Sub-natural width resonances in Cs vapor confined in micrometric thickness optical cell

S. Cartaleva; A. Krasteva; A. Sargsyan; D. Sarkisyan; D. Slavov; T. Vartanyan

doi:10.1117/12.2013496

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15 March 2013 Sub-natural width resonances in Cs vapor confined in micrometric thickness optical cell

S. Cartaleva, A. Krasteva, A. Sargsyan, D. Sarkisyan, D. Slavov, T. Vartanyan

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Proceedings Volume 8770, 17th International School on Quantum Electronics: Laser Physics and Applications; 87700M (2013) https://doi.org/10.1117/12.2013496
Event: Seventeenth International School on Quantum Electronics: Laser Physics and Applications, 2012, Nessebar, Bulgaria

Abstract

We present here the behavior of Electromagnetically Induced Transparency (EIT), Velocity Selective Optical Pumping (VSOP) resonances and Velocity Selective Excitation (VSE) resonances observed in Cs vapor confined in а micrometric optical cell (MC) with thickness L = 6λ, λ = 852nm. For comparison of behavior of VSE resonance another conventional optical cell with thickness L=2.5 cm is used. Cells are irradiated in orthogonal to their windows directions by probe beam scanned on the Fg = 4 → Fe= 3, 4, 5 set of transitions and pump beam fixed at the Fg = 3 → Fe = 4 transition, on the D2 line of Cs. The enhanced absorption (fluorescence) narrow VSOP resonance at the closed transition transforms into reduced absorption (fluorescence) one with small increase of atomic concentration or light intensity. A striking difference appears between the VSE resonance broadening in L = 6λ and conventional L = 2.5cm cells.

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S. Cartaleva, A. Krasteva, A. Sargsyan, D. Sarkisyan, D. Slavov, and T. Vartanyan "Sub-natural width resonances in Cs vapor confined in micrometric thickness optical cell", Proc. SPIE 8770, 17th International School on Quantum Electronics: Laser Physics and Applications, 87700M (15 March 2013); https://doi.org/10.1117/12.2013496

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