Madigan, M.; Hocker, L.O.; Flint, J.H.; Dewey, C.F. Jr
(Institute of Electrical and Electronic Engineers, 1980)
We have studied nine laser transitions in Ba vapor at wavelengths
between 1.13 and 3.05 micrometer. Three of these laser lines have not
been reported previously. The relative intensities of the four strongest
transitions ...