Počet záznamů: 1
Investigation on laser absorption and x-ray radiation in microstructured titanium targets heated by short-pulse relativistic laser pulses
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SYSNO ASEP 0585128 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Investigation on laser absorption and x-ray radiation in microstructured titanium targets heated by short-pulse relativistic laser pulses Tvůrce(i) Pan, X. (DE)
Šmíd, M. (DE)
Huang, L.G. (DE)
Falk, Kateřina (FZU-D) ORCIDCelkový počet autorů 22 Číslo článku 013025 Zdroj.dok. Physical Review Research. - : American Physical Society
Roč. 6, č. 1 (2024)Poč.str. 11 s. Jazyk dok. eng - angličtina Země vyd. US - Spojené státy americké Klíč. slova high-intensity short-pulse laser irradiation of solid targets ; laser-produced x-ray sources ; x-ray Thomson scattering measurements ; dense plasma Vědní obor RIV BH - Optika, masery a lasery Obor OECD Optics (including laser optics and quantum optics) Způsob publikování Open access Institucionální podpora FZU-D - RVO:68378271 UT WOS 001148005400009 EID SCOPUS 85183577896 DOI 10.1103/PhysRevResearch.6.013025 Anotace The enhancement effect of a microstructured surface on laser absorption and characteristic Kα emission has been investigated by measuring K-shell emission from titanium (Ti) targets irradiated with high-intensity (∼1020 Wcm−2), subpicosecond (500 fs) laser pulses. The experimental results indicate a modest enhancement (1.6×) of Kα emission from microstructured targets compared to flat foils, but with a similar intensity and profile of Heα and Li-like satellites. Particle in-cell (PIC) simulations are implemented to further understand the underlying physical processes in the laser interaction with both targets, interpreting the mechanisms responsible for the Kα enhancement. The reasons for the lower-than-expected enhancement of Kα emission are discussed. The rapid heating of the bulk plasma might result in the premature shutdown of Kα emission before the thermalization of hot electrons or even the end of laser pulses. Pracoviště Fyzikální ústav Kontakt Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Rok sběru 2025 Elektronická adresa https://hdl.handle.net/11104/0352861
Počet záznamů: 1