Precision frequency measurement of 1S0–3P1 intercombination lines of Sr isotopes*
Liu Huia),b), Gao Fenga), Wang Ye-Binga), Tian Xiaoa),b), Ren Jiea), Lu Ben-Quana),b), Xu Qin-Fanga), Xie Yu-Lina),b), Chang Honga)†
Fig. 2. Fluorescence spectrum of the strontium intercombination 5s 2 1 S 0 #cod#x2013;5s5p 3 P 1 transition. Inset: the whole fluorescence spectrum signal.