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Journal of Biomedical Optics

Integrated ultrasound and photoacoustic probe for co-registered intravascular imaging
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Paper Abstract

We report on the synergy of an integrated ultrasound (US) and photoacoustic (PA) probe system for intravascular imaging. The combined dual-modality probe is based on a 39 MHz ring-shaped US transducer which detects both US echoes and laser-generated PA signals. By combining optical fiber, US transducer, and micromirror, we can obtain intravascular cross-sectional B-scan images by internal illumination of the sample. The performance of the probe is evaluated in a phantom study. Moreover, the coaxially designed probe also provides co-registered US and PA images of a normal rabbit aorta, which demonstrates the imaging ability of the dual-functional system, implying future clinical applications.

Paper Details

Date Published: 1 October 2011
PDF: 7 pages
J. Biomed. Opt. 16(10) 106001 doi: 10.1117/1.3631798
Published in: Journal of Biomedical Optics Volume 16, Issue 10
Show Author Affiliations
Wei Wei, Wuhan Univ. (China)
Zhongping Chen, Beckman Laser Institute and Medical Clinic (United States)
Xiang Li, The Univ. of Southern California (United States)
Qifa Zhou, The Univ. of Southern California (United States)
K. Kirk Shung, The Univ. of Southern California (United States)

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