Induced chirp in laser wake-field generation

被引：1

作者：

Taghipour, Meisam ^{[1
]}

Mirzanejhad, Saeed ^{[1
]}

Sohbarzadeh, Farshad ^{[1
]}

Asri, Mehdi ^{[2
]}

机构：

[1] Mazandaran Univ, Dept Phys, Fac Sci, Babol Sar, Iran

[2] Islamic Azad Univ, Dept Phys, Chalous Branch, Chalous, Iran

来源：

PHYSICA SCRIPTA | 2012年 / 85卷 / 03期

关键词：

PULSE-SHAPE; PLASMA;

D O I：

10.1088/0031-8949/85/03/035505

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Particle-in-cell simulation is used to illustrate induced chirp in the laser wake-field generation experiment. The evolution of the laser pulse characteristics and the wake-field amplitude is investigated numerically. The local frequency of the laser pulse is influenced during wake-field excitation. The numerical result shows that the negative Gaussian chirp profile is the mainly induced chirp throughout the laser pulse. Hence, the induced negative Gaussian chirp has a significant influence on wake-field generation and consequently on the acceleration gradient in the wake-field acceleration.

引用

页数：4

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