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Proceedings Article

Use of dynamic speckle field space-time correlation function estimates for the direction and velocity determination of blood flow

[+] Author Affiliations
Ivan V. Fedosov, Valery V. Tuchin

Saratov State Univ. (Russia)

Proc. SPIE 4434, Hybrid and Novel Imaging and New Optical Instrumentation for Biomedical Applications, 192 (October 24, 2001); doi:10.1117/12.446678
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From Conference Volume 4434

  • Hybrid and Novel Imaging and New Optical Instrumentation for Biomedical Applications
  • Albert-Claude Boccara; Alexander A. Oraevsky
  • Munich, Germany | June 17, 2001

abstract

A method of flow direction and velocity determination using statistical properties of dynamic speckles is proposed. Two point detection of scattered light intensity fluctuations allows for slow flows velocity measuring and flow direction determination without incident beam frequency shifting and with using one focused incident beam. The space-time correlation functions estimated for two position of the incident beam waist allows for the flow space localization and the absolute flow velocity measuring. The described method has the principal advantages for the bioflow investigations in comparison of the traditional laser Doppler velocimetry.

© (2001) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Ivan V. Fedosov and Valery V. Tuchin
"Use of dynamic speckle field space-time correlation function estimates for the direction and velocity determination of blood flow", Proc. SPIE 4434, Hybrid and Novel Imaging and New Optical Instrumentation for Biomedical Applications, 192 (October 24, 2001); doi:10.1117/12.446678; http://dx.doi.org/10.1117/12.446678


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