Phase-resolved optical doppler tomography for imaging flow dynamics in microfluidic channels
- Author(s): Wang, L
- Xu, W
- Bachman, M
- Li, GP
- Chen, Z
- et al.
Published Web Locationhttps://doi.org/10.1063/1.1785854
A flow metrology system based on phase resolved optical Doppler tomography (ODT) for producing a cross sectional velocity image of turbid fluid flow through microfluidic channels was discussed. The ODT system had a spatial resolution of 7 μm and an axial scanning rate of 500Hz. The imaging speed was improved by replacing the galvo mirror with a resonant galvo mirror which operated at 8kHz. The technique was used in constructing cross sectional images of flows with high resolution.