Manipulation of colloidal gold nanoparticles in the evanescent field of a channel waveguide

被引：64

作者：

Ng, LN ^{[1
]}

Zervas, MN

Wilkinson, JS

Luff, BJ

机构：

[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England

[2] Bookham Technol, Abingdon OX14 4RY, Oxon, England

来源：

APPLIED PHYSICS LETTERS | 2000年 / 76卷 / 15期

关键词：

D O I：

10.1063/1.126232

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Colloidal gold spheres of radius 10 nm are reported to move forward in water, under the influence of radiation pressure forces, due to the evanescent field at the surface of an optical channel waveguide. The velocity is linearly dependent upon the optical power in the waveguide, acquiring a maximum velocity of 4 mu m/s for modal power of 500 mW in the TM polarization at a wavelength of lambda = 1.047 mu m. (C) 2000 American Institute of Physics. [S0003-6951(00)04215-7].

引用

页码：1993 / 1995

页数：3

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