Magnetometry optimisation in unshielded environments

Aidan Arnold, Paul Griffin, Erling Riis, Yogeshwar Kale, Stuart Ingleby, Victoria Henderson, Rachel Elvin, James Patrick McGilligan

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Optically pumped magnetometry in unshielded environments is potentially of great advantage in a wide range of surveying and security applications. Optimisation of OPM modulation schemes and feedback in the Mx scheme offers enhanced sensitivity through noise cancellation and decoherence suppression. The work presented demonstrates capability for softwarecontrolled optimisation of OPM performance in ambient fields in the 0.5G range. Effects on magnetometer bandwidth and sensitivity are discussed. Supported by UK National Quantum Technologies Programme.
Original languageEnglish
Number of pages19
Publication statusPublished - 27 Jun 2016
Event47th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics - Rhode Island Convention Center, Providence, RI, United States
Duration: 23 May 201627 May 2016
Conference number: 47


Conference47th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Country/TerritoryUnited States
CityProvidence, RI
Internet address


  • unshielded magnetometry
  • quantum technologies
  • magnetometry


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