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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
关键词	Particle separation near-field speckle pattern waveguide array optical force Brownian motion MANIPULATION CELLS
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-mu m and 0.5-mu m particles are studied under the co-action of Brownian motion and the exerted optical force. The experimental results show that the 2-mu m particle has an average lateral displacement of 10 mu m, which is considerably larger than that of the 0.5-mu m particle. This method avoids the stringent optical systems and broadens the perspectives of optical manipulation in real-life applications.; CPCI-S(ISTP); eaqliu@ntu.edu.sg; 696-699
语种	英语
出处	18th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS)
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/450289]
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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