Evolution of the beam-width parameter of zeroth-order Bessel-Gaussian beams in collisional plasma with density ripple

Ouahid L.; Dalil-Essakali L.; Belafhal A.

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Evolution of the beam-width parameter of zeroth-order Bessel-Gaussian beams in collisional plasma with density ripple

机译：具有密度波动的碰撞等离子体中零阶贝塞尔-高斯光束的束宽参数的演化

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摘要

In the present paper, we have investigated the self-focusing of zeroth-order Bessel-Gaussian beams in collisional plasma with density ripple. Based on Wentzel-Kramers-Brillouin and the paraxial ray approximations, the nonlinear differential equation governing the evolution of beam-width parameter is evaluated. The variation of beam-width parameter with propagation distance is examined for different values of ripple wave number and beam parameters. From our study, it is seen that stronger self-focusing is obtained when the density ripple is important. The results corresponding to Gaussian beams are deduced from this work as a particular case.

机译：在本文中，我们研究了零阶贝塞尔-高斯光束在具有密度波动的碰撞等离子体中的自聚焦。基于Wentzel-Kramers-Brillouin和近轴射线近似，评估了控制光束宽度参数演变的非线性微分方程。对于波纹波数和光束参数的不同值，研究了光束宽度参数随传播距离的变化。从我们的研究中可以看出，当密度纹波很重要时，可以获得更强的自聚焦。从这项工作中推导出对应于高斯光束的结果作为特殊情况。

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来源
《Optical and quantum electronics》 |2019年第4期|109.1-109.12|共12页
作者
Ouahid L.; Dalil-Essakali L.; Belafhal A.;
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作者单位

Chouaib Doukkali Univ Fac Sci Dept Phys Laser Phys Grp Lab LPNAMME PB 20 El Jadida 24000 Morocco;

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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 eng
中图分类
关键词
Zeroth-order Bessel-Gaussian beams; Wentzel-Kramers-Brillouin approximation; Collisional plasma; Density ripple;

机译：零阶贝塞尔-高斯光束;Wentzel-Kramers-Brillouin近似;碰撞血浆密度纹波;

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2. Study of Terahertz Radiation Generation by Two Laser Beams in an Axial Magnetized Rippled Density Plasma [J] . Ayoob Hematizadeh, Seyed Masud Jazayeri Plasma Science, IEEE Transactions on . 2017,第7期

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3. Terahertz generation by relativistic ponderomotive focusing of two co-axial Gaussian laser beams propagating in ripple density plasma [J] . Kumar Subodh, Singh Ram Kishor, Sharma R. P. Physics of plasmas . 2015,第10期

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4. Exploration of Temperature Range for Self-Focusing of Lowest-order Bessel-Gaussian Laser Beams in Plasma with Relativistic and Ponderomotive Regime [C] . S. D. Patil, A. T. Valkunde, B. D. Vhanmore, International Conference on Advances in Basic Sciences . 2019

机译：具有相对论和思考的等离子体中最低级贝塞尔 - 高斯激光束自聚焦温度范围的探讨
5. Plasma spectroscopic diagnostic tool using collisional-radiative models and its application to different plasma discharges for electron temperature and neutral density determination. [D] . Sciamma, Ella Marion. 2007

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6. Beam emittance preservation using Gaussian density ramps in a beam-driven plasma wakefield accelerator [O] . M. D. Litos, R. Ariniello, C. E. Doss, -1

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8. Temporal Evolution of the Electron Density in High-Pressure Electron-Beam-Excited Xenon Plasmas. [R] . Zamir, E., Werner, C. W., Lapatovich, W. P., 1975

机译：高压电子束激发氙等离子体中电子密度的时间演变。

Evolution of the beam-width parameter of zeroth-order Bessel-Gaussian beams in collisional plasma with density ripple

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