Far-field vectorial structure of a higher-order cosh-Gaussian beam

被引：10
|
作者：
Li, Jia [1 ]
Chen, Yanru [1 ]
Xu, Shixue [1 ]
Wang, Yongqing [1 ]
Zhou, Muchun [1 ]
Zhao, Qi [1 ]
Xin, Yu [1 ]
Chen, Feinan [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Dept Opt Engn, Nanjing 210094, Jiangsu, Peoples R China
来源：
JOURNAL OF MODERN OPTICS | 2010年 / 57卷 / 20期
基金：
中国国家自然科学基金;
关键词：
vector angular spectrum; cosh-Gaussian beam; energy flux distribution; FRACTIONAL FOURIER-TRANSFORM; GENERAL-TYPE BEAM; TURBULENT ATMOSPHERE; PROPAGATION PROPERTIES; OPTICAL-SYSTEM; LASER-BEAMS;
D O I：
10.1080/09500340.2010.515754
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Based on the vector angular spectrum representation and the method of stationary phase, the vectorial structural characteristics of a higher-order cosh-Gaussian (HOCG) beam in the far field are investigated. Analytical expressions for the energy flux distributions of the TE term, TM term and the whole beam are derived and illustrated by numerical examples. Influences of beam orders and cosh parameters on energy flux distributions are analyzed, respectively. Furthermore, the discrepancy for the total energy flux distributions between the non-paraxial and paraxial cases is presented and analytical explanations for the phenomenon are also given.
引用
收藏
页码：2039 / 2047
页数：9
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