Self-focusing of multi-Gaussian laser beams in nonlinear optical media as a Kepler's central force problem

Gupta Naveen; Kumar Sandeep

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Self-focusing of multi-Gaussian laser beams in nonlinear optical media as a Kepler's central force problem

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摘要

In this paper self-focusing of multi-Gaussian laser beam in nonlinear optical media has been investigated theoretically. Saturation of the optical nonlinearity has been incorporated through cubic-quintic model. Moment theory approach in W.K.B approximation has been invoked to find the numerical solution of nonlinear wave equation for the field of incident laser beam. Particularly the dynamical evolutions of the beam width of the laser beam with distance of propagation have been investigated in detail. It has been shown that the self-focusing of the laser beam resembles to Kepler's central force problem.

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来源
《Optical and Quantum Electronics》 |2020年第3期|共17页
作者
Gupta Naveen; Kumar Sandeep;
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作者单位

Lovely Profess Univ Phagwara, Sch Chem Engn & Phys Sci, Phagwara, India;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类光学;
关键词
Self focusing; Multi Gaussian; Kepler's central force problem; Potential well;

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Self-focusing of multi-Gaussian laser beams in nonlinear optical media as a Kepler's central force problem

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