NDLI: A fast photoacoustic imaging system based on a curved ultrasound transducer array

Content Provider	IEEE Xplore Digital Library
Author	Huang, F. Maurudis, A. Gamelin, J. Aguirre, A. Castillo, D. Guo, P. Zhu, Q.
Copyright Year	2007
Description	Author affiliation: Univ. of Connecticut, Storrs Mansfield (Huang, F.; Maurudis, A.; Gamelin, J.; Aguirre, A.; Castillo, D.; Guo, P.; Zhu, Q.)
Abstract	Non-invasive laser-induced photoacoustic tomography (PAT) is a promising imaging modality for the biological imaging field due to the intrinsic optical contrast of tissue and the high resolution of ultrasound. In contrast to common experimental setups that employ a single ultrasound transducer rotating around the target, we present a fast PAT system employing a 128-element curved ultrasound transducer array, parallel signal amplifier circuitry, and multi-channel data acquisition. Two-dimensional photoacoustic images of various phantoms and blood tubing were reconstructed based on the delay-and-sum algorithm. The reconstructed images agreed well with the original samples. The spatial resolution of the system reaches 0.2 mm, which matches the theoretical calculation. The device and methodology provide a rapid and reliable approach to imaging biological tissues and may have potential applications in noninvasive imaging and clinical diagnosis.
Starting Page	47
Ending Page	48
File Size	1095369
Page Count	2
File Format	PDF
ISBN	9781424410323
DOI	10.1109/NEBC.2007.4413273
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-03-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ultrasonic imaging Ultrasonic transducers Ultrasonic transducer arrays Optical imaging High-resolution imaging Biological tissues Image reconstruction Tomography Biomedical optical imaging Stimulated emission
Content Type	Text
Resource Type	Article

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