We study and develop optically-pumped magnetometers, utilising micro-fabricated vapor cells. We use both double-resonance and free-induction-decay magnetometers, with an emphasis on making compact devices. Applications range from geophysical surveying to livestock cardiac health monitoring.

Funding: EPSRC grant EP/M013294/1, InnovateUK EP/R019614/1.

Publications

  • S. J. Ingleby, C. O’Dwyer, P. F. Griffin, A. S. Arnold and E. Riis, Vector magnetometry exploiting phase-geometry effects in a double-resonance alignment magnetometerPhys. Rev. Appl. 10, 034035 (2018).
  • D. Hunter, S. Piccolomo, J. D. Pritchard, N. L. Brockie, T. E. Dyer and E. Riis, Free-induction-decay magnetometer based on a microfabricated Cs vapor cellPhys. Rev. Appl. 10, 014002 (2018).
  • S.J. Ingleby, C. O’Dwyer, P.F. Griffin, A.S. Arnold, & E. Riis, Orientational effects on the amplitude and phase of polarimeter signals in double-resonance atomic magnetometryPhys. Rev. A 96, 013429 (2017).
  • S.J. Ingleby, P.F. Griffin, A.S. Arnold, M. Chouliara, E. Riis, High-precision control of static magnetic field magnitude, orientation, and gradient using optically pumped vapour cell magnetometryRev. Sci. Instrum. 88, 043109 (2017).