Generation of high-quality electron beams from a laser-based advanced accelerator

被引：0
作者：
Elsied, Ahmed M. M.
Hafz, Nasr A. M. [1 ]
Li Song
Sokollik, Mohammad Mirzaie Thomas
Zhang Jie
机构：
[1] Shanghai Jiao Tong Univ, Key Lab Laser Plasmas MOE, Shanghai 200240, Peoples R China
来源：
CHINESE PHYSICS C | 2015年 / 39卷 / 06期
关键词：
laser wakefield acceleration; electron beam; gas jet; terawatt laser; SELF-MODULATION; PULSE;
D O I：
10.1088/1674-1137/39/6/067003
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
At Shanghai Jiao Tong University (SJTU) we have established a research laboratory for advanced acceleration research based on high-power lasers and plasma technologies. In a primary experiment based on the laser wakefield acceleration (LWFA) scheme, multi-hundred MeV electron beams of reasonable quality are generated using 20-40 TW, 30 femtosecond laser pulses interacting independently with helium, neon, nitrogen and argon gas jet targets. The laser-plasma interaction conditions are optimized for stabilizing the electron beam generation from each type of gas. The electron beam pointing angle stability and divergence angle as well as the energy spectra from each gas jet are measured and compared.
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