Three dimensional force detection of gold nanoparticles using backscattered light detection

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	Three dimensional force detection of gold nanoparticles using backscattered light detection
	Huang, L ; Guo, HL ; Li, KL ; Chen, YH ; Feng, BH ; Li, ZY
刊名	JOURNAL OF APPLIED PHYSICS
	2013
卷号	113 期号:11
ISSN号	0021-8979
通讯作者	Huang, L (reprint author), Chinese Acad Sci, Lab Opt Phys, Inst Phys, Beijing 100190, Peoples R China.
中文摘要	We demonstrate three-dimensional position and force detection of single gold nanosphere (GNP) and gold nanorod (GNR) particles in optical trap by combining backscattered light detection and dark field imaging. The trapping stiffness of the GNPs and GNRs for all three dimensions is measured. The results show that the spring constants in the propagation direction of the trapping laser are somewhat weaker than in other two directions for GNPs. While for GNRs, the spring constants in the polarization direction of the trapping laser are a little weaker than in other two directions. The effect of trapping laser polarization on the particles yields different spring constants in the transverse plane which is perpendicular to the propagation direction. And this effect is larger on GNRs than GNPs. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4795272]
资助信息	973 Program of China [2013CB632704]; Knowledge Innovation Program of the Chinese Academy of Sciences [Y1V2013L11]
语种	英语
公开日期	2014-01-17
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/57595]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Huang, L,Guo, HL,Li, KL,et al. Three dimensional force detection of gold nanoparticles using backscattered light detection[J]. JOURNAL OF APPLIED PHYSICS,2013,113(11).
APA	Huang, L,Guo, HL,Li, KL,Chen, YH,Feng, BH,&Li, ZY.(2013).Three dimensional force detection of gold nanoparticles using backscattered light detection.JOURNAL OF APPLIED PHYSICS,113(11).
MLA	Huang, L,et al."Three dimensional force detection of gold nanoparticles using backscattered light detection".JOURNAL OF APPLIED PHYSICS 113.11(2013).