Determination of transition frequencies in a single ${}^{138}$Ba${}^{+}$ ion

E. A. Dijck, M. Nuñez Portela, A. T. Grier +4

Transition frequencies between low-lying energy levels in a single trapped ${}^{138}$Ba${}^{+}$ ion have been measured with laser spectroscopy referenced to an optical frequency comb.…