Suppression of Multiple Scattering by Photon Cross-correlation Techniques

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Abstract
With growing scientific interest in concentrated colloidal systems, multiple scattering becomes a major obstacle in many light-scattering experiments. Stimulated by work of Phillies and Drewel, three different dual-beam dual-detector dynamic light scattering experiments are discussed, which all achieve the isolation of singly scattered light by photon cross-correlation. All three experiments allow for a large variation of the scattering angle—an important requirement for studies of interacting systems.