Surface plasmon radiation forces

被引：239

作者：

Volpe, Giovanni ^{[1
]}

Quidant, Romain

Badenes, Goncal

Petrov, Dmitri

机构：

[1] ICFO, Barcelona 08860, Spain

[2] ICREA, Barcelona 08010, Spain

来源：

PHYSICAL REVIEW LETTERS | 2006年 / 96卷 / 23期

关键词：

D O I：

10.1103/PhysRevLett.96.238101

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the first experimental observation of momentum transfer from a surface plasmon to a single dielectric sphere. Using a photonic force microscope, we measure the plasmon radiation forces on different polystyrene beads as a function of their distance from the metal surface. We show that the force magnitude at resonance is strongly enhanced compared to a nonresonant illumination. Measurements performed as a function of the probe particle size indicate that optical manipulation by plasmon fields has a strong potential for optical sorting.

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页数：4

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