Assembling and dynamic ejection of polystyrene particles in CW laser trapping at solution surface

Jia Syun Lu, Tetsuhiro Kudo, Hiroshi Masuhara*

*Corresponding author for this work

研究成果: Conference article

摘要

Assembling and ejection dynamics of polystyrene microparticles of 1 micrometer is revealed by applying CW laser trapping at solution surface. Initially a concentric circle-like assembly is rapidly prepared, giving a size much larger than the focus. Assembling evolves, showing some fluctuation in its size, which is accompanied with ejecting of some microparticles. The concentric-like structure is transformed into a hexagonal packing structure, then the ejection is much suppressed. Microparticles are ejected in a linearly aligned manner and its speed is slowed down with time and the distance. Assembling and ejection dynamics is considered in terms of light scattering of the trapping laser.

原文English
文章編號OMC-4-01
期刊Proceedings of SPIE - The International Society for Optical Engineering
11141
出版狀態Published - 1 一月 2019
事件Optical Manipulation and Structured Materials Conference 2019 - Yokohama, Japan
持續時間: 22 四月 201926 四月 2019

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