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Author

Hur, Min Sup
Computational Plasma Lab
Research Interests
  • Laser-Plasma Electron Accelerator and Table-top Femto Hard X-ray generation

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Effects of Scale Length and Transition Density Ratio on the Electron Trapping and Acceleration with a Sharp Density Transition in Laser Wakefield Accelerator

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Title
Effects of Scale Length and Transition Density Ratio on the Electron Trapping and Acceleration with a Sharp Density Transition in Laser Wakefield Accelerator
Author
Yoo, Seung HoonKim, JaehoonKim, Jong UkHur, Min SupHahn, Sang June
Keywords
Engineering controlled terms: Electron traps; Electrons; Lasers; Plasma accelerators; Plasma density; Wakes
Issue Date
200901
Publisher
JAPAN SOCIETY APPLIED PHYSICS
Citation
JAPANESE JOURNAL OF APPLIED PHYSICS, v.48, no.1, pp.1 - 5
Abstract
In this paper, the effects of scale length and transition density ratio on the electron trapping and acceleration with a sharp density transition in laser wakefield accelerator (LWFA) have been studied using one-dimensional particle-in-cell (PIC) simulations. Simulation results show that the number of accelerated electrons depends on the plasma density in the high density region and the scale length of the density transition region. For the detailed investigation of the dynamical features of the electron trapping and acceleration, spatiotemporal patterns of the laser wake wave are also used. Throughout this work, the optimum condition for the electron acceleration could be found in the relevant parameter space of the scale length and the transition density ratio.
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DOI
http://dx.doi.org/10.1143/JJAP.48.016002
ISSN
0021-4922
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