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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 7 — Mar. 31, 2008
  • pp: 4394–4412

A zero-crossing detection method applied to Doppler OCT

Zhiqiang Xu, Lionel Carrion, and Roman Maciejko  »View Author Affiliations

Optics Express, Vol. 16, Issue 7, pp. 4394-4412 (2008)

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We present a numerical method based on the detection of the zero-crossing points in an OCT signal for the measurement of the Doppler frequency in a laminar flow. This method is compared to other processing approaches currently used in Doppler OCT. The results show that in the case of laminar flow the zero-crossing method gives the most precise results, especially in the higher velocity regime.

© 2008 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing
(170.3340) Medical optics and biotechnology : Laser Doppler velocimetry
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(190.2640) Nonlinear optics : Stimulated scattering, modulation, etc.

ToC Category:
Medical Optics and Biotechnology

Original Manuscript: December 17, 2007
Revised Manuscript: March 3, 2008
Manuscript Accepted: March 11, 2008
Published: March 17, 2008

Virtual Issues
Vol. 3, Iss. 4 Virtual Journal for Biomedical Optics

Zhiqiang Xu, Lionel Carrion, and Roman Maciejko, "A zero-crossing detection method applied to Doppler OCT," Opt. Express 16, 4394-4412 (2008)

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