Application of dynamic light scattering for studying the evolution of micro- and nano-droplets

G. Derkachov; D. Jakubczyk; K. Kolwas; Y. Shopa; M. Woźniak; T. Wojciechowski

doi:10.1117/12.2305397

18 January 2018 Application of dynamic light scattering for studying the evolution of micro- and nano-droplets

G. Derkachov; D. Jakubczyk; K. Kolwas; Y. Shopa; M. Woźniak; T. Wojciechowski

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Proceedings Volume 10612, Thirteenth International Conference on Correlation Optics; 106120U (2018) https://doi.org/10.1117/12.2305397
Event: Thirteenth International Conference on Correlation Optics, 2017, Chernivtsi, Ukraine

Abstract

The dynamic light scattering (DLS) technique was used for studying the processes of aggregation of spherical SiO₂ particles in various diethylene glycol (DEG) suspensions. The suspensions were studied in a cuvette, in a millimeter-sized droplet and in a micrometer-sized droplet. For the first time DLS signals for droplets of picolitre volume, levitated in an electrodynamic quadrupole trap, were obtained. It is shown that the correlation analysis of light scattered from a micro-droplet allows monitoring the changes of its internal structure, as well as its motions: trap-constricted Brownian motions and random rotations.

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G. Derkachov, G. Derkachov, D. Jakubczyk, D. Jakubczyk, K. Kolwas, K. Kolwas, Y. Shopa, Y. Shopa, M. Woźniak, M. Woźniak, T. Wojciechowski, T. Wojciechowski, } "Application of dynamic light scattering for studying the evolution of micro- and nano-droplets", Proc. SPIE 10612, Thirteenth International Conference on Correlation Optics, 106120U (18 January 2018); doi: 10.1117/12.2305397; https://doi.org/10.1117/12.2305397

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