Laser-Induced Quenching of the Th-229 Nuclear Clock Isomer in Calcium Fluoride

F. Schaden, T. Riebner, I. Morawetz +11

The 10-minute radiative lifetime of the first excited ${}^{229}$Th${}^{4+}$ nuclear state in ionic crystals provides narrow spectroscopic linewidths, enabling the realization of a soli…