Strontium ${}^1{S}_0\to {}^1{P}_1$ transition frequency measurements assisted by a photonic grating chip

Jaewhan Lee, Hyun Gyung Lee, Won-Kyu Lee +15

We measure the absolute frequency of the ${}^1{S}_0\to {}^1{P}_1$ transition in strontium using two methods: fluorescence spectroscopy of a thermal atomic beam sourc…