Generation of twisted stigmatic beam and transfer of orbital angular momentum during the beam transformation

被引：2
|
作者：
Gao Ming-Wei [1 ]
Gao Chun-Qing [1 ]
Lin Zhi-Feng [1 ]
机构：
[1] Beijing Inst Technol, Dept Optoelect Engn, Beijing 100081, Peoples R China
来源：
ACTA PHYSICA SINICA | 2007年 / 56卷 / 04期
关键词：
orbital angular momentum; beam transformation; twisted stigmatic beam; transfer of orbital angular momentum;
D O I：
10.7498/aps.56.2184
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The twisted stigmatic beam with orbital angular momentum generated by transforming the Hermite-Gaussian beam through a rotated cylindrical lens system was studied. By utilizing of method of mode decomposition, the theory of transformation was analyzed. The transfer of orbital angular momentum during beam transformation was analyzed using beam transforming matrix and Collins integral. It was found that the angular momentum transfer takes place at the first cylindrical lens and remains constant after that.
引用
收藏
页码：2184 / 2190
页数：7
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