Dynamic optical spectroscopy and pyrometry ...
Document type :
Article dans une revue scientifique: Article original
DOI :
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Title :
Dynamic optical spectroscopy and pyrometry of static targets under optical and x-ray laser heating at the European XFEL
Author(s) :
Ball, O. B. [Auteur]
Prescher, C. [Auteur]
Appel, K. [Auteur]
Baehtz, C. [Auteur]
Baron, Marzena [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Briggs, R. [Auteur]
Cerantola, V. [Auteur]
Chantel, Julien [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Chariton, S. [Auteur]
Coleman, A. L. [Auteur]
Cynn, H. [Auteur]
Damker, H. [Auteur]
Dattelbaum, D. [Auteur]
Dresselhaus-Marais, L. E. [Auteur]
Eggert, J. H. [Auteur]
Ehm, L. [Auteur]
Evans, W. J. [Auteur]
Fiquet, G. [Auteur]
Frost, M. [Auteur]
Glazyrin, K. [Auteur]
Goncharov, A. F. [Auteur]
Husband, R. J. [Auteur]
Hwang, H. [Auteur]
Jaisle, N. [Auteur]
Jenei, Zs. [Auteur]
Kim, J.-Y. [Auteur]
Lee, Y. [Auteur]
Liermann, H. P. [Auteur]
Mainberger, J. [Auteur]
Makita, M. [Auteur]
Marquardt, H. [Auteur]
McBride, E. E. [Auteur]
McHardy, J. D. [Auteur]
McMahon, M. I. [Auteur]
Merkel, Sébastien [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Morard, G. [Auteur]
O’Bannon, E. F. [Auteur]
Otzen, C. [Auteur]
Pace, E. J. [Auteur]
Pelka, A. [Auteur]
Pépin, C. M. [Auteur]
Pigott, J. S. [Auteur]
Plückthun, C. [Auteur]
Prakapenka, V. B. [Auteur]
Redmer, R. [Auteur]
Speziale, S. [Auteur]
Spiekermann, G. [Auteur]
Strohm, C. [Auteur]
Sturtevant, B. T. [Auteur]
Talkovski, P. [Auteur]
Wollenweber, L. [Auteur]
Zastrau, U. [Auteur]
McWilliams, R. S. [Auteur]
Konôpková, Z. [Auteur]
Prescher, C. [Auteur]
Appel, K. [Auteur]
Baehtz, C. [Auteur]
Baron, Marzena [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Briggs, R. [Auteur]
Cerantola, V. [Auteur]
Chantel, Julien [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Chariton, S. [Auteur]
Coleman, A. L. [Auteur]
Cynn, H. [Auteur]
Damker, H. [Auteur]
Dattelbaum, D. [Auteur]
Dresselhaus-Marais, L. E. [Auteur]
Eggert, J. H. [Auteur]
Ehm, L. [Auteur]
Evans, W. J. [Auteur]
Fiquet, G. [Auteur]
Frost, M. [Auteur]
Glazyrin, K. [Auteur]
Goncharov, A. F. [Auteur]
Husband, R. J. [Auteur]
Hwang, H. [Auteur]
Jaisle, N. [Auteur]
Jenei, Zs. [Auteur]
Kim, J.-Y. [Auteur]
Lee, Y. [Auteur]
Liermann, H. P. [Auteur]
Mainberger, J. [Auteur]
Makita, M. [Auteur]
Marquardt, H. [Auteur]
McBride, E. E. [Auteur]
McHardy, J. D. [Auteur]
McMahon, M. I. [Auteur]
Merkel, Sébastien [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Morard, G. [Auteur]
O’Bannon, E. F. [Auteur]
Otzen, C. [Auteur]
Pace, E. J. [Auteur]
Pelka, A. [Auteur]
Pépin, C. M. [Auteur]
Pigott, J. S. [Auteur]
Plückthun, C. [Auteur]
Prakapenka, V. B. [Auteur]
Redmer, R. [Auteur]
Speziale, S. [Auteur]
Spiekermann, G. [Auteur]
Strohm, C. [Auteur]
Sturtevant, B. T. [Auteur]
Talkovski, P. [Auteur]
Wollenweber, L. [Auteur]
Zastrau, U. [Auteur]
McWilliams, R. S. [Auteur]
Konôpková, Z. [Auteur]
Journal title :
JOURNAL OF APPLIED PHYSICS
Volume number :
134
Pages :
055901
Publisher :
AIP Publishing
Publication date :
2023-08-02
English abstract : [en]
Experiments accessing extreme conditions at x-ray free electron lasers (XFELs) involve rapidly evolving conditions of temperature. Here, we report time-resolved, direct measurements of temperature using spectral streaked ...
