Temperature dependence of coherent resonances in Na and Cs cells

G. Alzetta; Stefka Cartaleva; S. Gozzini; Alessandro Lucchesini; C. Marinelli; L. Moi; Todor St. Karaulanov; Ch. Andreeva; Valerio Biancalana; Yordanka V. Dancheva; E. Mariotti

doi:10.1117/12.519089

4 November 2003 Temperature dependence of coherent resonances in Na and Cs cells

G. Alzetta, Stefka Cartaleva, S. Gozzini, Alessandro Lucchesini, C. Marinelli, L. Moi, Todor St. Karaulanov, Ch. Andreeva, Valerio Biancalana, Yordanka V. Dancheva, E. Mariotti

Author Affiliations +

Proceedings Volume 5226, 12th International School on Quantum Electronics: Laser Physics and Applications; (2003) https://doi.org/10.1117/12.519089
Event: 12th International School on Quantum Electronics Laser Physics and Applications, 2002, Varna, Bulgaria

Abstract

Temperature dependences of coherent resonances in Na and Cs atoms prepared by two coherent laser frequencies or two polarizations of single frequency laser field are presented. It is shown that the temperature dependence of the amplitude or contrast of the resonances in most cases exhibits a maximum. For both types of coherent resonances, a reason for the contrast reduction at higher temperature is the increased absorption of the laser light along the gas cell due to the optical thickness of the medium. Spin-exchange collisions lead to resonance contrast reduction more effectively in a cell with pure alkali atoms.

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G. Alzetta, Stefka Cartaleva, S. Gozzini, Alessandro Lucchesini, C. Marinelli, L. Moi, Todor St. Karaulanov, Ch. Andreeva, Valerio Biancalana, Yordanka V. Dancheva, and E. Mariotti "Temperature dependence of coherent resonances in Na and Cs cells", Proc. SPIE 5226, 12th International School on Quantum Electronics: Laser Physics and Applications, (4 November 2003); https://doi.org/10.1117/12.519089

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