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The Effect of Background Gas on the Excitation Temperature and Electron Number Density of Basalt Plasma Induced by 10.6 Micron Laser Radiation
dc.creator | Momčilović, Miloš | |
dc.creator | Živković, Sanja | |
dc.creator | Kuzmanović, Miroslav M. | |
dc.creator | Ciganović, Jovan | |
dc.creator | Ranković, Dragan | |
dc.creator | Trtica, Milan | |
dc.creator | Savović, Jelena | |
dc.date.accessioned | 2019-07-09T10:32:28Z | |
dc.date.available | 2019-07-09T10:32:28Z | |
dc.date.issued | 2019 | |
dc.identifier.issn | 0272-4324 | |
dc.identifier.issn | 1572-8986 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/8158 | |
dc.description.abstract | Time-integrated optical emission spectroscopy was applied for the analysis of emission spectra, and determination of electron densities and excitation temperatures of basalt plasma induced by 10.6 micron laser radiation. The plasma was studied in air, argon and carbon dioxide, under pressure of 10, 50, and 100 mbar. The plasma emission intensity was found to be strongly dependent on the nature of the ambient gas and its pressure. The highest emission intensities and signal to noise ratios were obtained in argon. Depending on the composition and pressure of the surrounding atmosphere, the values of plasma temperature varied between 14,400 K (air at 10 mbar) and 17,100 K (carbon dioxide at 100 mbar). Similarly, the electron number density varied between 3 × 1016 cm−3 (10 mbar air) and 1.6 × 1017 cm−3 (100 mbar CO2). The observed behavior was correlated with the properties of the studied gases, in particular, their mass, thermal conductivity and ionization energy, and the role of the ambient gas in controlling the efficiency of laser-target coupling, laser-plasma interaction and plasma shielding. © 2019, Springer Science+Business Media, LLC, part of Springer Nature. | en |
dc.language.iso | en | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172019/RS// | |
dc.rights | restrictedAccess | |
dc.source | Plasma Chemistry and Plasma Processing | |
dc.subject | Laser-induced breakdown spectroscopy (LIBS) | en |
dc.subject | Transversely excited atmospheric carbon dioxide (TEA CO2) laser | en |
dc.subject | Air, Ar, and CO2 ambience | en |
dc.subject | Plasma diagnostics | en |
dc.title | The Effect of Background Gas on the Excitation Temperature and Electron Number Density of Basalt Plasma Induced by 10.6 Micron Laser Radiation | en |
dc.type | article | en |
dc.rights.license | ARR | |
dcterms.abstract | Цигановић, Јован; Живковић, Сања; Момчиловић, Милош; Ранковић, Драган; Кузмановић, Мирослав; Савовић, Јелена; Тртица, Милан; | |
dc.rights.holder | © 2019, Springer Science+Business Media, LLC, part of Springer Nature. | |
dc.citation.volume | 39 | |
dc.citation.issue | 4 | |
dc.citation.spage | 985 | |
dc.citation.epage | 1000 | |
dc.identifier.wos | 000470320600016 | |
dc.identifier.doi | 10.1007/s11090-019-09987-4 | |
dc.citation.rank | M22 | |
dc.type.version | publishedVersion | |
dc.identifier.scopus | 2-s2.0-85064591439 |
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