Plasma gradient effect on direct laser acceleration
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F25%3A00648102" target="_blank" >RIV/61389021:_____/25:00648102 - isvavai.cz</a>
Result on the web
<a href="https://pubs.aip.org/aip/pop/article/32/10/103109/3370024/Plasma-gradient-effect-on-direct-laser" target="_blank" >https://pubs.aip.org/aip/pop/article/32/10/103109/3370024/Plasma-gradient-effect-on-direct-laser</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1063/5.0252460" target="_blank" >10.1063/5.0252460</a>
Alternative languages
Result language
angličtina
Original language name
Plasma gradient effect on direct laser acceleration
Original language description
The transfer of a high-intensity laser pulse energy to a high-energy electron beam via the direct laser acceleration mechanism is shown to be significantly enhanced through control of the plasma density gradient. Experiments performed using the OMEGA EP facility's high-intensity beams altered the plasma density and gradients by changing the Mach number and the angle of the gas-jet nozzle to the laser axis. When a long density gradient at the rear of the target is used, the total high-energy electron number measured was enhanced by 4.5 times compared to a shorter rear gradient. Complementary two-dimensional simulations, which follow the laser field evolution and the corresponding electron dynamics, strongly support the key trends observed in the experiment. The effect is twofold, the long density gradient provides the longest acceleration distance while it minimizes the formation of the sheath field as the electron beam exits into the vacuum. This study shows the importance of tailoring the plasma density.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10305 - Fluids and plasma physics (including surface physics)
Result continuities
Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Physics of Plasmas
ISSN
1070-664X
e-ISSN
1089-7674
Volume of the periodical
32
Issue of the periodical within the volume
10
Country of publishing house
US - UNITED STATES
Number of pages
8
Pages from-to
103109
UT code for WoS article
001605773700001
EID of the result in the Scopus database
2-s2.0-105020378421