A zero-crossing detection method applied to Doppler OCT | Zendy

Zhiqiang Xu | Zendy; Lionel Carrion | Zendy; R. Maciejko | Zendy

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A zero-crossing detection method applied to Doppler OCT

Author(s) -

Zhiqiang Xu,

Lionel Carrion,

R. Maciejko

Publication year - 2008

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.16.004394

Subject(s) - zero crossing , laminar flow , doppler effect , optics , zero (linguistics) , signal (programming language) , physics , signal processing , laser doppler velocimetry , computer science , telecommunications , blood flow , radar , mechanics , medicine , linguistics , philosophy , quantum mechanics , astronomy , voltage , programming language

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.

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