Precision frequency measurement of 1S0–3P1 intercombination lines of Sr isotopes<xref ref-type="fn" rid="cpb141500fn1">*</xref>

Precision frequency measurement of ¹S₀–³P₁ intercombination lines of Sr isotopes*

Liu Hui^a),^b), Gao Feng^a), Wang Ye-Bing^a), Tian Xiao^a),^b), Ren Jie^a), Lu Ben-Quan^a),^b), Xu Qin-Fang^a), Xie Yu-Lin^a),^b), Chang Hong^a)†

Fig. 3. Fluorescence saturation spectrum of the strontium 5s 2 1 S 0 #cod#x2013;5s5p 3 P 1 transition lines of the four natural isotopes crossing the Lamb dip. The FWHM values of the Lamb dip for a 88 Sr, b 86 Sr, d 87 Sr F #cod#x003D;92 #cod#x2013; F#cod#x2032; #cod#x003D;72 , e 87 Sr F #cod#x003D;92 #cod#x2013; F#cod#x2032; #cod#x003D;92 , f 87 Sr F #cod#x003D;92 #cod#x2013; F#cod#x2032; #cod#x003D;112 , and c 84 Sr are 55 kHz, 229 kHz, 433 kHz, 445 kHz, 427 kHz, and 1020 kHz, respectively.