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Proceedings Paper

Imaging and quantifying of microflow by phase-resolved optical Doppler tomography
Author(s): Lei Wang; Wei Xu; Mark Bachman; Guann Pyng Li; Zhongping Chen
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Paper Abstract

Phase-resolved Optical Doppler Tomography (ODT), an imaging technique based on low coherence interferometry, is presented as a tool to quantify the micro flow in microfluidic channel. Experiments using phase-resolved ODT to image and quantify Electroosmotic Flow (EOF) within a single microchannel are described demonstrating its utility in determining EOF in microchannels. Since it provides cross-sectional imaging of flow velocity, complex flow dynamics caused by microscale effects, such as electrokinetic flow, can be investigated and quantified using this tool.

Paper Details

Date Published: 23 December 2003
PDF: 6 pages
Proc. SPIE 5345, Microfluidics, BioMEMS, and Medical Microsystems II, (23 December 2003); doi: 10.1117/12.538938
Show Author Affiliations
Lei Wang, Univ. of California/Irvine (United States)
Wei Xu, Univ. of California/Irvine (United States)
Mark Bachman, Univ. of California/Irvine (United States)
Guann Pyng Li, Univ. of California/Irvine (United States)
Zhongping Chen, Beckman Laser Institute (United States)
Univ. of California/Irvine (United States)

Published in SPIE Proceedings Vol. 5345:
Microfluidics, BioMEMS, and Medical Microsystems II
Peter Woias; Ian Papautsky, Editor(s)

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