Rotation of particles by using the beam with orbital angular momentum

被引:17
作者
Gao, MW [1 ]
Gao, CQ [1 ]
He, XY [1 ]
Li, JZ [1 ]
Wei, GH [1 ]
机构
[1] Beijing Inst Technol, Dept Optoelect, Beijing 100081, Peoples R China
关键词
orbital angular momentum; twisted stigmatic beam; optical spanner; beam transformation;
D O I
10.7498/aps.53.413
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The twisted stigmatic beam with an orbital angular momentum was generated by transforming the Hermitian-Gaussian beam of a laser-diode-pumped solid-state laser through a rotated cylindrical lens system. By utilizing the orbital angular momentum of the generated beam, an "optical spanner" was designed and developed. By using the optical spanner micro-sized particles were trapped and rotated.
引用
收藏
页码:413 / 417
页数:5
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