Comb-referenced Doppler-free spectrometry of the ${}^{200}$Hg and ${}^{202}$Hg intercombination line at 254 nm

Stefania Gravina, Naveed A. Chishti, Simona Di Bernardo +4

We report on precision spectroscopy of the 6s${}^2$ ${}^1$S${}_0\to$6s6p ${}^3$P${}_1$ intercombination line of mercury in the deep ultraviolet, by means of a frequency-comb referenced, wave…