High-sensitivity low-coherence dynamic light scattering and particle sizing for nanoparticles (II): SM-fiber probe system applied to dense particle suspensions

Sohichiro Nakamura; Yuki Sato; Katsuhiro Ishii

doi:10.1117/12.2063641

6 August 2014 High-sensitivity low-coherence dynamic light scattering and particle sizing for nanoparticles (II): SM-fiber probe system applied to dense particle suspensions

Sohichiro Nakamura, Yuki Sato, Katsuhiro Ishii

Author Affiliations +

Proceedings Volume 9232, International Conference on Optical Particle Characterization (OPC 2014); 92320I (2014) https://doi.org/10.1117/12.2063641
Event: International Conference on Optical Particle Characterization (OPC 2014), 2014, Tokyo, Japan

Abstract

High-sensitivity low-coherence dynamic light scattering (LC-DLS) is a powerful technique for measuring particle sizes in dense suspensions without the need for dilution. We have developed an LC-DLS system with a single-mode (SM)- fiber probe system and small container that can be used to hold samples of 10μL in volume. The system can be applied to lysozyme of a few nm in diameter. We have developed an angle-resolved SM-fiber probe system that is able to identify particle motion type and we verified our design by identifying the diffusion modes of particles in a polystyrene suspension.

Citation Download Citation

Sohichiro Nakamura, Yuki Sato, and Katsuhiro Ishii "High-sensitivity low-coherence dynamic light scattering and particle sizing for nanoparticles (II): SM-fiber probe system applied to dense particle suspensions", Proc. SPIE 9232, International Conference on Optical Particle Characterization (OPC 2014), 92320I (6 August 2014); https://doi.org/10.1117/12.2063641

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