Nonequilibrium warm dense matter investigated with laser–plasma-based XANES down to the femtosecond

The use of laser–plasma-based x-ray sources is discussed, with a view to carrying out time-resolved x-ray absorption spectroscopy measurements, down to the femtosecond timescale. A review of recent experiments performed by our team is presented. They concern the study of the nonequilibrium transitio...

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Main Authors: F. Dorchies, K. Ta Phuoc, L. Lecherbourg
Format: Article
Language:English
Published: AIP Publishing LLC and ACA 2023-09-01
Series:Structural Dynamics
Online Access:http://dx.doi.org/10.1063/4.0000202
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author F. Dorchies
K. Ta Phuoc
L. Lecherbourg
author_facet F. Dorchies
K. Ta Phuoc
L. Lecherbourg
author_sort F. Dorchies
collection DOAJ
description The use of laser–plasma-based x-ray sources is discussed, with a view to carrying out time-resolved x-ray absorption spectroscopy measurements, down to the femtosecond timescale. A review of recent experiments performed by our team is presented. They concern the study of the nonequilibrium transition of metals from solid to the warm dense regime, which imposes specific constraints (the sample being destroyed after each shot). Particular attention is paid to the description of experimental devices and methodologies. Two main types of x-ray sources are compared, respectively, based on the emission of a hot plasma, and on the betatron radiation from relativistic electrons accelerated by laser.
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spelling doaj.art-f3dcc0ec11114f6285f01a0b134a71c72023-11-07T18:06:52ZengAIP Publishing LLC and ACAStructural Dynamics2329-77782023-09-01105054301054301-1610.1063/4.0000202Nonequilibrium warm dense matter investigated with laser–plasma-based XANES down to the femtosecondF. Dorchies0K. Ta Phuoc1L. Lecherbourg2 Université, Bordeaux, CNRS, CEA, CELIA, UMR 5107, F-33400 Talence, France LOA, ENSTA, CNRS, Ecole Polytechnique, UMR 7639, F-91761 Palaiseau, France CEA, DAM, DIF, F-91297 Arpajon, FranceThe use of laser–plasma-based x-ray sources is discussed, with a view to carrying out time-resolved x-ray absorption spectroscopy measurements, down to the femtosecond timescale. A review of recent experiments performed by our team is presented. They concern the study of the nonequilibrium transition of metals from solid to the warm dense regime, which imposes specific constraints (the sample being destroyed after each shot). Particular attention is paid to the description of experimental devices and methodologies. Two main types of x-ray sources are compared, respectively, based on the emission of a hot plasma, and on the betatron radiation from relativistic electrons accelerated by laser.http://dx.doi.org/10.1063/4.0000202
spellingShingle F. Dorchies
K. Ta Phuoc
L. Lecherbourg
Nonequilibrium warm dense matter investigated with laser–plasma-based XANES down to the femtosecond
Structural Dynamics
title Nonequilibrium warm dense matter investigated with laser–plasma-based XANES down to the femtosecond
title_full Nonequilibrium warm dense matter investigated with laser–plasma-based XANES down to the femtosecond
title_fullStr Nonequilibrium warm dense matter investigated with laser–plasma-based XANES down to the femtosecond
title_full_unstemmed Nonequilibrium warm dense matter investigated with laser–plasma-based XANES down to the femtosecond
title_short Nonequilibrium warm dense matter investigated with laser–plasma-based XANES down to the femtosecond
title_sort nonequilibrium warm dense matter investigated with laser plasma based xanes down to the femtosecond
url http://dx.doi.org/10.1063/4.0000202
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AT llecherbourg nonequilibriumwarmdensematterinvestigatedwithlaserplasmabasedxanesdowntothefemtosecond