title: Opacity measurements of a hot iron plasma using an x-ray laser.
abstract: 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 microm diameter spot. The experimental opacities are compared with opacities evaluated from plasma conditions predicted using a fluid and atomic physics code.
authors.affiliation: Department of Physics, University of York, York YO10 5DD, United Kingdom.
authors.forename: M H
authors.initials: MH
authors.lastname: Edwards
authors.forename: D
authors.initials: D
authors.lastname: Whittaker
authors.forename: P
authors.initials: P
authors.lastname: Mistry
authors.forename: N
authors.initials: N
authors.lastname: Booth
authors.forename: G J
authors.initials: GJ
authors.lastname: Pert
authors.forename: G J
authors.initials: GJ
authors.lastname: Tallents
authors.forename: B
authors.initials: B
authors.lastname: Rus
authors.forename: T
authors.initials: T
authors.lastname: Mocek
authors.forename: M
authors.initials: M
authors.lastname: Koslová
authors.forename: C
authors.initials: C
authors.lastname: McKenna
authors.forename: A
authors.initials: A
authors.lastname: Delserieys
authors.forename: C L S
authors.initials: CL
authors.lastname: Lewis
authors.forename: M
authors.initials: M
authors.lastname: Notley
authors.forename: D
authors.initials: D
authors.lastname: Neely