High-precision control of static magnetic field magnitude, orientation, and gradient using optically pumped vapour cell magnetometry

S. J. Ingleby; P. F. Griffin; A. S. Arnold; Manto Choulaira; E. Riis

doi:10.1063/1.4980159

High-precision control of static magnetic field magnitude, orientation, and gradient using optically pumped vapour cell magnetometry

S. J. Ingleby, P. F. Griffin, A. S. Arnold, Manto Choulaira, E. Riis

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Abstract

An integrated system of hardware and software allowing precise definition of arbitrarily oriented magnetic fields up to |B| = 1 μT within a five-layer Mumetal shield is described. The system is calibrated with reference to magnetic resonance observed between Zeeman states of the 6S_1/2 F = 4 ¹³³Cs ground state. Magnetic field definition over the full 4π solid angle is demonstrated with one-sigma tolerances in magnitude, orientation, and gradient of δ|B| = 0.94 nT, δθ = 5.9 mrad, and δ|∇B|=13.0δ|∇B|=13.0 pT/mm, respectively. This field control is used to empirically map M_x magnetometer signal amplitude as a function of the static field (B₀) orientation.

Original language	English
Article number	043109
Number of pages	6
Journal	Review of Scientific Instruments
Volume	88
Issue number	4
Early online date	24 Apr 2017
DOIs	https://doi.org/10.1063/1.4980159
Publication status	E-pub ahead of print - 24 Apr 2017

Keywords

calibration
magnetic resonance
magnetic field measurements
coils
optical pumping

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10.1063/1.4980159

Ingleby-etal-RSI-2017-High-precision-control-of-static-magnetic-field-magnitude-orientation-and-gradientAccepted author manuscript, 3.73 MB

Data for: "High-precision control of static magnetic field magnitude, orientation, and gradient using optically pumped vapour cell magnetometry"
Ingleby, S. (Creator), University of Strathclyde, 1 Dec 2017
DOI: 10.15129/463b62bf-bfe9-416b-b9c6-902ce73d0c3c
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title = "High-precision control of static magnetic field magnitude, orientation, and gradient using optically pumped vapour cell magnetometry",

abstract = "An integrated system of hardware and software allowing precise definition of arbitrarily oriented magnetic fields up to |B| = 1 μT within a five-layer Mumetal shield is described. The system is calibrated with reference to magnetic resonance observed between Zeeman states of the 6S1/2 F = 4 133Cs ground state. Magnetic field definition over the full 4π solid angle is demonstrated with one-sigma tolerances in magnitude, orientation, and gradient of δ|B| = 0.94 nT, δθ = 5.9 mrad, and δ|∇B|=13.0δ|∇B|=13.0 pT/mm, respectively. This field control is used to empirically map Mx magnetometer signal amplitude as a function of the static field (B0) orientation.",

keywords = "calibration, magnetic resonance, magnetic field measurements, coils, optical pumping",

author = "Ingleby, {S. J.} and Griffin, {P. F.} and Arnold, {A. S.} and Manto Choulaira and E. Riis",

year = "2017",

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T1 - High-precision control of static magnetic field magnitude, orientation, and gradient using optically pumped vapour cell magnetometry

AU - Ingleby, S. J.

AU - Griffin, P. F.

AU - Arnold, A. S.

AU - Choulaira, Manto

AU - Riis, E.

PY - 2017/4/24

Y1 - 2017/4/24

N2 - An integrated system of hardware and software allowing precise definition of arbitrarily oriented magnetic fields up to |B| = 1 μT within a five-layer Mumetal shield is described. The system is calibrated with reference to magnetic resonance observed between Zeeman states of the 6S1/2 F = 4 133Cs ground state. Magnetic field definition over the full 4π solid angle is demonstrated with one-sigma tolerances in magnitude, orientation, and gradient of δ|B| = 0.94 nT, δθ = 5.9 mrad, and δ|∇B|=13.0δ|∇B|=13.0 pT/mm, respectively. This field control is used to empirically map Mx magnetometer signal amplitude as a function of the static field (B0) orientation.

AB - An integrated system of hardware and software allowing precise definition of arbitrarily oriented magnetic fields up to |B| = 1 μT within a five-layer Mumetal shield is described. The system is calibrated with reference to magnetic resonance observed between Zeeman states of the 6S1/2 F = 4 133Cs ground state. Magnetic field definition over the full 4π solid angle is demonstrated with one-sigma tolerances in magnitude, orientation, and gradient of δ|B| = 0.94 nT, δθ = 5.9 mrad, and δ|∇B|=13.0δ|∇B|=13.0 pT/mm, respectively. This field control is used to empirically map Mx magnetometer signal amplitude as a function of the static field (B0) orientation.

KW - calibration

KW - magnetic resonance

KW - magnetic field measurements

KW - coils

KW - optical pumping

U2 - 10.1063/1.4980159

DO - 10.1063/1.4980159

M3 - Article

VL - 88

JO - Review of Scientific Instruments

JF - Review of Scientific Instruments

SN - 0034-6748

IS - 4

M1 - 043109

ER -

High-precision control of static magnetic field magnitude, orientation, and gradient using optically pumped vapour cell magnetometry

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