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Hur, Min Sup
Computational Plasma Lab
Research Interests
  • Laser-Plasma Electron Accelerator and Table-top Femto Hard X-ray generation
  • Plasma-based THz generation
  • PIC and fluid code development
  • Reduced Laser-Plasma modelling
  • Capillary Discharge Systems for Guidied Laser Wakefield Accelerators

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Investigation of the optimal condition for high acceleration efficiency in the laser wake-field acceleration

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Title
Investigation of the optimal condition for high acceleration efficiency in the laser wake-field acceleration
Author
Roh, HeesuHur, Min SupLee, Hae June
Keywords
Electron beam acceleration; Laser wake field; Particle-in-cell simulation
Issue Date
2008-02
Publisher
KOREAN PHYSICAL SOC
Citation
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.52, no.2, pp.293 - 299
Abstract
The effects of various laser and plasma parameters on laser wake-field acceleration have been investigated with a two-dimensional particle-in-cell simulation utilizing a moving window. The dynamics of an injected electron beam and the acceleration efficiency are reported for various driving lasers and beam parameters. The injection position of the electron beam and the initial intensity of the laser pulse have specific optimal values to enhance the acceleration efficiency. In the investigated parameter region, which yields no strong effect of the electron beam on the laser wake field, the acceleration efficiency increases with the total charge and with the initial energy of the electron beam. Also, the acceleration efficiency decreases with the incident angle of the electron beam with respect to the direction of laser propagation.
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ISSN
0374-4884
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PHY_Journal Papers
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