Harmonics of femtosecond and continuous-wave radiation for precision spectroscopy: generation efficiency and spectral line shape

Nikita Zhadnov, Olga Khronusova, Alexey Russkikh +2

Precision spectroscopy in the UV and VUV ranges, including spectroscopy of the thorium-229 nuclear transition (148.4 nm), requires narrow-band sources obtained by frequency multipl…