Mainz 2026 – scientific programme
Parts | Days | Selection | Search | Updates | Downloads | Help
Q: Fachverband Quantenoptik und Photonik
Q 14: Precision Spectroscopy of Atoms and Ions I (joint session A/Q)
Q 14.5: Talk
Monday, March 2, 2026, 18:15–18:30, N 3
Isotope shifts of the 1S0 → 3P1 intercombination line in zinc — •Felix Waldherr, Lukas Möller, and Simon Stellmer — Universität Bonn, Germany
Zinc is a promising element for optical precision measurements due to its low black-body radiation sensitivity. We study the intercombination line at 308 nm using Doppler-free spectroscopy in a thermal zinc vapor. A narrow-linewidth, frequency-stabilized laser system enables the determination of resonance frequencies for all stable isotopes. The resulting isotope shifts offer a basis for future work in nuclear structure. In addition, the 308 nm transition is of direct relevance for laser-cooling schemes, where it can serve as a narrow second-stage cooling transition following the strong 214 nm cooling line.
Keywords: Isotope shifts; Spectroscopy; Laser cooling