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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 20 — Oct. 15, 2006
  • pp: 3001–3003

Real-time flow imaging by removing texture pattern artifacts in spectral-domain optical Doppler tomography

Ruikang K. Wang and Zhenhe Ma  »View Author Affiliations


Optics Letters, Vol. 31, Issue 20, pp. 3001-3003 (2006)
http://dx.doi.org/10.1364/OL.31.003001


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Abstract

We present a new, simple method to suppress texture pattern artifacts induced by the optical heterogeneity of tissues to improve the performance of flow imaging for real-time phase-resolved optical Doppler tomography. The method performs transverse scanning of the probe beam in the forward and then reverse directions, and it takes average of the spatial phase changes between them to obtain the final velocity image. It relies on the fact that the phase changes between successive axial scans due to the optical heterogeneity of the sample are time independent, while those due to the moving particles are time dependent. We experimentally demonstrate this method by real-time imaging of a flow phantom.

© 2006 Optical Society of America

OCIS Codes
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(170.4500) Medical optics and biotechnology : Optical coherence tomography

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: June 22, 2006
Revised Manuscript: July 19, 2006
Manuscript Accepted: July 20, 2006
Published: September 25, 2006

Virtual Issues
Vol. 1, Iss. 11 Virtual Journal for Biomedical Optics

Citation
Ruikang K. Wang and Zhenhe Ma, "Real-time flow imaging by removing texture pattern artifacts in spectral-domain optical Doppler tomography," Opt. Lett. 31, 3001-3003 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-20-3001

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