13 March 2012 Three-dimensional endoscopic photoacoustic imaging based on multi-element linear transducer array
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Abstract
An implementation system of three-dimensional endoscopic photoacoustic imaging is presented. The developed endoscopic photoacoustic detector integrates a multielement linear transducer array, a reflective device, a Plexiglass tube and ultrasonic coupling medium. To match with the acoustic impendence of Plexiglass tube, a glycerin solution with 45% volume percentage was used as the ultrasonic coupling medium. This ultrasonic coupling medium can decrease photoacoustic pressure transmission loss during the progress of photoacoustic signal propagation. The capability of the system for three-dimensional imaging was verified with chicken breast tissue. The experimental results demonstrate the multielement-based endoscopic photoacoustic imaging system with inside-out laser exciting mode has the ability of reconstructing three-dimensional images of biology tissue.
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Yi Yuan, Sihua Yang, Da Xing, "Three-dimensional endoscopic photoacoustic imaging based on multi-element linear transducer array", Proc. SPIE 8329, Tenth International Conference on Photonics and Imaging in Biology and Medicine (PIBM 2011), 83290I (13 March 2012); doi: 10.1117/12.918943; https://doi.org/10.1117/12.918943
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