Ion emission from plasmas produced by femtosecond pulses of short-wavelength free-electron laser radiation focused on massive targets: an overview and comparison with long-wavelength laser ablation
We report on ion emission from plasma produced on thick targets irradiated with nanosecond and femtosecond pulses delivered by mid-ultraviolet and soft x-ray lasers, respectively. To distinguish between different ion acceleration mechanisms, the maximum kinetic energy of ions produced under differen...
Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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Format: | Conference item |
Language: | English |
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Society of Photo-optical Instrumentation Engineers
2023
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author | Krása, J Nassisi, V Burian, T Hájková, V Chalupský, J Jelinek, S Frantálová, K Krupka, M Kuglerová, Z Singh, SK Vozda, V Vyšín, L Wild, J Šmíd, M Perez-Martin, P Pan, X Kühlman, M Pintor, J Cikhardt, J Dreimann, M Eckermann, D Rosenthal, F Vinko, SM Forte, A Gawne, T Campbell, T Ren, S Shi, Y Hutchinson, T Humphries, O Preston, T Makita, M Nakatsutsumi, M Köhler, A Harmand, M Toleikis, S Falk, K Juha, L |
author_facet | Krása, J Nassisi, V Burian, T Hájková, V Chalupský, J Jelinek, S Frantálová, K Krupka, M Kuglerová, Z Singh, SK Vozda, V Vyšín, L Wild, J Šmíd, M Perez-Martin, P Pan, X Kühlman, M Pintor, J Cikhardt, J Dreimann, M Eckermann, D Rosenthal, F Vinko, SM Forte, A Gawne, T Campbell, T Ren, S Shi, Y Hutchinson, T Humphries, O Preston, T Makita, M Nakatsutsumi, M Köhler, A Harmand, M Toleikis, S Falk, K Juha, L |
author_sort | Krása, J |
collection | OXFORD |
description | We report on ion emission from plasma produced on thick targets irradiated with nanosecond and femtosecond pulses delivered by mid-ultraviolet and soft x-ray lasers, respectively. To distinguish between different ion acceleration mechanisms, the maximum kinetic energy of ions produced under different interaction conditions is plotted versus laser fluence. The transformation of the time-of-flight detector signal into ion charge density distance-of-flight spectra makes it possible to determine the mean kinetic energy of the fastest ion groups based on the influence of the acoustic velocity of ion expansion. This allows obtaining additional characteristics of the ion production. The final energy of the group of fast ions determined using the ion sound velocity model is an order of magnitude larger in the fs-XFEL interaction than in the ns-UV one. On the contrary, the ablation yield of ions in our experiment is seven orders of magnitude greater when applying ns-UV laser pulses, not only due to higher energies of UV laser pulses, but also due to a significant difference in interaction and ion formation mechanisms. |
first_indexed | 2024-03-07T07:47:11Z |
format | Conference item |
id | oxford-uuid:956b5b2d-7016-4f8b-8fce-5ea17120e6be |
institution | University of Oxford |
language | English |
last_indexed | 2024-03-07T07:47:11Z |
publishDate | 2023 |
publisher | Society of Photo-optical Instrumentation Engineers |
record_format | dspace |
spelling | oxford-uuid:956b5b2d-7016-4f8b-8fce-5ea17120e6be2023-06-15T14:55:48ZIon emission from plasmas produced by femtosecond pulses of short-wavelength free-electron laser radiation focused on massive targets: an overview and comparison with long-wavelength laser ablationConference itemhttp://purl.org/coar/resource_type/c_5794uuid:956b5b2d-7016-4f8b-8fce-5ea17120e6beEnglishSymplectic ElementsSociety of Photo-optical Instrumentation Engineers2023Krása, JNassisi, VBurian, THájková, VChalupský, JJelinek, SFrantálová, KKrupka, MKuglerová, ZSingh, SKVozda, VVyšín, LWild, JŠmíd, MPerez-Martin, PPan, XKühlman, MPintor, JCikhardt, JDreimann, MEckermann, DRosenthal, FVinko, SMForte, AGawne, TCampbell, TRen, SShi, YHutchinson, THumphries, OPreston, TMakita, MNakatsutsumi, MKöhler, AHarmand, MToleikis, SFalk, KJuha, LWe report on ion emission from plasma produced on thick targets irradiated with nanosecond and femtosecond pulses delivered by mid-ultraviolet and soft x-ray lasers, respectively. To distinguish between different ion acceleration mechanisms, the maximum kinetic energy of ions produced under different interaction conditions is plotted versus laser fluence. The transformation of the time-of-flight detector signal into ion charge density distance-of-flight spectra makes it possible to determine the mean kinetic energy of the fastest ion groups based on the influence of the acoustic velocity of ion expansion. This allows obtaining additional characteristics of the ion production. The final energy of the group of fast ions determined using the ion sound velocity model is an order of magnitude larger in the fs-XFEL interaction than in the ns-UV one. On the contrary, the ablation yield of ions in our experiment is seven orders of magnitude greater when applying ns-UV laser pulses, not only due to higher energies of UV laser pulses, but also due to a significant difference in interaction and ion formation mechanisms. |
spellingShingle | Krása, J Nassisi, V Burian, T Hájková, V Chalupský, J Jelinek, S Frantálová, K Krupka, M Kuglerová, Z Singh, SK Vozda, V Vyšín, L Wild, J Šmíd, M Perez-Martin, P Pan, X Kühlman, M Pintor, J Cikhardt, J Dreimann, M Eckermann, D Rosenthal, F Vinko, SM Forte, A Gawne, T Campbell, T Ren, S Shi, Y Hutchinson, T Humphries, O Preston, T Makita, M Nakatsutsumi, M Köhler, A Harmand, M Toleikis, S Falk, K Juha, L Ion emission from plasmas produced by femtosecond pulses of short-wavelength free-electron laser radiation focused on massive targets: an overview and comparison with long-wavelength laser ablation |
title | Ion emission from plasmas produced by femtosecond pulses of short-wavelength free-electron laser radiation focused on massive targets: an overview and comparison with long-wavelength laser ablation |
title_full | Ion emission from plasmas produced by femtosecond pulses of short-wavelength free-electron laser radiation focused on massive targets: an overview and comparison with long-wavelength laser ablation |
title_fullStr | Ion emission from plasmas produced by femtosecond pulses of short-wavelength free-electron laser radiation focused on massive targets: an overview and comparison with long-wavelength laser ablation |
title_full_unstemmed | Ion emission from plasmas produced by femtosecond pulses of short-wavelength free-electron laser radiation focused on massive targets: an overview and comparison with long-wavelength laser ablation |
title_short | Ion emission from plasmas produced by femtosecond pulses of short-wavelength free-electron laser radiation focused on massive targets: an overview and comparison with long-wavelength laser ablation |
title_sort | ion emission from plasmas produced by femtosecond pulses of short wavelength free electron laser radiation focused on massive targets an overview and comparison with long wavelength laser ablation |
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