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Plasma Spectroscopy during High-Current Electric Explosions of Tungsten Wires in Vacuum.

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Title: Plasma Spectroscopy during High-Current Electric Explosions of Tungsten Wires in Vacuum.
Authors: Silkis, E. G.1 (AUTHOR), Pilia, N. D.2 (AUTHOR), Antonov, D. O.3 (AUTHOR), Alabin, K. A.4 (AUTHOR) alabin.kirill@gmail.com, Krasheninnikov, V. N.1 (AUTHOR), Tyurin, D. A.3 (AUTHOR), Urutskoev, L. I.2 (AUTHOR), Chikovani, N. Z.2 (AUTHOR)
Source: Plasma Physics Reports. Mar2026, Vol. 52 Issue 3, p293-301. 9p.
Subjects: Plasma spectroscopy, Spectral lines, Atomic transitions, Metallic wire, Vacuum technology, Plasma flow, Electric arc
Abstract: When studying the optical spectra arising from the electrical explosion of tungsten wires in a vacuum, several thousand spectral lines of W I and W II were recorded in the range of 450–912 nm. Among these lines, 118 spectral lines that are not contained in the National Institute of Standards and Technology (NIST) line database reference were reliably and reproducibly detected. Some of these lines (57 W II lines and 6 W I lines), with a deviation of no more than 0.01 nm, coincides with the W lines contained in the calculated line database created at the University of Mons, Belgium (DESIRE). To verify the detected lines, the Vernadsky Institute of Geochemistry and Analytical Chemistry initiated a study of the spectra of tungsten plasma in an arc discharge (in an argon or helium atmosphere) in the same spectral range. A group of 57 lines, which were not identified in the NIST and DESIRE spectral databases, were observed in both electric explosion and arc discharge spectra and therefore are highly likely to belong to W. [ABSTRACT FROM AUTHOR]
Copyright of Plasma Physics Reports is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Plasma Spectroscopy during High-Current Electric Explosions of Tungsten Wires in Vacuum.
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  Data: <searchLink fieldCode="JN" term="%22Plasma+Physics+Reports%22">Plasma Physics Reports</searchLink>. Mar2026, Vol. 52 Issue 3, p293-301. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Plasma+spectroscopy%22">Plasma spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Spectral+lines%22">Spectral lines</searchLink><br /><searchLink fieldCode="DE" term="%22Atomic+transitions%22">Atomic transitions</searchLink><br /><searchLink fieldCode="DE" term="%22Metallic+wire%22">Metallic wire</searchLink><br /><searchLink fieldCode="DE" term="%22Vacuum+technology%22">Vacuum technology</searchLink><br /><searchLink fieldCode="DE" term="%22Plasma+flow%22">Plasma flow</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+arc%22">Electric arc</searchLink>
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  Data: When studying the optical spectra arising from the electrical explosion of tungsten wires in a vacuum, several thousand spectral lines of W I and W II were recorded in the range of 450–912 nm. Among these lines, 118 spectral lines that are not contained in the National Institute of Standards and Technology (NIST) line database reference were reliably and reproducibly detected. Some of these lines (57 W II lines and 6 W I lines), with a deviation of no more than 0.01 nm, coincides with the W lines contained in the calculated line database created at the University of Mons, Belgium (DESIRE). To verify the detected lines, the Vernadsky Institute of Geochemistry and Analytical Chemistry initiated a study of the spectra of tungsten plasma in an arc discharge (in an argon or helium atmosphere) in the same spectral range. A group of 57 lines, which were not identified in the NIST and DESIRE spectral databases, were observed in both electric explosion and arc discharge spectra and therefore are highly likely to belong to W. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Plasma Physics Reports is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1134/S1063780X26600040
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        Text: English
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      – SubjectFull: Plasma spectroscopy
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      – SubjectFull: Spectral lines
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      – SubjectFull: Atomic transitions
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      – SubjectFull: Metallic wire
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      – SubjectFull: Vacuum technology
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      – SubjectFull: Plasma flow
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      – SubjectFull: Electric arc
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      – TitleFull: Plasma Spectroscopy during High-Current Electric Explosions of Tungsten Wires in Vacuum.
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              Text: Mar2026
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