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Phase-resolved optical Doppler tomography for imaging flow dynamics in microfluidic channels
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10.1063/1.1785854
/content/aip/journal/apl/85/10/10.1063/1.1785854
http://aip.metastore.ingenta.com/content/aip/journal/apl/85/10/10.1063/1.1785854
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Figures

Image of FIG. 1.
FIG. 1.

Schematic of phase-resolved ODT system: (SLD) superluminescent diode; (C2) coupler; (PC) polarization controller; (EOM) electro-optical modulator; (RSOD) rapid scanning delay line; (C1) collimator; (G) grating; (L) lens; (M) galvo mirror; (OL) objective lens; (PD) photon diode; (MC) microchannel; (R) reservoir; (SS): substrate; anode; cathode; (PS) PDMS; analog to digital converter; (DP) data processor.

Image of FIG. 2.
FIG. 2.

(Color) Cross-sectional velocity measurements of flows through all-PDMS and PDMS-glass channels by ODT: (a) cross-sectional velocity image of flow in all-PDMS channel; (b) cross-sectional velocity image of flow in PDMS-glass channel; (c) comparison of flow profiles at the center of both channel. Channel dimension: . Working fluids: mixture of intralipid and phosphate solution. Applied electrical field: .

Image of FIG. 3.
FIG. 3.

(Color) Monitoring of EOF responding to applied pulsed electrical field for : (a) time-evolutionary image of EOF taken by ODT at the center of channel, (b) driving electrical field: square wave with an amplitude of and changing of velocity. Channel dimension: . Working fluids: mixture of polystyrene beads and phosphate solution.

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/content/aip/journal/apl/85/10/10.1063/1.1785854
2004-09-13
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Phase-resolved optical Doppler tomography for imaging flow dynamics in microfluidic channels
http://aip.metastore.ingenta.com/content/aip/journal/apl/85/10/10.1063/1.1785854
10.1063/1.1785854
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