Abstract
Optimization of parameters of the M x resonance, which excited between Zeeman sublevels of a single HFS level of the ground state of an alkali metal in a vacuum cell in a circuit with a single beam for pumping and detection (M x magnetometer circuit), has been carried out. A simple model taking into account all main factors controlling the resolving power of the M x resonance (including spin-exchange broadening and absorption in a thick layer of the cell has been constructed. It is shown that the spin-resonance broadening of the resonance line is mainly determined by the requirements imposed on the optical thickness of the cell, which considerably restricts the realization of advantages of ultranarrow (<1 Hz) lines in magnetometry. The experiment confirming the efficiency of the model has been carried out.
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Original Russian Text © A.K. Vershovskii, A.S. Pazgalev, 2008, published in Zhurnal Tekhnicheskoĭ Fiziki, 2008, Vol. 78, No. 5, pp. 116–124.
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Vershovskii, A.K., Pazgalev, A.S. Optimization of the Q factor of the magnetic M x resonance under optical pump conditions. Tech. Phys. 53, 646–654 (2008). https://doi.org/10.1134/S1063784208050198
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DOI: https://doi.org/10.1134/S1063784208050198