Please use this identifier to cite or link to this item: https://physrep.ff.bg.ac.rs/handle/123456789/147
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dc.contributor.authorSkočić, Milošen
dc.contributor.authorBukvić, Srđanen
dc.date.accessioned2022-07-05T16:23:46Z-
dc.date.available2022-07-05T16:23:46Z-
dc.date.issued2016-11-01en
dc.identifier.issn0584-8547en
dc.identifier.urihttps://physrep.ff.bg.ac.rs/handle/123456789/147-
dc.description.abstractIn this paper we present a simple model of the laser induced plasma (LIP) expansion in a low pressure surrounding atmosphere. The model is based on assumption that expansion process is dominantly governed by kinematics of the heavy particles. The model is accompanied with a simple, yet effective, Monte-Carlo simulation. Results of the simulation are compared with spectroscopic measurements of the laser induced copper plasma expanding in low pressure (200 Pa) hydrogen atmosphere. We found that characteristic expansion time of the LIP is proportional to the linear dimension of the initial volume heated up by the laser. For sufficiently large initial volume copper plasma remains in local thermodynamic equilibrium on the submicrosecond-microsecond scale. It is shown that diagnostics based on the spectral lines of the hydrogen atmosphere is not suitable for characterization of the core of the copper plasma. We have demonstrated importance of radially resolved spectroscopic measurements as a key step for correct diagnostics and understanding of laser induced plasma.en
dc.relation.ispartofSpectrochimica Acta - Part B Atomic Spectroscopyen
dc.subjectLaser induced plasmaen
dc.subjectLIBSen
dc.subjectLTEen
dc.subjectMonte Carlo simulationen
dc.subjectRadially resolved spectroscopyen
dc.titleLaser induced plasma expansion and existence of local thermodynamic equilibriumen
dc.typeArticleen
dc.identifier.doi10.1016/j.sab.2016.09.011en
dc.identifier.scopus2-s2.0-84989167893en
dc.identifier.urlhttps://api.elsevier.com/content/abstract/scopus_id/84989167893en
dc.relation.volume125en
dc.relation.firstpage103en
dc.relation.lastpage110en
item.openairetypeArticle-
item.cerifentitytypePublications-
item.fulltextNo Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextnone-
crisitem.author.orcid0000-0001-8514-959X-
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