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	Particle separation under the co-action of Brownian motion and optical force in near-field speckle patterns
	Zhao, H.T. ; Zhang, G. ; Chin, L.K. ; Cai, H. ; Song, J.F. ; Yang, Z.C. ; Yap, E.P.H. ; Ser, W. ; Kwong, D.L. ; Liu, A.Q.
	2015
英文摘要	Continuous separation of nano-sized molecules has great importance in biomedical applications. This paper represents a near-field optical approach to separate nanoparticles using speckle patterns. Near-field random light patterns (speckle pattern) are generated by the repeated coupling and interference of light in nano-waveguide arrays. The movements of 2-μm and 0.5-μm particles are studied under the co-action of Brownian motion and the exerted optical force. The experimental results show that the 2-μm particle has an average lateral displacement of 10 μm, which is considerably larger than that of the 0.5-μm particle. This method avoids the stringent optical systems and broadens the perspectives of optical manipulation in real-life applications. ? 2015 IEEE.; EI; 696-699
语种	中文
出处	18th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2015
DOI标识	10.1109/TRANSDUCERS.2015.7181018
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/436769]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Zhao, H.T.,Zhang, G.,Chin, L.K.,et al. Particle separation under the co-action of Brownian motion and optical force in near-field speckle patterns. 2015-01-01.

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