PHASE-SEPARATION AND DROPLET NUCLEATION INDUCED BY AN OPTICAL PISTON

被引:19
作者
DELVILLE, JP
LALAUDE, C
FREYSZ, E
DUCASSE, A
机构
[1] Centre de Physique Moléculaire Optique et Hertzienne, Université Bordeaux I, F-33405 Talence Cedex
来源
PHYSICAL REVIEW E | 1994年 / 49卷 / 05期
关键词
D O I
10.1103/PhysRevE.49.4145
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
We propose to use laser-induced concentration variations due to electrostrictive or thermodiffusive coupling in order to drive a phase separation in a liquid mixture. The properties of such a composition quench, analyzed in a microemulsion in the thermodiffusive case, are reported. Droplets of the minority phase are nucleated and trapped in the laser beam, and their dynamics is described. This experiment allows one to analyze nucleation in an original wetting-free one-dimensional geometry.
引用
收藏
页码:4145 / 4148
页数:4
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