Photoacoustic Doppler flowmetry

Hui Fang; Lihong V. Wang

doi:10.1117/12.761947

28 February 2008 Photoacoustic Doppler flowmetry

Hui Fang, Lihong V. Wang

Proceedings Volume 6856, Photons Plus Ultrasound: Imaging and Sensing 2008: The Ninth Conference on Biomedical Thermoacoustics, Optoacoustics, and Acousto-optics; 68561M (2008) https://doi.org/10.1117/12.761947
Event: SPIE BiOS, 2008, San Jose, California, United States

Abstract

We report flow measurements based on the photoacoustic Doppler effect. We have performed flow experiments with a suspension of micrometer carbon particles and have detected the photoacoustic Doppler shift at various average flow speeds. We have also observed the directional dependence of the photoacoustic Doppler shift. Our experiment is based on the continuous wave (cw) photoacoustic generation. It is the goal of noninvasively monitoring hemodynamics in functional photoacoustic imaging that motivates our study.

Citation Download Citation

Hui Fang and Lihong V. Wang "Photoacoustic Doppler flowmetry", Proc. SPIE 6856, Photons Plus Ultrasound: Imaging and Sensing 2008: The Ninth Conference on Biomedical Thermoacoustics, Optoacoustics, and Acousto-optics, 68561M (28 February 2008); https://doi.org/10.1117/12.761947

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