井冈山大学学报（自然科学版）2016，Vol.37Issue(3)：20-24,5.DOI:10.3969/j.issn.1674-8085.2016.03.005
超强脉冲激光在密度递增等离子体中自聚焦的PIC模拟
THE PIC SIMULATION OF THE SELF-FOCUSING OF ULTRA-INTENSE PULSE LASER IN PLASMA WITH RAMPED DENSITY PROFILE
摘要
Abstract
The self-focusing process of ultra-intense pulse, peak intensity up to 1022 Wcm-2, in plasma with ramped density profile is simulated using Epoch code. The simulation results shows that in the process, the pulse experiences a filamentation instability process first, and then the filament gathered quickly and forming the focus. In this process, a super steep pulse is formed, and the peak intensity enhanced almost 20 times higher than the peak intensity of the initial pulse, and reach to the order of 1023 Wcm-2.关键词
PIC粒子模拟/等离子体/超强激光脉冲/自聚焦Key words
PIC simulation/plasma/ultra-intense laser pulse/self-focusing分类
数理科学引用本文复制引用
胡强林,周身林,余晓光,罗小兵..超强脉冲激光在密度递增等离子体中自聚焦的PIC模拟[J].井冈山大学学报（自然科学版）,2016,37(3):20-24,5.基金项目
国家自然科学基金项目(51461020，11064005)；江西省原子与分子物理重点学科项目(2011-2015) （51461020，11064005）
