DocumentCode :
1629146
Title :
Study of Beam Energy Saturation in Laser Wake Field Accelerators
Author :
Chen, S.H. ; Tai, L.C.
Author_Institution :
Nat. Central Univ., Chungli
fYear :
2007
Firstpage :
772
Lastpage :
772
Abstract :
Summary form only given. Saturation of electron beam energy has been observed experimentally in a laser wakefield accelerator [C. -T. Hsieh et al., Phys. Rev. Lett. 96, 095001 (2006)]. In the study, a two dimensional particle-in-cell simulation was performed to ascertain the physical reason for the energy saturation. Numerical results show that faster laser energy dissipation induced by transverse self-modulation of the laser pulse stops the electron beam to enter the deceleration phase, which is principally responsible for the beam energy saturation. The effect of the plasma density and laser intensity on the mechanism of energy saturation was also studied and will be presented in the paper.
Keywords :
electron beams; plasma density; wakefield accelerators; deceleration phase; electron beam energy saturation; laser energy dissipation; laser wake field accelerators; plasma density; transverse self-modulation; two-dimensional particle-in-cell simulation; Acceleration; Electron accelerators; Electron beams; Energy dissipation; Laser beams; Laser theory; Optical pulses; Particle accelerators; Particle beams; Plasma density;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Plasma Science, 2007. ICOPS 2007. IEEE 34th International Conference on
Conference_Location :
Albuquerque, NM
ISSN :
0730-9244
Print_ISBN :
978-1-4244-0915-0
Type :
conf
DOI :
10.1109/PPPS.2007.4346078
Filename :
4346078
Link To Document :
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