Propagation of cylindrically symmetric Gaussian beams in a higher-order nonlinear medium

被引：7
|
作者：
Jovanoski, Z
Sammut, RA
机构：
[1] Department of Mathematics, University College, University of New South Wales, Canberra
来源：
JOURNAL OF NONLINEAR OPTICAL PHYSICS & MATERIALS | 1997年 / 6卷 / 02期
关键词：
D O I：
10.1142/S0218863597000186
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The propagation of a cylindrically symmetric Gaussian beam in a cubic-quintic nonlinear medium is analysed via a variational approach. Explicit conditions for stationary beam propagation are determined and their stability to symmetric perturbation of the spot width is established. Approximate analytical solutions are secured for the spot width modulation with propagation distance. A comparison is made with beams propagating in a medium exhibiting a two-level saturation.
引用
收藏
页码：209 / 234
页数：26
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