Dynamic motion analysis of optically trapped nonspherical particles with off-axis position and arbitrary orientation

被引：0

作者：

Kim, Jun-Sik ^{[1
]}

Kim, Seung-Woo ^{[1
]}

机构：

[1] Department of Mechanical Engineering, Korea Adv. Inst. of Sci./Technology, Science Town, Taejon 305-701, Korea, Republic of

来源：

Applied Optics | 2000年 / 39卷 / 24期

关键词：

Computer simulation - Mathematical models - Torque - Trajectories;

D O I：

10.1364/ao.39.004327

中图分类号：

学科分类号：

摘要：

We present a general computational method of determining radiation pressure forces and torques exerted on small particles by a converging beam of light. This method, based on a ray optics model of optical trapping, allows time-series dynamic motion analysis to be performed on nonspherical objects that are initially positioned off the optical axis with arbitrary orientation. Comparison tests of computer simulation with experimental results prove that the proposed model can be used to predict complicated trapping behavior of microfabricated objects. © 2000 Optical Society of America.

引用

页码：4327 / 4332