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

S. N. Chen, T. Iwawaki, K. Morita, P. Antici, S. D. Baton, F. Filippi, H. Habara, M. Nakatsutsumi, P. Nicolaï, Wigen Nazarov, C. Rousseaux, M. Starodubstev, K. A. Tanaka, J. Fuchs

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)

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 1021 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.
Original languageEnglish
Article number21495
Pages (from-to)1-7
Number of pages7
JournalScientific Reports
Volume6
DOIs
Publication statusPublished - 29 Feb 2016

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