@article{5160, author = {M. Zhu and C. Oates and John Hall}, title = {Improved hyperfine measurements of the Na 5p excited state through frequency-controlled Dopplerless spectroscopy in a Zeeman magneto-optic laser trap}, year = {1993}, journal = {Optics Letters}, volume = {18}, pages = {1186}, month = {Jan-01-1993}, issn = {0146-9592}, doi = {10.1364/OL.18.001186}, }