Anomalous transverse transformation of astigmatic four-petal Gaussian beams in isotropic nonlocal nonlinear media

被引：2

作者：

Yang, Zhen-Jun ^{[1
]}

Bu, Hong-Xia ^{[1
]}

Wang, Yong-Bo ^{[1
]}

Li, Xing-Liang ^{[1
]}

Zhang, Shu-Min ^{[1
]}

机构：

[1] Hebei Normal Univ, Coll Phys & Informat Engn, Hebei Adv Thin Films Key Lab, Shijiazhuang 050024, Hebei, Peoples R China

来源：

RESULTS IN PHYSICS | 2018年 / 10卷

基金：

中国国家自然科学基金;

关键词：

Isotropic nonlocal media; Astigmatic four-petal Gaussian beam; Anomalous transverse transformation; SOLITONS;

D O I：

10.1016/j.rinp.2018.06.025

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, the evolution dynamics of astigmatic four- petal Gaussian beams in isotropic nonlocal nonlinear media is investigated. A series of analytical expressions are derived to describe the beam evolution, the beam width, and the critical power. The anomalous transverse transformation is presented, i.e., an astigmatic four-petal Gaussian beam is compressed in one transverse direction and it is broadened in the other transverse direction. These evolution characteristics of astigmatic four- petal Gaussian beams are illustrated through some numerical simulations.

引用

页码：320 / 322

页数：3

共 18 条

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