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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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Simulations of a Raman backward amplifier by using the parallelized averaged particle-in-cell model

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Title
Simulations of a Raman backward amplifier by using the parallelized averaged particle-in-cell model
Author
Hur, Min SupHwang, ISuk, H
Keywords
Laser amplification; Plasma simulation; Plasma wave; Raman backscatter
Issue Date
2005-10
Publisher
KOREAN PHYSICAL SOC
Citation
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.47, no.4, pp.625 - 630
Abstract
A new version of the averaged particle-in-cell (aPIC) code has been developed to simulate the Raman backscatter (RBS) and the Raman backward laser amplification in plasmas. We observe in the aPIC simulations that the RBS coupling is weakened by the electron trapping, that is generated by wave-breaking, As a result, the amplification level is significantly reduced. In this paper, a physical interpretation of the trapping-induced RBS weakening is presented. In the numerical point of view, the new aPIC, which is a completely parallelized code, shows a parallelization efficiency that is notably improved from that of the semi-parallelized old aPIC.
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ISSN
0374-4884
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PHY_Journal Papers
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