Abstract
The spectra emitted by a thulium hollow-cathode discharge lamp with argon or neon as inert gases have been recorded with a Bruker IFS 125 HR fourier transform spectrometer in the visible wavelength region from 400 to 700 nm. The paper presents the investigation of the hyperfine-structure splitting of 50 spectral lines of neutral thulium. As a result, the magnetic dipole hyperfine structure constant A for 20 fine structure levels of Tm I have been determined for the first time.
| Original language | English |
|---|---|
| Article number | 108195 |
| Journal | Journal of Quantitative Spectroscopy and Radiative Transfer |
| Volume | 287 |
| DOIs | |
| Publication status | Published - Sept 2022 |
Keywords
- Fourier transform spectroscopy
- Hyperfine structure
- Thulium
- Visible wavelength range
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