Autocorrelation optical coherence tomography for mapping transverse particle-flow velocity
Optics Letters, Vol. 35, Issue 21, pp. 3538-3540 (2010)
http://dx.doi.org/10.1364/OL.35.003538
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Abstract
We present an autocorrelation method to quantitatively map transverse particle-flow velocity with a Fourier-domain optical coherence tomography system. This method is derived from the intensity fluctuation of the backscattered light modulated by flowing particles. When passing through the probe beam, moving particles encode a transit time into the backscattered light. The slope of the normalized autocorrelation function of the backscattered light is proportional to the transverse velocity. The proposed method is experimentally verified using an intralipid scattering flow phantom.
© 2010 Optical Society of America
OCIS Codes
(110.4500) Imaging systems : Optical coherence tomography
(170.3880) Medical optics and biotechnology : Medical and biological imaging
ToC Category:
Imaging Systems
History
Original Manuscript: June 10, 2010
Revised Manuscript: September 11, 2010
Manuscript Accepted: September 21, 2010
Published: October 18, 2010
Virtual Issues
Vol. 6, Iss. 1 Virtual Journal for Biomedical Optics
Citation
Yi Wang and Ruikang Wang, "Autocorrelation optical coherence tomography for mapping transverse particle-flow velocity," Opt. Lett. 35, 3538-3540 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-21-3538
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