Charactrisation of particle assemblies by 3D cross correlation light scattering and diffusing wave spectroscopy

Frank Scheffold

doi:10.1117/12.2082232

6 August 2014 Charactrisation of particle assemblies by 3D cross correlation light scattering and diffusing wave spectroscopy

Frank Scheffold

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Proceedings Volume 9232, International Conference on Optical Particle Characterization (OPC 2014); 923203 (2014) https://doi.org/10.1117/12.2082232
Event: International Conference on Optical Particle Characterization (OPC 2014), 2014, Tokyo, Japan

Abstract

To characterize the structural and dynamic properties of soft materials and small particles, information on the relevant mesoscopic length scales is required. Such information is often obtained from traditional static and dynamic light scattering (SLS/DLS) experiments in the single scattering regime. In many dense systems, however, these powerful techniques frequently fail due to strong multiple scattering of light. Here I will discuss some experimental innovations that have emerged over the last decade. New methods such as 3D static and dynamic light scattering (3D LS) as well as diffusing wave spectroscopy (DWS) can cover a much extended range of experimental parameters ranging from dilute polymer solutions, colloidal suspensions to extremely opaque viscoelastic emulsions.

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Frank Scheffold "Charactrisation of particle assemblies by 3D cross correlation light scattering and diffusing wave spectroscopy", Proc. SPIE 9232, International Conference on Optical Particle Characterization (OPC 2014), 923203 (6 August 2014); https://doi.org/10.1117/12.2082232

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