Abstract
An NMR tracking magnetometer, in which the frequency modulation is used instead of the traditional magnetic modulation, is described. Owing to the proposed digital compensation of modulation shifts, the tracking error is negligibly small and does not exceed the corresponding error for NMR magnetometers with magnetic modulation. The absence of the modulation rings decreases the sizes of the sensors to the utmost and excludes their effect on the surrounding systems. 50%-deuteron saturated solution of lithium chloride in water of 50% deuterons, which is used as a sensor substance, allows one to measure magnetic fields of 0.0625 to 15.3 T with a 10−7 relative error at the most.
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Verkhovskii, S.V. and Medvedev, E.Yu., Prib. Tekh. Eksp., 1973, no. 5, p. 170.
Medvedev, E.Yu., Karyukin, N.V., and Verkhovskii, S.V., Prib. Tekh. Eksp., 1975, no. 5, p. 149.
Stepanov, A.P., Medvedev, E.Yu., and Verkhovskii, S.V., Prib. Tekh. Eksp., 1975, no. 4, p. 119.
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Original Russian Text © E.Yu. Medvedev, Yu.I. Deryabin, 2008, published in Pribory i Tekhnika Eksperimenta, 2008, No. 6, pp. 72–75.
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Medvedev, E.Y., Deryabin, Y.I. An NMR magnetometer with frequency modulation. Instrum Exp Tech 51, 846–849 (2008). https://doi.org/10.1134/S0020441208060122
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DOI: https://doi.org/10.1134/S0020441208060122