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.
111-122
Djaoui, A.
bd6b82e9-fce2-4fed-937c-346c17175b3c
Shiwai, B.
ac57f708-3440-41e8-bfc4-5f615c2f8bb0
Hall, T.A.
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Eason, R.W.
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Jackson, C.L.
226ddeb9-4043-4ef5-80ba-9cf1e18a060b
Rose, S.J.
88d8126e-1802-43b9-b6c6-f400e8a623d8
1989
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), .
(doi:10.1088/0741-3335/31/1/009).
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
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Local EPrints ID: 435274
URI: http://eprints.soton.ac.uk/id/eprint/435274
ISSN: 0741-3335
PURE UUID: d78025ea-ed52-4884-a83e-f3fe98ddb40e
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Date deposited: 29 Oct 2019 17:30
Last modified: 17 Mar 2024 02:35
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Author:
A. Djaoui
Author:
B. Shiwai
Author:
T.A. Hall
Author:
C.L. Jackson
Author:
S.J. Rose
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