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	Acoustic manipulation of microparticles in a sub-wavelength slot between two plates
	Chen Wang; Feiyan Cai; Fei Li; Long Meng; Yan Kang; Hairong Zheng
	2016
会议名称	2016 IEEE International Ultrasonics Symposium (IUS)
会议地点	法国图尔
英文摘要	The ability to manipulate microparticles or nanoparticles precisely is important for the development of microsystem. Acoustic tweezers are excellent tools for manipulating particles with size approaching or slightly smaller than wavelength. However, manipulation of microparticles with much smaller size requires stronger acoustic confinement and higher intensities than can be provided by these diffraction-limited acoustic tweezers. Here, we demonstrate the use of a subwavelength slot between two plates for acoustic manipulation of microparticles with size far smaller than wavelength. The mechanism of manipulation is based on the acoustic trapping force induced by the highly localized acoustic field in the sub-wavelength slot. In addition, we found that the narrower the slot is, the more localized the field can be, and the stronger acoustic radiation force can be obtained. Thus, this system could be potentially used in acoustofluidics for manipulation of nanoparticles.
收录类别	EI
语种	英语
内容类型	会议论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/10613]
专题	深圳先进技术研究院_医工所
作者单位	2016
推荐引用方式 GB/T 7714	Chen Wang,Feiyan Cai,Fei Li,et al. Acoustic manipulation of microparticles in a sub-wavelength slot between two plates[C]. 见:2016 IEEE International Ultrasonics Symposium (IUS). 法国图尔.

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