9 July 2007 Effects of saturation and self-saturation in a field of opposite spreading laser waves on transition J=1-J=1
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Abstract
The form of the saturated absorption resonance for atomic transition J=1-J=1 at arbitrary intensities of a probe light field is calculated. The influence of the saturation effect of optical transitions by own spontaneous radiation on the form of a nonlinear resonance is researched. It is revealed, that in case of orthogonal polarizations of strong and probe fields the increase of the probe field intensity can result in inversion of the shape of a nonlinear resonance. The saturation effect of optical transitions by own spontaneous radiation increases contrast of the inverted resonance of saturation and narrows its spectrum. In case of parallel polarizations of optical fields the peak of absorption can arise in the shape of nonlinear resonance at splitting of the lower atomic state.
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S. G. Rautian, E. G. Saprykin, A. A. Chernenko, "Effects of saturation and self-saturation in a field of opposite spreading laser waves on transition J=1-J=1", Proc. SPIE 6727, ICONO 2007: Nonlinear Laser Spectroscopy and High-Precision Measurements; and Fundamentals of Laser Chemistry and Biophotonics, 67270Z (9 July 2007); doi: 10.1117/12.752318; https://doi.org/10.1117/12.752318
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