On the Road with a Diamond Magnetometer

S. M. Graham; A. J. Newman; C. J. Stephen; A. M. Edmonds; D. J. Twitchen; M. L. Markham; G. W. Morley

doi:10.1016/j.diamond.2025.111945

On the Road with a Diamond Magnetometer

Applied Physics 2025-08-20 v2 Materials Science Instrumentation and Detectors Optics Quantum Physics

Authors: S. M. Graham , A. J. Newman , C. J. Stephen , A. M. Edmonds , D. J. Twitchen , M. L. Markham , G. W. Morley

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Abstract

Nitrogen vacancy centres in diamond can be used for vector magnetometry. In this work we present a portable vector diamond magnetometer. Its vector capability, combined with feedback control and robust structure enables operation on moving platforms. While placed on a trolley, magnetic mapping of a room is demonstrated and the magnetometer is also shown to be operational in a moving van with the measured magnetic field shifts for the x, y, and z axes being tagged with GPS coordinates. These magnetic field measurements are in agreement with measurements taken simultaneously with a fluxgate magnetometer.

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@article{arxiv.2401.16090,
  title  = {On the Road with a Diamond Magnetometer},
  author = {S. M. Graham and A. J. Newman and C. J. Stephen and A. M. Edmonds and D. J. Twitchen and M. L. Markham and G. W. Morley},
  journal= {arXiv preprint arXiv:2401.16090},
  year   = {2025}
}

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25 pages, 32 figures

On the Road with a Diamond Magnetometer

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