Nonparaxial propagation of rotating Cosh-Gaussian beams

被引：0
|
作者：
Dongmei Deng
Xi Peng
Chidao Chen
Bo Chen
Yulian Peng
Meiling Zhou
机构：
[1] South China Normal University,Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices
来源：
Journal of the Korean Physical Society | 2015年 / 66卷
关键词：
Exact rotating Cosh-Gaussian; Poynting vector; Free space;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Starting from the inhomogeneous Helmholtz equation, we obtain the exact rotating Cosh-Gaussian vector potential solution oriented along the propagation axis (i.e., the z axis). The electric and the magnetic fields are both expressed in terms of rotating Cosh-Gaussian beams (RCGBs) that are rigorous solutions to Maxwell’s equations. The paraxial and the nonparaxial RCGBs have an inherent rotating property in that the angular velocity decreases with increasing the propagation distance. The evolution of the Poynting vector of the RCGBs is analyzed as they propagate in free space.
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页码：774 / 778
页数：4
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