Controlling the Flow of Microscopic Particles—The Role of Beam Size
Controlling the Flow of Microscopic Particles—The Role of Beam Size作者机构：Department of Physics University College of Science Mohan Lal Sukhadia University Udaipur India Theoretical Physics Division Physical Research Laboratory Ahmedabad India
出 版 物：《Optics and Photonics Journal》 (光学与光子学期刊（英文）)
年 卷 期：2012年第2卷第4期
页 面：294-299页
学科分类：1002[医学-临床医学] 100214[医学-肿瘤学] 10[医学]
主 题：Optical Manipulation Optical Tweezers Directional Flow
摘 要：Flow of micro particles and fluids is important in many microscopic systems. Here we present details of our finding of a directional flow of micro particles due to a single beam optical trap. It was found that the directional flow depends upon the size of optical trap, the number density of particles in the solution and the time after the trap was created. We suggest controlling the motion of microscopic particles in a fluid by varying a simple parameter like beam size for microfluidics applications.
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