Physics – Plasma Physics
Scientific paper
Nov 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aps..dppbp8100s&link_type=abstract
American Physical Society, 49th Annual Meeting of the Division of Plasma Physics, November 12-16, 2007, abstract #BP8.100
Physics
Plasma Physics
Scientific paper
We investigate laboratory laser-plasma experiments to address questions connected to the formation and collimation of astrophysical jets and shock waves. In particular, we plan to scale our experiments to non-relativistic jets associated with Young Stellar Object. Experiments were performed with Gekko / HIPER laser system (3w, 500 ps, 300 - 750 J, < 10^15 W/cm^2) at ILE, Osaka Univ. Several types of targets were used; 10 μm thick plane or 600 μm diameter hemisphere CH shell targets with an Au-cone, foam-filled cone targets targets, and hemisphere CH. These targets were used to create plasma jets. In order to produce a shock wave, a He gas jet system was placed on the bottom on the vacuum chamber. The plasma jet and shock were measured with a Mach-Zender interferometry diagnostic, using a probe laser pulse in the transverse direction; an ICCD camera with 200 ps gate time and a S1 streak camera were used. As rear-side diagnostics of self-emission, we used HISAC and SOP for time-evolution measurements of 2-D self-emission profile and temperature, respectively. In all types of the targets, clear jets were observed.
Dono S.
Kato Taichi
Kimura Tadahiko
Kodama Ryosuke
Koenig Markus
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