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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

Authorized Users Only
2019
Authors
Momčilović, Miloš
Živković, Sanja
Kuzmanović, Miroslav M.
Ciganović, Jovan
Ranković, Dragan
Trtica, Milan
Savović, Jelena
Article (Published version)
,
© 2019, Springer Science+Business Media, LLC, part of Springer Nature.
Metadata
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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 ambi...ent 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.

Keywords:
Laser-induced breakdown spectroscopy (LIBS) / Transversely excited atmospheric carbon dioxide (TEA CO2) laser / Air, Ar, and CO2 ambience / Plasma diagnostics
Source:
Plasma Chemistry and Plasma Processing, 2019, 39, 4, 985-1000
Funding / projects:
  • Effects of laser radiation and plasma on novel materials in their synthesis, modification, and analysis (RS-172019)

DOI: 10.1007/s11090-019-09987-4

ISSN: 0272-4324; 1572-8986

WoS: 000470320600016

Scopus: 2-s2.0-85064591439
[ Google Scholar ]
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5
URI
http://link.springer.com/10.1007/s11090-019-09987-4
https://vinar.vin.bg.ac.rs/handle/123456789/8158
Collections
  • Radovi istraživača
Institution/Community
Vinča
TY  - JOUR
AU  - Momčilović, Miloš
AU  - Živković, Sanja
AU  - Kuzmanović, Miroslav M.
AU  - Ciganović, Jovan
AU  - Ranković, Dragan
AU  - Trtica, Milan
AU  - Savović, Jelena
PY  - 2019
UR  - http://link.springer.com/10.1007/s11090-019-09987-4
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/8158
AB  - 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.
T2  - Plasma Chemistry and Plasma Processing
T1  - The Effect of Background Gas on the Excitation Temperature and Electron Number Density of Basalt Plasma Induced by 10.6 Micron Laser Radiation
VL  - 39
IS  - 4
SP  - 985
EP  - 1000
DO  - 10.1007/s11090-019-09987-4
ER  - 
@article{
author = "Momčilović, Miloš and Živković, Sanja and Kuzmanović, Miroslav M. and Ciganović, Jovan and Ranković, Dragan and Trtica, Milan and Savović, Jelena",
year = "2019",
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.",
journal = "Plasma Chemistry and Plasma Processing",
title = "The Effect of Background Gas on the Excitation Temperature and Electron Number Density of Basalt Plasma Induced by 10.6 Micron Laser Radiation",
volume = "39",
number = "4",
pages = "985-1000",
doi = "10.1007/s11090-019-09987-4"
}
Momčilović, M., Živković, S., Kuzmanović, M. M., Ciganović, J., Ranković, D., Trtica, M.,& Savović, J.. (2019). The Effect of Background Gas on the Excitation Temperature and Electron Number Density of Basalt Plasma Induced by 10.6 Micron Laser Radiation. in Plasma Chemistry and Plasma Processing, 39(4), 985-1000.
https://doi.org/10.1007/s11090-019-09987-4
Momčilović M, Živković S, Kuzmanović MM, Ciganović J, Ranković D, Trtica M, Savović J. The Effect of Background Gas on the Excitation Temperature and Electron Number Density of Basalt Plasma Induced by 10.6 Micron Laser Radiation. in Plasma Chemistry and Plasma Processing. 2019;39(4):985-1000.
doi:10.1007/s11090-019-09987-4 .
Momčilović, Miloš, Živković, Sanja, Kuzmanović, Miroslav M., Ciganović, Jovan, Ranković, Dragan, Trtica, Milan, Savović, Jelena, "The Effect of Background Gas on the Excitation Temperature and Electron Number Density of Basalt Plasma Induced by 10.6 Micron Laser Radiation" in Plasma Chemistry and Plasma Processing, 39, no. 4 (2019):985-1000,
https://doi.org/10.1007/s11090-019-09987-4 . .

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