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Research on expanding the range of reproduction of magnetic flux density of the DC field of the state primary standard GET12-2011
https://doi.org/10.32446/0368-1025it.2020-4-3-7
Abstract
The results of works aimed at increasing the level of uniformity of measurements of the magnetic induction of a constant field – the basic value in the field of magnetic measurements. A set of equipment for reproducing a unit of magnetic induction of a constant field in the range of 1–25 mT was created and described. The inclusion of this complex in the State primary standard of units of magnetic induction, magnetic flux, magnetic moment and magnetic induction gradient GET 12-2011 will ensure the reproduction and direct transmission of the unit of permanent magnetic induction in the ranges of not only weak (10–3–1 mT), but medium (1–25 mT) and strong (0.025–1 T) magnetic fields. A quantum cesium magnetometer based on the resolved structure of cesium atoms was created to transmit the unit of magnetic induction to the region of medium fields. The procedure for calculating the frequency conversion coefficients to magnetic induction of the created quantum cesium magnetometer is described. The uncertainty budget for reproducing a unit of magnetic induction of a constant field using the created complex is estimated.
About the Authors
V. Ya. Shifrin
D. I. Mendeleyev Institute for Metrology
Russian Federation
Russian Federation
Vladlen Ya. Shifrin
Saint Petersburg
D. I. Belyakov
D. I. Mendeleyev Institute for Metrology
Russian Federation
Russian Federation
Denis I. Belyakov
Saint Petersburg
A. E. Shilov
D. I. Mendeleyev Institute for Metrology
Russian Federation
Russian Federation
Alexander E. Shilov
Saint Petersburg
D. D. Kosenkov
D. I. Mendeleyev Institute for Metrology
Russian Federation
Russian Federation
Denis D. Kosenkov
Saint Petersburg
References
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Review
For citations:
Shifrin V.Ya., Belyakov D.I., Shilov A.E., Kosenkov D.D. Research on expanding the range of reproduction of magnetic flux density of the DC field of the state primary standard GET12-2011. Izmeritel`naya Tekhnika. 2020;(4):3-7. (In Russ.) https://doi.org/10.32446/0368-1025it.2020-4-3-7
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