First-principles calculations of the electron dynamics during femtosecond laser pulse train material interactions

被引：37
|
作者：
Wang, C. [1 ]
Jiang, L. [1 ]
Wang, F. [2 ]
Li, X. [1 ]
Yuan, Y. P. [1 ]
Tsai, H. L. [3 ]
机构：
[1] Beijing Inst Technol, Sch Mech Engn, Laser Micro Nano Fabricat Lab, Beijing 100081, Peoples R China
[2] Beijing Inst Technol, Dept Appl Phys, Beijing 100081, Peoples R China
[3] Missouri Univ Sci & Technol, Dept Mech & Aerosp Engn, Rolla, MO 65409 USA
来源：
PHYSICS LETTERS A | 2011年 / 375卷 / 36期
基金：
中国国家自然科学基金;
关键词：
TDDFT; Electron dynamics; Laser pulse train; ABLATION; DIELECTRICS; MANIPULATION; OPTIMIZATION; BREAKDOWN; H-2(+); FIELD;
D O I：
10.1016/j.physleta.2011.07.009
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
This Letter presents first-principles calculations of nonlinear electron-photon interactions in crystalline SiO2 ablated by a femtosecond pulse train that consists of one or multiple pulses. A real-time and real-space time-dependent density functional method (TDDFT) is applied for the descriptions of electrons dynamics and energy absorption. The effects of power intensity, laser wavelength (frequency) and number of pulses per train on the excited energy and excited electrons are investigated. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：3200 / 3204
页数：5
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