Continuous-wave laser source at the 148 nm nuclear transition of Th-229

Vishal Lal, Maksim V. Okhapkin, Johannes Tiedau +3

A continuous-wave laser source at 148.4 nm based on second-harmonic generation in randomly quasi-phase matched strontium tetraborate, SrB4O7, is demonstrated. It provides (1.3-0.6+…