Studies of Landé gJ-factors of singly ionized lanthanum by laser-induced fluorescence spectroscopy

S. Werbowy, C. Güney, Laurentius Windholz

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Laser-induced fluorescence spectroscopy, using a cooled hollow cathode discharge lamp as source of ions, was used to observe the Zeeman splitting of 18 lines of La II in the wavelength range 629.6-680.9 nm, in external intermediate magnetic fields up to 800 G. The recorded hyperfine-Zeeman patterns were analyzed in detail using already known accurate hyperfine structure A- and B-constants. From the recordings the Landé gJ-factors for some levels belonging to the 5d2, 5d6s, 5d6p, 4f5d, 4f6s and 4f6p configurations of La II were determined. The obtained experimental gJ-factors are compared with earlier measurements and theoretical calculations.

Original languageEnglish
Pages (from-to)33-39
Number of pages7
JournalJournal of quantitative spectroscopy & radiative transfer
Volume179
DOIs
Publication statusPublished - 1 Aug 2016

Fingerprint

Discharge lamps
Lanthanum
Fluorescence spectroscopy
lanthanum
laser induced fluorescence
Cathodes
Ions
Magnetic fields
Wavelength
Lasers
hollow cathodes
hyperfine structure
spectroscopy
luminaires
recording
configurations
magnetic fields
wavelengths
ions

Keywords

  • Landé factors
  • Rare-earth metals
  • Zeeman effect

ASJC Scopus subject areas

  • Spectroscopy
  • Atomic and Molecular Physics, and Optics
  • Radiation

Fields of Expertise

  • Sonstiges

Cite this

Studies of Landé gJ-factors of singly ionized lanthanum by laser-induced fluorescence spectroscopy. / Werbowy, S.; Güney, C.; Windholz, Laurentius.

In: Journal of quantitative spectroscopy & radiative transfer, Vol. 179, 01.08.2016, p. 33-39.

Research output: Contribution to journalArticleResearchpeer-review

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AB - Laser-induced fluorescence spectroscopy, using a cooled hollow cathode discharge lamp as source of ions, was used to observe the Zeeman splitting of 18 lines of La II in the wavelength range 629.6-680.9 nm, in external intermediate magnetic fields up to 800 G. The recorded hyperfine-Zeeman patterns were analyzed in detail using already known accurate hyperfine structure A- and B-constants. From the recordings the Landé gJ-factors for some levels belonging to the 5d2, 5d6s, 5d6p, 4f5d, 4f6s and 4f6p configurations of La II were determined. The obtained experimental gJ-factors are compared with earlier measurements and theoretical calculations.

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