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Multiple-quantum radio-frequency spectroscopy of atoms: Application to the metrology of geomagnetic fields

  • Atoms, Spectra, and Radiation
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Abstract

The evolution of the radio-frequency magnetic resonance spectrum of optically oriented potassium atoms in terrestrial magnetic fields as a function of the amplitude of the alternating magnetic field H 1 is investigated theoretically and experimentally. It is shown that among the set of observed n-quantum resonances which satisfy the selection rules ΔF=0 and Δm F±n (n is an integer), there is one resonance with the highest multiplicity n=4 (m F=2⇔m F=−2), which has exceptional properties. These qualities make this resonance a candidate for use in a weak-field quantum magnetometer with record-high characteristics. A preliminary investigation of an experimental model of a four-quantum potassium magnetometer is performed.

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Authors and Affiliations

  1. S. I. Vavilov State Optical Institute All-Russia Science Center, 199034, St. Petersburg, Russia

    E. B. Aleksandrov, M. V. Balabas, A. K. Vershovskii & A. S. Pazgalev

Authors
  1. E. B. Aleksandrov
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  2. M. V. Balabas
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  3. A. K. Vershovskii
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  4. A. S. Pazgalev
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Additional information

Zh. Tekh. Fiz. 69, 27–30 (September 1999)

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Aleksandrov, E.B., Balabas, M.V., Vershovskii, A.K. et al. Multiple-quantum radio-frequency spectroscopy of atoms: Application to the metrology of geomagnetic fields. Tech. Phys. 44, 1025–1028 (1999). https://doi.org/10.1134/1.1259463

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  • DOI: https://doi.org/10.1134/1.1259463

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