Laser induced collisional energy transfer processes in a rubidium-potassium mixture |
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Authors: | B Cheron S Mosaddak |
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Institution: | Laboratoire de Spectroscopie Atomique (UA 19), I.S.M.Ra, Université de Caen, F 14032 Caen Cedex, France |
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Abstract: | Two laser induced collisional energy transfer processes in alkali vapours are investigated. For process K(42S1/2)+ Rb(52P3/2)+?ωT→K(62S1/2)+Rb(52S1/2), a population inversion between the final state K(62S1/2) and lower states, leading to a superradiant emission has been observed. Comparison between experiment and theory shows a qualitative agreement in the limit of low atomic densities and laser power. However the transfer profile width is about two times larger than the calculated one for both processes. |
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