One-dimensional optical lattice clock with a fermionic 171yb isotope

Abstract

We demonstrate a one-dimensional optical lattice clock with ultracold 171Yb atoms, which is free from the linear Zeeman effect. The absolute frequency of the 1S0(F = 1=2)-3P0(F = 1=2) clock transition in 171Yb is determined to be 518 295 836 590 864(28) Hz with respect to the SI second. © 2009 The Japan Society of Applied Physics.