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Interpretation of EXAFS from laser shock compressed plasmas

Interpretation of EXAFS from laser shock compressed plasmas
Interpretation of EXAFS from laser shock compressed plasmas
Measurements on laser shock compressed aluminium using the EXAFS (Extended X-ray Absorption Fine Structure) technique on the Al K-edge are described. Two methods of analysis of this data were used for the determination of density: the standard EXAFS technique using Fourier transforms and curve fitting, and a method based on a band structure calculation of the absorption spectra as a function of compression. These two techniques give results which are in fairly good agreement with each other and also with a hydrodynamic simulation of the experiment. The ion correlation parameter is estimated and shows that two-sided laser irradiation of aluminium foils produces a dense plasma which is strongly coupled.
0741-3335
111-122
Djaoui, A.
bd6b82e9-fce2-4fed-937c-346c17175b3c
Shiwai, B.
ac57f708-3440-41e8-bfc4-5f615c2f8bb0
Hall, T.A.
a7b17b6a-1623-482c-a7e4-07b10999b69b
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Jackson, C.L.
226ddeb9-4043-4ef5-80ba-9cf1e18a060b
Rose, S.J.
88d8126e-1802-43b9-b6c6-f400e8a623d8
Djaoui, A.
bd6b82e9-fce2-4fed-937c-346c17175b3c
Shiwai, B.
ac57f708-3440-41e8-bfc4-5f615c2f8bb0
Hall, T.A.
a7b17b6a-1623-482c-a7e4-07b10999b69b
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Jackson, C.L.
226ddeb9-4043-4ef5-80ba-9cf1e18a060b
Rose, S.J.
88d8126e-1802-43b9-b6c6-f400e8a623d8

Djaoui, A., Shiwai, B., Hall, T.A., Eason, R.W., Jackson, C.L. and Rose, S.J. (1989) Interpretation of EXAFS from laser shock compressed plasmas. Plasma Physics and Controlled Fusion, 31 (1), 111-122. (doi:10.1088/0741-3335/31/1/009).

Record type: Article

Abstract

Measurements on laser shock compressed aluminium using the EXAFS (Extended X-ray Absorption Fine Structure) technique on the Al K-edge are described. Two methods of analysis of this data were used for the determination of density: the standard EXAFS technique using Fourier transforms and curve fitting, and a method based on a band structure calculation of the absorption spectra as a function of compression. These two techniques give results which are in fairly good agreement with each other and also with a hydrodynamic simulation of the experiment. The ion correlation parameter is estimated and shows that two-sided laser irradiation of aluminium foils produces a dense plasma which is strongly coupled.

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Published date: 1989

Identifiers

Local EPrints ID: 435274
URI: http://eprints.soton.ac.uk/id/eprint/435274
ISSN: 0741-3335
PURE UUID: d78025ea-ed52-4884-a83e-f3fe98ddb40e
ORCID for R.W. Eason: ORCID iD orcid.org/0000-0001-9704-2204

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Date deposited: 29 Oct 2019 17:30
Last modified: 14 Mar 2020 01:24

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