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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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Shock ion acceleration by an ultrashort circularly polarized laser pulse via relativistic transparency in an exploded target

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Title
Shock ion acceleration by an ultrashort circularly polarized laser pulse via relativistic transparency in an exploded target
Author
Kim, Young-KukCho, Myung-HoonSong, Hyung SeonKang, TeyounPark, Hyung JuJung, Moon YounHur, Min Sup
Issue Date
2015-10
Publisher
American Physical Society
Citation
PHYSICAL REVIEW E, v.92, no.4, pp.043102
Abstract
We investigated ion acceleration by an electrostatic shock in an exploded target irradiated by an ultrashort, circularly polarized laser pulse by means of one- and three-dimensional particle-in-cell simulations. We discovered that the laser field penetrating via relativistic transparency (RT) rapidly heated the upstream electron plasma to enable the formation of a high-speed electrostatic shock. Owing to the RT-based rapid heating and the fast compression of the initial density spike by a circularly polarized pulse, a new regime of the shock ion acceleration driven by an ultrashort (20-40 fs), moderately intense (1-1.4 PW) laser pulse is envisaged. This regime enables more efficient shock ion acceleration under a limited total pulse energy than a linearly polarized pulse with crystal laser systems of lambda similar to 1 mu m
URI
https://scholarworks.unist.ac.kr/handle/201301/17647
URL
http://journals.aps.org/pre/abstract/10.1103/PhysRevE.92.043102
DOI
10.1103/PhysRevE.92.043102
ISSN
2470-0045
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