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Saturated absorption spectroscopy: Elimination of crossover resonances with the use of a nanocell

Sargsyan, A. ; Sarkisyan, D. ; Papoyan, A. ; Pashayan-Leroy, Y. ; Moroshkin, Peter ; Weis, Antoine ; Khanbekyan, A. ; Mariotti, E. ; Moi, L.

In: Laser Physics, 2008, vol. 18, no. 6, p. 749-755

It is demonstrated that the velocity-selective optical pumping/saturation resonances of the reduced absorption in a Rb vapor nanocell with thickness L = λ, 2λ, and 3λ (resonant wavelength λ = 780 nm) allow for the complete elimination of crossover (CO) resonances. We observe well-pronounced resonances corresponding to the F g = 3 → F e...