Univ. (Russian Federation)


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