Abstract
An algorithm of approximate solution of an essentially nonlinear problem of parameters of optically detected magnetic resonance in the ground state of alkali atoms in an optically dense medium under the conditions of strong narrow-band optical pumping that induces transparency of atomic medium and partial suppression of spin-exchange broadening is proposed. Straightforward solution of the Liouville’s equation is complicated in this case by the fact that relaxation time of each of the levels of the hyperfine and Zeeman structures of the ground state is determined by populations of all other levels, which results in the necessity of solving a self-consistent problem in a multilevel system and requires using supercomputers, as a rule. In the present work, approximations that allow substantially simplifying and accelerating calculation are proposed. A two-beam MX-scheme of a magnetometric sensor is used as an example to compare the results of calculations with experimental data.
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This research was supported by the Russian Foundation for Basic research, project no. 19-29-10004.
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Experiment—M.V. Petrenko and A.K. Vershovskii; theory—A.K. Vershovskii.
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Vershovskii, A.K., Petrenko, M.V. Three-Level Approximation upon Calculation of Parameters of Optically Detected Magnetic Resonance under the Conditions of Strong Laser Pumping. Opt. Spectrosc. 129, 592–596 (2021). https://doi.org/10.1134/S0030400X21040275
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DOI: https://doi.org/10.1134/S0030400X21040275