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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 2 — Jan. 15, 2004
  • pp: 171–173

Real-time measurement of in vitro flow by Fourier-domain color Doppler optical coherence tomography

Rainer A. Leitgeb, Leopold Schmetterer, Christoph K. Hitzenberger, Adolf F. Fercher, Fatma Berisha, Maciej Wojtkowski, and Tomasz Bajraszewski  »View Author Affiliations


Optics Letters, Vol. 29, Issue 2, pp. 171-173 (2004)
http://dx.doi.org/10.1364/OL.29.000171


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Abstract

The possibility of measuring a full Doppler flow depth profile in parallel by use of frequency-domain optical coherence tomography is demonstrated. The method is based on a local phase analysis of the backscattered signal and allows for imaging of bidirectional Doppler flow. The Doppler frequency limit is 5 kHz for the presented measurements and is set by half of the frame rate of the CCD detector array. We measured the flow of 0.3-μm microspheres suspended in distilled water at controlled flow rates and in vitro human blood flow through a 200-μm capillary with a real-time color-encoded Doppler tomogram rate of 2–3/s.

© 2004 Optical Society of America

OCIS Codes
(170.3340) Medical optics and biotechnology : Laser Doppler velocimetry
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(170.4500) Medical optics and biotechnology : Optical coherence tomography

Citation
Rainer A. Leitgeb, Leopold Schmetterer, Christoph K. Hitzenberger, Adolf F. Fercher, Fatma Berisha, Maciej Wojtkowski, and Tomasz Bajraszewski, "Real-time measurement of in vitro flow by Fourier-domain color Doppler optical coherence tomography," Opt. Lett. 29, 171-173 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-2-171

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