Photoacoustic Doppler flowmetry of whole blood by pulsed laser

Abstract

In order to measure the flow velocity of whole blood in vessel mimicking tube inside optically scattering media, a 1064nm pulsed laser with the repetition rate of 10Hz was used as a pumping source to generate photoacoustic doppler signal. A 75MHz spherical focus ultrasound transducer was used to collect time-domain photoacoustic doppler signal successively… (More)
DOI: 10.1109/BMEI.2012.6512907

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