Light scattering by microdroplets of water and water suspensions

被引：1

作者：

Jakubczyk, D ^{[1
]}

Zientara, M ^{[1
]}

Derkachov, G ^{[1
]}

Kolwas, K ^{[1
]}

Kolwas, M ^{[1
]}

机构：

[1] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland

来源：

5th Workshop on Atomic and Molecular Physics | 2005年 / 5849卷

关键词：

charged droplet; electrodynamic trap; microparticle levitation; mass accommodation coefficient; thermal accommodation coefficient;

D O I：

10.1117/12.629464

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

We investigated elastic light scattering on isolated evaporating droplets of. radius between 1 and 20 mu m. The droplets were either pure water or a water based suspension, they carried electric charge and were contained in an electrodynamic trap. The evolution of the trapped droplet was investigated by means of scatterometry. A numerical model of such evolution, incorporating the kinetic effects near the droplet surface was constructed. For water droplets with spherical inclusions the radius as well as effective refractive index was determined. An essential deviation, in the form of a resonance, from predictions by standard effective medium theories was encountered. Simple analysis of the phenomenon was conducted and a qualitative explanation is proposed. Similar analysis was applied to fullerene water suspension droplets in order to investigate the real part of refraction index.

引用

页码：62 / 69

页数：8

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