Tunable optical sorting and manipulation of nanoparticles via plasmon excitation

被引：39
作者：
Zelenina, Anna S.
Quidant, Romain [1 ]
Badenes, Goncal
Nieto-Vesperinas, Manuel
机构：
[1] ICFO, Inst Ciencies Foton, Castelldefels 08860, Barcelona, Spain
[2] CSIC, ICMM, E-28049 Madrid, Spain
来源：
OPTICS LETTERS | 2006年 / 31卷 / 13期
关键词：
D O I：
10.1364/OL.31.002054
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We numerically investigate the optical forces exerted by an incident light beam on Rayleigh metallic particles over a dielectric substrate. In analogy with atom manipulation, we identify two different trapping regimes depending on whether the illumination is performed within the plasmon band or out of it. By adjusting the incident wavelength, the particles can be selectively guided, or immobilized, at the substrate interface. (c) 2006 Optical Society of America.
引用
收藏
页码：2054 / 2056
页数：3
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