Sequential trapping of single nanoparticles using a gold plasmonic nanohole array

查看全文 作　　者：XUE [1]HAN;VIET GIANG [1]TRUONG;PRINCE SUNIL [1,3]THOMAS;SILE NIC [1,2]CHORMAIC

机构地区：[1]Light-Matter Interactions Unit, Okinawa Institute of Science and Technology Graduate University, Onna, Okinawa 904-0495, Japan;[2]Universite Grenoble Alpes, CNRS, Grenoble INP, Institut Neel, 38000 Grenoble, France;[3]Advanced Optical Imaging Group, School of Physics, University College Dubfin, Ireland

出　　处：《Photonics Research》索引2018年第6卷第10期,共6页

基　　金：Okinawa Institute of Science and Technology Graduate University 摘　　要：We have used a gold nanohole array to trap single polystyrene nanoparticles, with a mean diameter of 30 nm, into separated hot spots located at connecting nanoslot regions. A high trap stiffness of approximately 0.85 fN∕(nm·m W)at a low-incident laser intensity of ~0.51 m W∕μm^2 at 980 nm was obtained. The experimental results were compared to the simulated trapping force, and a reasonable match was achieved. This plasmonic array is useful for lab-on-a-chip applications and has particular appeal for trapping multiple nanoparticles with predefined separations or arranged in patterns in order to study interactions between them. 关键词：金纳米孔聚苯乙烯纳米粒子通讯技术发展现状

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Sequential trapping of single nanoparticles using a gold plasmonic nanohole array

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