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Proceedings Paper

Combined 3D photoacoustic and 2D fluorescence imaging of indocyanine green contrast agent flow
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Paper Abstract

Photoacoustic imaging uses laser induced ultrasound transients to generate optical absorption maps of the illuminated volume. In this work, we used a custom built photoacoustic imaging system consisting of a 60-channel transducer array, a 50 MHz data acquisition system, and an Nd:YAG pumped OPO laser, to perform simultaneous photoacoustic and fluorescence imaging. A single 780 nm laser pulse generated both ultrasound and fluorescence, enabling reconstruction of images for both modalities with near perfect temporal co-registration. The result highlighted the ability of photoacoustic imaging to supplement fluorescence data when optical scatter reduces fluorescence resolution beyond its useful range.

Paper Details

Date Published: 4 March 2013
PDF: 8 pages
Proc. SPIE 8581, Photons Plus Ultrasound: Imaging and Sensing 2013, 858143 (4 March 2013); doi: 10.1117/12.2005269
Show Author Affiliations
Ivan Kosik, Lawson Health Research Institute (Canada)
Univ. of Western Ontario (Canada)
Jeffrey J. L. Carson, Lawson Health Research Institute (Canada)
Univ. of Western Ontario (Canada)


Published in SPIE Proceedings Vol. 8581:
Photons Plus Ultrasound: Imaging and Sensing 2013
Alexander A. Oraevsky; Lihong V. Wang, Editor(s)

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