Backward Raman amplification in plasmas with chirped wideband pump and seed pulses |
| |
| Authors: | Wu Zhao-Hui Wei Xiao-Feng Zuo Yan-Lei Liu Lan-Qin Zhang Zhi-Meng Li Min Zhou Yu-Liang Su Jing-Qin |
| |
| Institution: | a Department of Electric-optics, Nanjing University of Science and Technology, Nanjing 210094, China;
b Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China;
c Science and Technology on Plasma Physics Laboratory, Mianyang 621900, China |
| |
| Abstract: | Chirped wideband pump and seed pulses are usually considered for backward Raman amplification(BRA)in plasmas to achieve an extremely high-power laser pulse.However,current theoretical models only contain either a chirped pump or a chirped seed.In this paper,modified three-wave coupling equations are proposed for the BRA in the plasmas with both chirped wideband pump and seed.The simulation results can more precisely describe the experiments,such as the Princeton University experiment.The optimized chirp and bandwidth are determined based on the simulation to enhance the output intensity and efficiency. |
| |
| Keywords: | ultrashort pulse generation Raman lasers laser-plasma interactions plasma simulation |
| 本文献已被 CNKI 等数据库收录！ |
| 点击此处可从《中国物理 B》浏览原始摘要信息 |
| 点击此处可从《中国物理 B》下载免费的PDF全文 |
|
