https://research.ibm.com/publications/electronic-zeeman-and-stark-spectroscopy-of-baclfsm2-using-photon-gated-hole-burning
Electronic Zeeman and Stark spectroscopy of BaClF:Sm2+ using photon-gated hole burning for Physical...
Electronic Zeeman and Stark spectroscopy of BaClF:Sm2+ using photon-gated hole burning for Physical Review B by R.M. Macfarlane et al.
stark spectroscopyelectroniczeemanbaclfusing