Imaging and quantifying of microflow by phase-resolved optical Doppler tomography

Lei Wang; Wei Xu; Mark Bachman; Guann Pyng Li; Zhongping Chen

doi:10.1117/12.538938

23 December 2003 Imaging and quantifying of microflow by phase-resolved optical Doppler tomography

Lei Wang, Wei Xu, Mark Bachman, Guann Pyng Li, Zhongping Chen

Author Affiliations +

Proceedings Volume 5345, Microfluidics, BioMEMS, and Medical Microsystems II; (2003) https://doi.org/10.1117/12.538938
Event: Micromachining and Microfabrication, 2004, San Jose, California, United States

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.

Citation Download Citation

Lei Wang, Wei Xu, Mark Bachman, Guann Pyng Li, and Zhongping Chen "Imaging and quantifying of microflow by phase-resolved optical Doppler tomography", Proc. SPIE 5345, Microfluidics, BioMEMS, and Medical Microsystems II, (23 December 2003); https://doi.org/10.1117/12.538938

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