Show more >Experiments accessing extreme conditions at x-ray free electron lasers (XFELs) involve rapidly evolving conditions of temperature. Here, we report time-resolved, direct measurements of temperature using spectral streaked optical pyrometry of x-ray and optical laser-heated states at the High Energy Density instrument of the European XFEL. This collection of typical experiments, coupled with numerical models, outlines the reliability, precision, and meaning of time dependent temperature measurements using optical emission at XFEL sources. Dynamic temperatures above 1500 K are measured continuously from spectrally- and temporally-resolved thermal emission at 450–850 nm, with time resolution down to 10–100 ns for 1–200 μs streak camera windows, using single shot and integrated modes. Targets include zero-pressure foils free-standing in air and in vacuo, and high-pressure samples compressed in diamond anvil cell multi-layer targets. Radiation sources used are 20-fs hard x-ray laser pulses at 17.8 keV, in single pulses or 2.26 MHz pulse trains of up to 30 pulses, and 250-ns infrared laser single pulses. A range of further possibilities for optical measurements of visible light in x-ray laser experiments using streak optical spectroscopy are also explored, including for the study of x-ray induced optical fluorescence, which often appears as background in thermal radiation measurements. We establish several scenarios where combined emissions from multiple sources are observed and discuss their interpretation. Challenges posed by using x-ray lasers as non-invasive probes of the sample state are addressed.Show less >
Show more >Experiments accessing extreme conditions at x-ray free electron lasers (XFELs) involve rapidly evolving conditions of temperature. Here, we report time-resolved, direct measurements of temperature using spectral streaked optical pyrometry of x-ray and optical laser-heated states at the High Energy Density instrument of the European XFEL. This collection of typical experiments, coupled with numerical models, outlines the reliability, precision, and meaning of time dependent temperature measurements using optical emission at XFEL sources. Dynamic temperatures above 1500 K are measured continuously from spectrally- and temporally-resolved thermal emission at 450–850 nm, with time resolution down to 10–100 ns for 1–200 μs streak camera windows, using single shot and integrated modes. Targets include zero-pressure foils free-standing in air and in vacuo, and high-pressure samples compressed in diamond anvil cell multi-layer targets. Radiation sources used are 20-fs hard x-ray laser pulses at 17.8 keV, in single pulses or 2.26 MHz pulse trains of up to 30 pulses, and 250-ns infrared laser single pulses. A range of further possibilities for optical measurements of visible light in x-ray laser experiments using streak optical spectroscopy are also explored, including for the study of x-ray induced optical fluorescence, which often appears as background in thermal radiation measurements. We establish several scenarios where combined emissions from multiple sources are observed and discuss their interpretation. Challenges posed by using x-ray lasers as non-invasive probes of the sample state are addressed.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Non spécifiée
ANR Project :
Administrative institution(s) :
Université de Lille
CNRS
INRAE
ENSCL
CNRS
INRAE
ENSCL
Collections :
Research team(s) :
Matériaux Terrestres et Planétaires
Submission date :
2023-08-06T20:09:21Z
2023-08-06T20:18:48Z
2023-08-06T20:18:48Z
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