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Proceedings Paper

Optical coherence tomography imaging of converging flow
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Paper Abstract

The experimental methods of Doppler OCT are applied for two-dimensional flow mapping of highly scattering fluid in converging flow (die entry) to demonstrate non-invasive methods to map velocity distribution and velocity profiles before and after the entry. Complex geometry flow is scanned with ~ 10x10x10 μm3 spatial resolution. Broadening of Doppler spectra obtained with slow and rapid scanning optical delay lines are compared. Structural image of human finger tip in vivo using grating based rapid OCT is presented. Velocity profiles of different shapes were obtained before and after the phantom entry. Blunted, triangular and parabolic velocity profiles as well as structural images of the converging flow and specific velocity images are demonstrated.

Paper Details

Date Published: 29 July 2004
PDF: 5 pages
Proc. SPIE 5486, ALT'03 International Conference on Advanced Laser Technologies: Biomedical Optics, (29 July 2004); doi: 10.1117/12.571994
Show Author Affiliations
Sergey G. Proskurin, Cranfield Univ. (United Kingdom)
Yonghong He, Cranfield Univ. (United Kingdom)
Ruikang K. Wang, Cranfield Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 5486:
ALT'03 International Conference on Advanced Laser Technologies: Biomedical Optics
Ruikang K. Wang; Jeremy C. Hebden; Alexander V. Priezzhev; Valery V. Tuchin, Editor(s)

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