Radiation force acting on a Rayleigh dielectric sphere produced by Whittaker-Gaussian beams

被引：8
|
作者：
Tang, Bin [1 ]
Chen, Kai [1 ]
Huang, Li [1 ]
Zhou, Xin [2 ]
Lang, Xianzhong [1 ]
机构：
[1] Changzhou Univ, Sch Math & Phys, Changzhou 213164, Peoples R China
[2] Hunan Univ Technol, Sch Sci, Zhuzhou 412008, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2018年 / 107卷
关键词：
COHERENT; PARTICLE; LASER;
D O I：
10.1016/j.optlastec.2018.05.026
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Optical trapping and manipulating of micro particles have attracted extensive interests due to the advantages of being noncontact and noninvasive. In this work, the field distribution of Whittaker-Gaussian (WG) beams propagating through a lens and the radiation force acting on the Rayleigh particle are investigated numerically and theoretically. The results show that the WG beams can trap the particles with both high and low index of refractive near the focus. The influences of optical parameters on the radiation forces are analyzed in detail. Furthermore, the conditions for trapping stability are also discussed. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：239 / 243
页数：5
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