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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 27, Iss. 1 — Jan. 1, 2002
  • pp: 34–36

Real-time, high velocity-resolution color Doppler optical coherence tomography

Volker Westphal, Siavash Yazdanfar, Andrew M. Rollins, and Joseph A. Izatt  »View Author Affiliations


Optics Letters, Vol. 27, Issue 1, pp. 34-36 (2002)
http://dx.doi.org/10.1364/OL.27.000034


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Abstract

Color Doppler optical coherence tomography (CDOCT) is a noninvasive optical imaging technique for micrometer-scale physiological flow mapping simultaneously with morphological optical coherence tomography imaging. We have developed a novel CDOCT signal-processing strategy capable of imaging physiological flow rates at 8 frames/s. Our new strategy features hardware-implemented digital autocorrelation across subsequent scans, permitting us to measure 300-Hz–8-kHz Doppler shifts upon signals of 0.6-MHz bandwidth. The performance of the CDOCT system was demonstrated in a flow phantom and in vivo in Xenopus laevis.

© 2002 Optical Society of America

OCIS Codes
(100.5070) Image processing : Phase retrieval
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.4500) Medical optics and biotechnology : Optical coherence tomography

Citation
Volker Westphal, Siavash Yazdanfar, Andrew M. Rollins, and Joseph A. Izatt, "Real-time, high velocity-resolution color Doppler optical coherence tomography," Opt. Lett. 27, 34-36 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-1-34

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