Abstract
In previous systems for measuring cross-correlated light scattering by seed particles suspended in a liquid with multiple scattering suppression, the particles have been illuminated with two laser beams. We illustrate that multiple scattering suppression should also occur in cross-correlation for a system employing a single laser beam and two closely-spaced detectors. We calculate the single scattering, double scattering, and single scattering-double scattering cross term contributions to the intensity cross-correlation function for this system. We find that the two cross terms are of opposite sign, greatly reducing their contribution when added together. The amplitude of the double scattering term may be greatly diminished by judicious detector spacing because the spatial coherence area in the detector plane for double scattering is much smaller in one direction than that for single scattering.
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© 1997 Springer Science+Business Media Dordrecht
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Lock, J.A. (1997). Theory of Multiple Scattering Suppression in Cross-Correlated Light Scattering Employing a Single Laser Beam. In: Pike, E.R., Abbiss, J.B. (eds) Light Scattering and Photon Correlation Spectroscopy. NATO ASI Series, vol 40. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5586-1_6
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DOI: https://doi.org/10.1007/978-94-011-5586-1_6
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