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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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Onset of stimulated Raman scattering of a laser in a plasma in the presence of hot drifting electrons

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Title
Onset of stimulated Raman scattering of a laser in a plasma in the presence of hot drifting electrons
Author
Gupta, Devki NandanYadav, PinkiJang, DonggyuHur, Min SupSuk, H.Avinash, K.
Issue Date
2015-05
Publisher
AMER INST PHYSICS
Citation
PHYSICS OF PLASMAS, v.22, no.5, pp.052101
Abstract
Stimulated Raman scattering of a laser in plasmas with energetic drifting electrons was investigated by analyzing the growth of interacting waves during the Raman scattering process. The Langmuir wave and scattered electromagnetic sideband wave grow initially and are dampened after attaining a maximum level that indicates a periodic exchange of energy between the pump wave and the daughter waves. The presence of energetic drifting electrons in the laser-produced plasma influences the stimulated Raman scattering process. The plasma wave generated by Raman scattering may be influenced by the energetic electrons, which enhance the growth rate of the instability. Our results show that the presence of energetic (hot) drifting electrons in a plasma has an important effect on the evolution of the interacting waves. This phenomenon is modeled via two-dimensional particle-in-cell simulations of the propagation and interaction of the laser under Raman instability. (C) 2015 AIP Publishing LLC
URI
https://scholarworks.unist.ac.kr/handle/201301/17087
URL
http://scitation.aip.org/content/aip/journal/pop/22/5/10.1063/1.4919626
DOI
10.1063/1.4919626
ISSN
1070-664X
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PHY_Journal Papers
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