{"title":"Calculation of the Resonance Line Emission of the Laser Plasma of Argon Clusters for H- and He-Like Ions","authors":"M. V. Sedov, S. N. Ryazantsev, I. Yu. Skobelev","doi":"10.3103/S1068335624602747","DOIUrl":null,"url":null,"abstract":"<p>We report the construction of an analytical model that allows one to calculate the emission intensity of laser plasma which is generated by heating cluster targets with relativistic laser pulses. The results of particle-in-cell (PIC) calculation of plasma density and temperature obtained using the EPOCH software package are used as input parameters of the model. The constructed model is used to calculate the interaction of femtosecond laser pulses with an intensity of up to 10<sup>22</sup> W/cm<sup>2</sup> with large (0.5–2 μm) argon clusters. The emission duration and the total number of photons emitted in the resonance lines of He- and H-like argon ions are analyzed. It is shown how this model in combination with PIC calculation can be used to optimize the parameters of ultrafast X-ray sources.</p>","PeriodicalId":503,"journal":{"name":"Bulletin of the Lebedev Physics Institute","volume":"51 11 supplement","pages":"S912 - S918"},"PeriodicalIF":0.6000,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Bulletin of the Lebedev Physics Institute","FirstCategoryId":"101","ListUrlMain":"https://link.springer.com/article/10.3103/S1068335624602747","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PHYSICS, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
We report the construction of an analytical model that allows one to calculate the emission intensity of laser plasma which is generated by heating cluster targets with relativistic laser pulses. The results of particle-in-cell (PIC) calculation of plasma density and temperature obtained using the EPOCH software package are used as input parameters of the model. The constructed model is used to calculate the interaction of femtosecond laser pulses with an intensity of up to 1022 W/cm2 with large (0.5–2 μm) argon clusters. The emission duration and the total number of photons emitted in the resonance lines of He- and H-like argon ions are analyzed. It is shown how this model in combination with PIC calculation can be used to optimize the parameters of ultrafast X-ray sources.
期刊介绍：
Bulletin of the Lebedev Physics Institute is an international peer reviewed journal that publishes results of new original experimental and theoretical studies on all topics of physics: theoretical physics; atomic and molecular physics; nuclear physics; optics; lasers; condensed matter; physics of solids; biophysics, and others.
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