High-precision control of static magnetic field magnitude, orientation, and gradient using optically pumped vapour cell magnetometry
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Ingleby, S. J. and Griffin, P. F. and Arnold, A. S. and Choulaira, Manto and Riis, E. (2017) High-precision control of static magnetic field magnitude, orientation, and gradient using optically pumped vapour cell magnetometry. Review of Scientific Instruments, 88 (4). 043109. ISSN 0034-6748 (https://doi.org/10.1063/1.4980159)
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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 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.
ORCID iDs
Ingleby, S. J.
ORCID: https://orcid.org/0000-0001-7473-9949, Griffin, P. F. ORCID: https://orcid.org/0000-0002-0134-7554, Arnold, A. S. ORCID: https://orcid.org/0000-0001-7084-6958, Choulaira, Manto and Riis, E. ORCID: https://orcid.org/0000-0002-3225-5302;
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Item type: Article ID code: 60954 Dates: DateEvent24 April 2017Published24 April 2017Published Online3 April 2017AcceptedSubjects: Science > Physics Department: Faculty of Science > Physics Depositing user: Pure Administrator Date deposited: 15 Jun 2017 09:26 Last modified: 12 Dec 2024 05:19 URI: https://strathprints.strath.ac.uk/id/eprint/60954