Vectorial structural characteristics of four-petal Gaussian beams in the far field

被引：4
|
作者：
Li, J. [1 ]
Chen, Y. [1 ]
Xin, Y. [1 ]
Zhou, M. [1 ]
Xu, S. [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Dept Opt Engn, Nanjing 210094, Jiangsu, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL-APPLIED PHYSICS | 2010年 / 50卷 / 03期
关键词：
PROPAGATION;
D O I：
10.1051/epjap/2010051
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Based on the vector angular spectrum theory of electromagnetic waves and the method of stationary phase, analytical vector structures of four-petal Gaussian beams (FPGB) in the far field are derived. The energy flux for the TE term, TM term and the whole beam are represented and illustrated with numerical examples. Effects of beam orders and paraxial degrees on energy flux distributions are discussed in detail, and the corresponding analytical explanations are also given. These results may provide a new approach to manipulate other higher-order laser beams in the far field.
引用
收藏
页码：30702 / p1
页数：7
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