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The statement of the problem concerning the formation of speckled biospeckles with a small number of scatterers has been reviewed briefly in this paper. Formulas relating to diffraction of focused Gaussian beam from narrow random flow to bioliquid have been discussed. Flow has been considered as a set of moving random screens. Statistical properties of doubly scattered speckles have been investigated. The correlation function of intensity fluctuations of statistically inhomogeneous speckled speckles has been studied with regard to bioflow measurement. Dependencies of statistical characteristics of small-N cascade speckles on the number of scattering screens have been discussed. It has been shown that the value of Doppler bandwidth in the scattered light essentially depends on the spatial velocity distribution in the flow. Mechanism of formation of output signal of speckle-microscope for measurements of blood and lymph flow in narrow vessels has been also considered. Output characteristics of measuring system have been studied. Dependence of spectral moments of output signal of speckle-microscope on the velocity of bioflow and its scattering characteristics has been analyzed.
Sergey S. Ulyanov
"Use of speckled speckles in high-resolution measurement of random bioflow", Proc. SPIE 3863, 1999 International Conference on Biomedical Optics, (17 September 1999); https://doi.org/10.1117/12.364393
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Sergey S. Ulyanov, "Use of speckled speckles in high-resolution measurement of random bioflow," Proc. SPIE 3863, 1999 International Conference on Biomedical Optics, (17 September 1999); https://doi.org/10.1117/12.364393