OPTICAL TRAPPING OF MICROSCOPIC METAL PARTICLES

被引：131

作者：

SATO, S

HARADA, Y

WASEDA, Y

机构：

[1] nstitute for Advanced Materials Processing, Tohoku University, Aoba-ku, Sendai, 980-77

来源：

OPTICS LETTERS | 1994年 / 19卷 / 22期

关键词：

D O I：

10.1364/OL.19.001807

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The optical trapping of microscopic metal particles with a fixed Nd:YAG laser beam of TEM(00) and TEM(01)* modes is demonstrated. Three kinds of metal particles (bronze, silver, and gold) used in the experiments were trapped two-dimensionally only when the laser beam focus was located near the bottom of the particle. Consideration of a simple model on the basis of ray optics indicates that a fixed single beam itself can produce a force that will pull the particle into the beam axis. A linear focal pattern also was applied to trap several particles simultaneously.

引用

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页码：1807 / 1809

页数：3

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