Suppression of multiple scattering effects in quasielastic light scattering by homodyne cross‐correlation techniques

摘要

By studying cross correlations in the intensity of light scattered by a fluid sample in different directions at different times, it is possible to measure the dynamic scattering function S(k,t) for the fluid. The multiple scattering contribution to the time‐dependent cross correlations is very substantially less than the multiple scattering contribution to S(k,t) as obtained by a conventional single‐detector quasielastic light scattering system.