Density and temperature characterization of long-scale length, near-critical density controlled plasma produced from ultra-low density plastic foam - Sorbonne Université Access content directly
Journal Articles Scientific Reports Year : 2016

Density and temperature characterization of long-scale length, near-critical density controlled plasma produced from ultra-low density plastic foam

Abstract

The ability to produce long-scale length (i.e. millimeter scale-length), homogeneous plasmas is of interest in studying a wide range of fundamental plasma processes. We present here a validated experimental platform to create and diagnose uniform plasmas with a density close or above the critical density. The target consists of a polyimide tube filled with an ultra low-density plastic foam where it was heated by x-rays, produced by a long pulse laser irradiating a copper foil placed at one end of the tube. The density and temperature of the ionized foam was retrieved by using x-ray radiography and proton radiography was used to verify the uniformity of the plasma. Plasma temperatures of 5–10 eV and densities around 10 21 cm −3 are measured. This well-characterized platform of uniform density and temperature plasma is of interest for experiments using large-scale laser platforms conducting High Energy Density Physics investigations.
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hal-01282082 , version 1 (03-03-2016)

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S.N. Chen, T Iwawaki, K Morita, P Antici, S. D. Baton, et al.. Density and temperature characterization of long-scale length, near-critical density controlled plasma produced from ultra-low density plastic foam. Scientific Reports, 2016, 6, pp.21495. ⟨10.1038/srep21495⟩. ⟨hal-01282082⟩
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