Capability Enhancement of a Magnetometer with Hemispherical Pole Pieces

A. A. Sandulyak; Сандуляк А. А.; D. A. Sandulyak; Сандуляк Д. А.; M. N. Polismakova; Полисмакова М. Н.; V. A. Ershova; Ершова В. А.; A. V. Sandulyak; Сандуляк А. В.

doi:10.31857/S0032816223030102

Capability Enhancement of a Magnetometer with Hemispherical Pole Pieces

Authors: Sandulyak A.A.¹, Sandulyak D.A.¹, Polismakova M.N.¹, Ershova V.A.¹, Sandulyak A.V.¹
Affiliations:
1. MIREA Russian Technological University
Issue: No 4 (2023)
Pages: 116-122
Section: ОБЩАЯ ЭКСПЕРИМЕНТАЛЬНАЯ ТЕХНИКА
URL: https://rjsvd.com/0032-8162/article/view/670490
DOI: https://doi.org/10.31857/S0032816223030102
EDN: https://elibrary.ru/ISGMKU
ID: 670490

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Abstract
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Abstract

The work describes an updated magnetometer based on the ponderomotive principle in which specially used hemispherical pole pieces create an inhomogeneous magnetic field with zones of virtually constant values of the magnetic gradient (MG) and/or the magnetic force factor (MFF) in the vicinities of the extrema of the coordinate dependences of the MG and MFF. These zones (MGconst and MFFconst) are fixed in the magnetometer by limiters in the form of controllable (laser) markers and have individual values of the coordinates of their conditional centers xextr and lengths ∆x with a permissible error of changes in the MG and MFF data within such zones. It is shown that, at various mutual distances between the hemispherical pole pieces with the diameter D, the MFFconst zone is located almost a third closer to the center-to-center line of the hemispheres (according to xextr/D) in comparison with the MGconst zone and is less extended (according to Δx/D) to the same extent.

References

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