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Compensation for causes of temporal fluctuations of backscattered speckle patterns in laser speckle rheology of biological fluids
Compensation for causes of temporal fluctuations of backscattered speckle patterns in laser speckle rheology of biological fluids
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机译：补偿生物流体激光散斑流变学中反向散射散斑图案随时间波动的原因
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摘要
An algorithm for determining viscoelastic modulus of an optically scattering biofluid that takes into account variable scattering and/or absorption characteristics of the biofluid. A correction to mean square displacement value charactetizing the Brownian motion of light scatterers is introduced based on a polarization-sensitive Monte-Carlo ray-tracing taking into account optical properties of the biofluid determined with the use of laser speckle rheology measurements. In contradistinction with a diffusion model, the correction-implemented determination of the viscoelastic modulus applies to a biofluid with substantially any concentration of light-scattering particles.
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