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

被引：1
作者：
Derkachov, G. [1 ]
Jakubczyk, D. [1 ]
Kolwas, K. [1 ]
Shopa, Y. [2 ]
Wozniak, M. [1 ]
Wojciechowski, T. [1 ,3 ]
机构：
[1] Polish Acad Sci, Inst Phys, Al Lotnikow 32-46, PL-02668 Warsaw, Poland
[2] Cardinal Stefan Wyszynski Univ Warsaw, 5 Dewajtis St, PL-01815 Warsaw, Poland
[3] Int Res Ctr MagTop, Al Lotnikow 32-46, PL-02668 Warsaw, Poland
来源：
THIRTEENTH INTERNATIONAL CONFERENCE ON CORRELATION OPTICS | 2017年 / 10612卷
关键词：
dynamic light scattering; auto-correlation function; droplets; silica nanoparticles; electrodynamic trap; CUMULANTS;
D O I：
10.1117/12.2305397
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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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页数：6
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