Improved Absolute Frequency Measurement of the 171Yb Optical Lattice Clock at KRISS Relative to the SI Second

Huidong Kim, Myoung-Sun Heo, Won-Kyu Lee +4

We measured the absolute frequency of the ${}^1{S}_0$ - ${}^3{P}_0$ transition of ${}^{171}$Yb atoms confined in a one-dimensional optical lattice relative to the SI second. The determined f…