Volumetric photoacoustic endoscopy of upper gastrointestinal tract: ultrasonic transducer technology development

Joon-Mo Yang; Christopher Favazza; Ruimin Chen; Konstantin Maslov; Xin Cai; Qifa Zhou; K. Kirk Shung; Lihong V. Wang

doi:10.1117/12.875377

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17 February 2011 Volumetric photoacoustic endoscopy of upper gastrointestinal tract: ultrasonic transducer technology development

Joon-Mo Yang, Christopher Favazza, Ruimin Chen, Konstantin Maslov, Xin Cai, Qifa Zhou, K. Kirk Shung, Lihong V. Wang

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Proceedings Volume 7899, Photons Plus Ultrasound: Imaging and Sensing 2011; 78990D (2011) https://doi.org/10.1117/12.875377
Event: SPIE BiOS, 2011, San Francisco, California, United States

Abstract

We have successfully implemented a focused ultrasonic transducer for photoacoustic endoscopy. The photoacoustic endoscopic probe's ultrasound transducer determines the lateral resolution of the system. By using a focused ultrasonic transducer, we significantly improved the endoscope's spatial resolution and signal-to-noise ratio. This paper describes the technical details of the ultrasonic transducer incorporated into the photoacoustic endoscopic probe and the experimental results from which the transducer's resolution is quantified and the image improvement is validated.

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Joon-Mo Yang, Christopher Favazza, Ruimin Chen, Konstantin Maslov, Xin Cai, Qifa Zhou, K. Kirk Shung, and Lihong V. Wang "Volumetric photoacoustic endoscopy of upper gastrointestinal tract: ultrasonic transducer technology development", Proc. SPIE 7899, Photons Plus Ultrasound: Imaging and Sensing 2011, 78990D (17 February 2011); https://doi.org/10.1117/12.875377

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