Fig. 2.
Experimental setup. (a) Schematic diagram for spectral-domain Doppler optical coherence tomography, and (b) a meandering square microchannel: () area of interest; (
) line of interest; (
) point of interest; LCL: low-coherence light; CM: collimator; DG: diffraction grating; FL: focusing lens; LSC: line scan camera; GM: galvo mirror; RL: relay lens, TAS: two-axis scanner.