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Temporal autocorrelation function for a diffusing-wave spectroscopy experiment with a point source and backscattering
Applied Optics
|March 25, 2008
Abstract:
The autocorrelation function of the backscattered intensity in a diffusing-wave spectroscopy experiment that uses a point source is calculated by use of the diffusive-wave model. We show that in this approximation the calculated autocorrelation function decays faster than if the plane-source approximation were used. The design of a probe that implements this geometry is presented together with preliminary results that show the utility of the probe as a sizing tool in concentrated dispersions.
