PMID: 22587095May 17, 2012Paper

Easy-use and low-cost fiber-based two-color dynamic light-scattering apparatus

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
Achim Lederer, Hans Joachim Schöpe

Abstract

We present a small and compact two-color cross-correlation light-scattering setup designed to study the structure and dynamics of colloidal suspensions in the regime of considerable turbidity. Using a homemade concentric four-arm goniometer, combined with fiber-optical illumination and detection devices, allows an easy and long time stable alignment-even under a temperature variation of ∼5 °C. Tests with a nearly multiple scattering free suspension of small Rayleigh scatterers show intercepts in cross correlation near 0.4 over a wide range of scattering angles from 20° to 150°. Measuring slightly turbid samples in cross-correlation mode multiple scattering is sufficiently suppressed allowing the determination of multiple scattering free dynamic structure factors as well as particle form factors.

References

Nov 1, 1996·Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics·Y HeK Schätzel
Dec 29, 2000·Nature·H ReichertG Reiter
Apr 24, 2002·Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics·A Moussaïd, P N Pusey
Jun 1, 2004·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·G PetekidisG Fytas
May 23, 2006·Physical Review Letters·Hans Joachim SchöpeWilliam van Megen
Aug 7, 2007·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Patrick Wette, Hans Joachim Schöpe
Oct 12, 2007·Langmuir : the ACS Journal of Surfaces and Colloids·H J SchöpeG Bryant
Mar 5, 2009·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Patrick WetteDieter M Herlach
Jan 5, 2011·The Review of Scientific Instruments·Ian D Block, Frank Scheffold
Mar 11, 2011·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Jade TaffsC Patrick Royall

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Citations

Jul 19, 2014·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Thomas Palberg
Oct 30, 2014·Soft Matter·Anna KozinaEckhard Bartsch
Jun 3, 2017·The Journal of Chemical Physics·Denis BotinThomas Palberg
Aug 14, 2020·Langmuir : the ACS Journal of Surfaces and Colloids·Kathrin EitelHans Joachim Schöpe

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