2020年2月
Characterization of an imploding cylindrical plasma for electron transport studies using x-ray emission spectroscopy
Physics of Plasmas
- 巻
- 27
- 号
- 2
- 開始ページ
- 023302
- 終了ページ
- 023302
- 記述言語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1063/1.5125271
- 出版者・発行元
- AIP Publishing
We report on the characterization of the conditions of an imploding cylindrical plasma by time-resolved x-ray emission spectroscopy. Knowledge about this implosion platform can be applied to studies of particle transport for inertial confinement fusion schemes or to astrophysical plasmas. A cylindrical Cl-doped CH foam within a tube of solid CH was irradiated by 36 beams (Itotal ∼5 × 1014 W/cm2, 1.5 ns square pulse, and Etotal ∼16.2 kJ) of the OMEGA-60 laser to radially compress the CH toward the axis. The analysis of the time-resolved spectra showed that the compression can be described by four distinct phases, each presenting different plasma conditions. First the ablation of the cylinder is dominant; second, the foam is heated and induces a significant jump in emission intensities; third, the temperature and density of the foam reaches a maximum; and finally, the plasma expands. Ranges for the plasma temperature were inferred with the atomic physics code SCRAM (Spectroscopic Collisional-Radiative Atomic Model) and the experimental data have been compared to hydrodynamic simulations performed with the 2D code FLASH, which showed a similar implosion dynamic over time.
- リンク情報
-
- DOI
- https://doi.org/10.1063/1.5125271
- URL
- http://aip.scitation.org/doi/am-pdf/10.1063/1.5125271
- URL
- http://aip.scitation.org/doi/pdf/10.1063/1.5125271
- Scopus
- https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85079222452&origin=inward
- Scopus Citedby
- https://www.scopus.com/inward/citedby.uri?partnerID=HzOxMe3b&scp=85079222452&origin=inward
- ID情報
-
- DOI : 10.1063/1.5125271
- ISSN : 1070-664X
- eISSN : 1089-7674
- SCOPUS ID : 85079222452