Colloidal systems in intense, two-dimensional laser fields

被引：3
|
作者：
Brunner, M [1 ]
Bechinger, C [1 ]
机构：
[1] Univ Konstanz, Dept Phys, D-78457 Constance, Germany
来源：
TRENDS IN COLLOID AND INTERFACE SCIENCE XVI | 2004年 / 123卷
关键词：
colloids; two-dimensional phase transitions; optical tweezers;
D O I：
10.1007/b11751
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The properties of two-dimensional (2D) colloidal systems in the presence of a strong laser field are studied. By interfering three laser beams we obtain a 2D laser field, which acts as an artificial substrate potential to the particles. In contrast to topographical substrate potentials, the use of a light potential allows changes in the potential strength and the periodicity of the substrate potential continuously. We report first results on charge stabilised polystyrene particles on a triangular light potential.
引用
收藏
页码：156 / 159
页数：4
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