13 February 2007 Ultrasonic vibration potential imaging: theory and experiments
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Abstract
The ultrasonic vibration potential refers to the voltage generated when ultrasound traverses a colloidal or ionic fluid. The theory of imaging based on the vibration potential is reviewed, and an expression given that can be used to determine the signal from arbitrary objects. The experimental apparatus consists of a pair of parallel plates connected to the irradiated body, a low noise preamplifier, a radio frequency lock-in amplifier, translation stages for the ultrasonic transducer that generates the ultrasound, and a computer for data storage and image formation. Experiments are reported where bursts of ultrasound are directed onto colloidal silica objects placed within inert bodies.
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Shougang Wang, Cuong K. Nguyen, Gerald J. Diebold, "Ultrasonic vibration potential imaging: theory and experiments", Proc. SPIE 6437, Photons Plus Ultrasound: Imaging and Sensing 2007: The Eighth Conference on Biomedical Thermoacoustics, Optoacoustics, and Acousto-optics, 64370M (13 February 2007); doi: 10.1117/12.694104; https://doi.org/10.1117/12.694104
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