Radiative characterization of supersonic jets and shocks in a laser-plasma experiment
| Autor: | Florian-Emanuel Brack, T. H. Nguyen-Bui, Ulrich Schramm, R. Dudžák, S. Jelinek, Jan Dostál, Jakub Cikhardt, H. Bohlin, Stefan Weber, J. Hubner, T. Pisarczyk, M. Krupka, W. Huo, A. Zaraś-Szydłowska, Tomasz Chodukowski, Florian Kroll, Vladimir Tikhonchuk, Z. Rusiniak, M. Cervenak, M. Krůs, Divya Kumar, Karl Zeil, T. Schlegel, Daniel Klir |
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| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Physics
Astrophysics::High Energy Astrophysical Phenomena Laser Plasma X-ray imaging FOS: Physical sciences Plasma Hydrodynamic Condensed Matter Physics Laser 01 natural sciences Physics - Plasma Physics 010305 fluids & plasmas Characterization (materials science) law.invention Supersonic jets Plasma Physics (physics.plasm-ph) Nuclear Energy and Engineering law 0103 physical sciences Radiative transfer Supersonic speed Atomic physics 010303 astronomy & astrophysics Shocks |
| Zdroj: | arXiv:2009.11567 [physics.plasm-ph]: https://arxiv.org/abs/2009.11567# Plasma Physics and Controlled Fusion 63(2021), 045026 |
| Popis: | The interaction of supersonic laser-generated plasma jets with a secondary gas target was studied experimentally. The plasma parameters of the jet, and the resulting shock, were characterized using a combination of multi-frame interferometry/shadowgraphy, and x-ray diagnostics, allowing for a detailed study of their structure and evolution. The velocity was obtained with an x-ray streak camera, and filtered x-ray pinhole imaging was used to infer the electron temperature of the jet and shock. The topology of the ambient plasma density was found to have a significant effect on the jet and shock formation, as well as on their radiation characteristics. The experimental results were compared with radiation hydrodynamic simulations, thereby providing further insights into the underlying physical processes of the jet and shock formation and evolution. |
| Databáze: | OpenAIRE |
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