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Opacity Measurements of a Hot Iron Plasma Using an X-Ray Laser

Edwards, M.H., Whittaker, D., Booth, N., Pert, G.J., Tallents, G.J., Rus, B., Mocek, T., Koslová, M., McKenna, C., Delserieys, A., Lewis, C.L.S., Notley, M., Neely, D. and Mistry, P. (2006) Opacity Measurements of a Hot Iron Plasma Using an X-Ray Laser. Physical Review Letters, 97 (3). 035001-1. ISSN 1079-7114

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The temporal evolution of the opacity of an iron plasma at high temperature (30–350 eV) and high density (0.001–0.2 g cm-3) has been measured using a nickel-like silver x-ray laser at 13.9 nm. The hot dense iron plasma was created in a thin (50 nm) iron layer buried 80 nm below the surface in a plastic target that was heated using a separate 80 ps pulse of 6–9 J, focused to a 100 µm diameter spot. The experimental opacities are compared with opacities evaluated from plasma conditions predicted using a fluid and atomic physics code.

Item Type: Article
Institution: The University of York
Academic Units: The University of York > Physics (York)
Depositing User: York RAE Import
Date Deposited: 25 Feb 2009 12:29
Last Modified: 25 Feb 2009 12:29
Published Version: http://dx.doi.org/10.1103/PhysRevLett.97.035001
Status: Published
Publisher: The American Physical Society.
Identification Number: 10.1103/PhysRevLett.97.035001
URI: http://eprints.whiterose.ac.uk/id/eprint/7220

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