Single-Shot Near-Field Volumetric Imaging System for Optical Ultrasound and Photoacoustics Using Capacitive Micromachined Ultrasonic Transducer Without Transmission Mode.

Won Young Choi,Soo Won Kwon,Young Hun Kim,Ki Chang Kang,Kwan Kyu Park

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control（2020）

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摘要

In this article, we present a single-shot dual-mode imaging system that uses optical ultrasound (US) as an ultrasonic pulser without a transmission circuit. The ultrasonic pulse-echo system comprises an optical US pulser generated by carbon nanotubes (CNTs), which generate a high-power photoacoustic (PA) signal and a capacitive micromachined ultrasonic transducer (CMUT) receiver. By fabricating a ...

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关键词

Acoustics,Optical imaging,Optical receivers,Optical device fabrication,Biomedical optical imaging,Spatial resolution

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