Generation of continuous-wave laser light at 148.4 nm using cavity-enhanced second harmonic generation in $BaMg{F}_4$

Keerthan Subramanian, Hiroki Tanaka, Simon J. Herr +22

The development of a nuclear optical clock based on \textsuperscript{229}Th is expected to influence the next generation of time and frequency standards. At its heart is the need f…