Frequency measurement of hyperfine transitions of the R(158)25-0 iodine line near the <sup>1</sup>S<sub>0</sub>–<sup>3</sup>P<sub>1</sub> transition of <sup>174</sup>Yb
Abstract The a 10 hyperfine transition of the R(158)25-0 line in molecular iodine serves as a viable optical frequency reference for laser cooling of 174 Yb via the 1 S 0 – 3 P 1 intercombination transition at 556 nm. This study reports a frequency measurement of the a 10 transition using an optical frequency comb, with an uncertainty of approximately 9 kHz. Additional hyperfine transitions of the R(158)25-0 line were also characterized, and a theoretical analysis of the hyperfine structure was conducted. These results facilitate laser-cooling experiments involving 174 Yb and contribute to the spectroscopic understanding of molecular iodine.
Authors
- Daisuke Akamatsu (ORCID: https://orcid.org/0000-0002-3741-1765)
- Feng-Lei Hong (ORCID: https://orcid.org/0000-0003-1318-2635)
- Takuya Kohno
- S. Yamauchi (ORCID: https://orcid.org/0009-0007-3628-1990)
- Yuga Kondo
- Yujin Kawai
Institutions
- Yokohama National University (JP)
- National Institute of Technology, Gifu College (JP)
Publication Details
- Journal
- Japanese Journal of Applied Physics
- Published
- 2025-09-01
- DOI
- https://doi.org/10.35848/1347-4065/ae0225
- Primary Topic
- Spectroscopy and Laser Applications
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- Japan Society for the Promotion of Science
- Moonshot Research and Development Program