TY - JOUR
T1 - Characterization of heat-wave propagation through laser-driven Ti-doped underdense plasma
AU - Tanabe, Minoru
AU - Nishimura, Hiroaki
AU - Ohnishi, Naofumi
AU - Fournier, Kevin B.
AU - Fujioka, Shinsuke
AU - Iwamae, Atsushi
AU - Hansen, Stephanie B.
AU - Nagai, Keiji
AU - Girard, Frederic
AU - Primout, Michel
AU - Villette, Bruno
AU - Brebion, Didier
AU - Mima, Kunioki
N1 - Funding Information:
This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344, the Ministry of Education, Cultures, Sports, Science and Technology of Japan project “Advanced Diagnostics for Burning Plasma (code 442) ”Temperature and density mapping of imploded burning plasma with monochromatic X-ray imaging (code 20026005), and JSPS-CAS Core-University Program in the field of “Plasma and Nuclear Fusion”.
PY - 2010/1
Y1 - 2010/1
N2 - The propagation of a laser-driven heat-wave into a Ti-doped aerogel target was investigated. The temporal evolution of the electron temperature was derived by means of Ti K-shell X-ray spectroscopy, and compared with two-dimensional radiation hydrodynamic simulations. Reasonable agreement was obtained in the early stage of the heat-wave propagation. In the later phase, laser absorption, the propagation of the heat-wave, and hydrodynamic motion interact in a complex manner, and the plasma is mostly re-heated by collision and stagnation at the target central axis.
AB - The propagation of a laser-driven heat-wave into a Ti-doped aerogel target was investigated. The temporal evolution of the electron temperature was derived by means of Ti K-shell X-ray spectroscopy, and compared with two-dimensional radiation hydrodynamic simulations. Reasonable agreement was obtained in the early stage of the heat-wave propagation. In the later phase, laser absorption, the propagation of the heat-wave, and hydrodynamic motion interact in a complex manner, and the plasma is mostly re-heated by collision and stagnation at the target central axis.
KW - Laser-produced plasma
KW - Plasma diagnostics
KW - X-ray generation
KW - X-ray spectroscopy
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U2 - 10.1016/j.hedp.2009.06.006
DO - 10.1016/j.hedp.2009.06.006
M3 - Article
AN - SCOPUS:70450257775
SN - 1574-1818
VL - 6
SP - 89
EP - 94
JO - High Energy Density Physics
JF - High Energy Density Physics
IS - 1
ER -