Fine Structure and Hyperfine Structure Measurements in Excited States of Alkali Atoms by Dye Laser Spectroscopy.

Pericles G. Tsekeris, R. Gupta, W. Happer +2 more

G Belin, Sune R. Svanberg

Chen-Yu Tai

Stephen M. Curry, C. B. Collins, M. Y. Mirza +2 more

Sune R. Svanberg, G Belin

We have extended recently reported hyperfine structure studies of 2D states in alkali atoms to several new states. The 2D states were populated in a two-step excitation scheme, involving a conventional RF lamp and a cw tunable dye laser. Using level crossing and optical double resonance techniques we have determined the hyperfine structure of the 8 2D3/2,5/a states in 8TRb and the 11, 12, 13, 14 aD3/a,5/a states in 133Cs. Further, g, factors for several of these states were determined.

Sune R. Svanberg, Pericles G. Tsekeris, W. Happer

Highly excited $S$, $D$, and $F$ levels in cesium and rubidium have been populated utilizing a two-step optical excitation method. In the first step an rf lamp is used to transfer atoms into the first $P$ states, and the subsequent excitation is performed with the tunable radiation of a cw dye laser. We give results for the hyperfine structure of several $D$ and $F$ states in ${\mathrm{Cs}}^{133}$ and ${\mathrm{Rb}}^{87}$, obtained in level-crossing and optical double resonance experiments.