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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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Terahertz emission from a plasma dipole oscillation

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Title
Terahertz emission from a plasma dipole oscillation
Author
Hur, Min SupKumar, ManojSong, Hyung SeonKang, Teyoun
Issue Date
2022-04
Publisher
한국물리학회
Citation
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.80, pp.852 - 858
Abstract
We studied an unrevealed characteristic of radiation emission from a localized plasma oscillator (plasma dipole oscillation-PDO). PDO is a novel concept of generating terahertz emission from a laser plasma-based system. The electromagnetic field generated by a PDO embedded in a uniform plasma, instead of being cut off by the ambient plasma as expected by a common but misleading sense, propagates long distances to escape the plasma eventually. The PDO-THz, differently from other laser plasma-based THz sources, utilizes the collective behavior of the plasma (plasma oscillations) and, accordingly, produces a quasi-narrow-band emission, which can potentially be useful in THz-based accelerator or THz-pump and probe experiments. We verified the PDO mechanism by using realistic three-dimensional particle-in-cell simulations.
URI
https://scholarworks.unist.ac.kr/handle/201301/57271
URL
https://link.springer.com/article/10.1007/s40042-021-00390-x
DOI
10.1007/s40042-021-00390-x
ISSN
0374-4884
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PHY_Journal Papers
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