Absorption and fluorescence in saturation regime of Cs-vapor layer with thickness close to the light wavelength

P. Todorov; K. Vaseva; S. Cartaleva; D. Slavov; I. Maurin; S. M. Saltiel

doi:10.1117/12.822468

19 December 2008 Absorption and fluorescence in saturation regime of Cs-vapor layer with thickness close to the light wavelength

P. Todorov, K. Vaseva, S. Cartaleva, D. Slavov, I. Maurin, S. M. Saltiel

Author Affiliations +

Proceedings Volume 7027, 15th International School on Quantum Electronics: Laser Physics and Applications; 70270R (2008) https://doi.org/10.1117/12.822468
Event: 15th International School on Quantum Electronics: Laser Physics and Applications, 2008, Bourgas, Bulgaria

Abstract

Absorption and fluorescent spectra are obtained in saturation regime of a single beam laser spectroscopy of Cesium D₂ line, in a vapor layer with thickness close to the light wavelength. We compare experimentally and theoretically obtained spectra distinguishing between open and closed, in terms of optical pumping, hyperfine transitions. In absorption, we observe a persisting difference between open and closed transitions, in terms of Dicke narrowing, when increasing laser light intensity. In fluorescence, for open transitions we note saturation dips which do not change significantly when increasing intensity. In case of closed transition, a small feature at the fluorescence line center appears for relatively high light intensity.

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P. Todorov, K. Vaseva, S. Cartaleva, D. Slavov, I. Maurin, and S. M. Saltiel "Absorption and fluorescence in saturation regime of Cs-vapor layer with thickness close to the light wavelength", Proc. SPIE 7027, 15th International School on Quantum Electronics: Laser Physics and Applications, 70270R (19 December 2008); https://doi.org/10.1117/12.822468

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