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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 7, Iss. 1 — Jan. 4, 2012

Higher-order cross-correlation-based Doppler optical coherence tomography

Liangmin Huang, Zhihua Ding, Wei Hong, Chuan Wang, and Tong Wu  »View Author Affiliations


Optics Letters, Vol. 36, Issue 22, pp. 4314-4316 (2011)
http://dx.doi.org/10.1364/OL.36.004314


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Abstract

A method based on higher-order cross-correlation is proposed to fetch the Doppler information on flow velocity within areas under low signal-to-noise ratio (SNR) by spectral domain optical coherence tomography. The proposed method is theoretically developed and validated by measurement of a moving mirror with known velocities. Standard deviations of flow velocities of the mirror under different SNRs are determined by the proposed method and compared with those by the modified phase-resolved method. Measurement of flowing particles within a glass capillary is also conducted, and Doppler flow velocity maps of the glass capillary are reconstructed by both methods. All experimental results demonstrate that the proposed method can significantly suppress noise, thus rendering it suitable for flow measurement under low SNR cases.

© 2011 Optical Society of America

OCIS Codes
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(280.2490) Remote sensing and sensors : Flow diagnostics

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: July 5, 2011
Revised Manuscript: September 22, 2011
Manuscript Accepted: September 30, 2011
Published: November 7, 2011

Virtual Issues
Vol. 7, Iss. 1 Virtual Journal for Biomedical Optics

Citation
Liangmin Huang, Zhihua Ding, Wei Hong, Chuan Wang, and Tong Wu, "Higher-order cross-correlation-based Doppler optical coherence tomography," Opt. Lett. 36, 4314-4316 (2011)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-36-22-4314

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