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Université de Fribourg

Improved diffusing wave spectroscopy based on the automatized determination of the optical transport and absorption mean free path

Zhang, Chi ; Reufer, Mathias ; Gaudino, Danila ; Scheffold, Frank

In: Korea-Australia Rheology Journal, 2017, vol. 29, no. 4, p. 241–247

Diffusing wave spectroscopy (DWS) can be employed as an optical rheology tool with numerous applications for studying the structure, dynamics and linear viscoelastic properties of complex fluids, foams, glasses and gels. To carry out DWS measurements, one first needs to quantify the static optical properties of the sample under investigation, i.e. the transport mean free path l* and the...