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

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Versatile shaping of a relativistic laser pulse from a nonuniform overdense plasma

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Title
Versatile shaping of a relativistic laser pulse from a nonuniform overdense plasma
Author
Hur, Min SupKim, Young-KukKulagin, Victor V.Nam, InhyukSuk, Hyyong
Keywords
Analytic formula; Front shapes; Nonuniformity; Novel concept; Overdense plasma; Particle-in-cell simulations; Petawatt laser; Plasma slab; Propagation direction; Pulse-shaping; Transverse directions
Issue Date
2012-07
Publisher
AMER INST PHYSICS
Citation
PHYSICS OF PLASMAS, v.19, no.7, pp.1 - 5
Abstract
We studied the versatile shaping of a petawatt laser pulse using its relativistic transparency in a thin overdense plasma slab. The novel concept here is to use the nonuniformity of the plasma slab in its density or thickness in the transverse direction to control the pulse shaping in both the longitudinal and transverse directions. From 2-dimensional particle-in-cell simulations, we succeeded in fabricating a front shape concave to the propagation direction, an extreme case of transverse shaping. A 1-dimensional analytic formula was then applied to predict the transverse shape, which showed good agreement with the simulations.
URI
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DOI
10.1063/1.4739225
ISSN
1070-664X
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SNS_Journal Papers
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