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.
R. Dawson, C. O'Dwyer, M. S. Mrozowski, E. Irwin, J. P. McGilligan, D. P. Burt, D. Hunter, S. Ingleby, M. Rea, N. Holmes, M. J. Brookes, P. F. Griffin, E. Riis,
Portable single-beam cesium zero-field magnetometer for magnetocardiography.
Journal of Optical Microsystems3,
(2023).
D. Hunter, C. Perrella, A. McWilliam, J. P. McGilligan, M. Mrozowski, S. J. Ingleby, P. F. Griffin, D. Burt, A. N. Luiten, E. Riis,
Free-induction-decay magnetic field imaging with a microfabricated Cs vapor cell.
Optics Express31,
33582–33595
(2023).
D. Hunter, M. S. Mrozowski, A. McWilliam, S. J. Ingleby, T. E. Dyer, P. F. Griffin, E. Riis,
Optical pumping enhancement of a free-induction-decay magnetometer.
Journal of Optical Society of America B40,
2664–2673
(2023).
M. S. Mrozowski, I. C. Chalmers, S. J. Ingleby, P. F. Griffin, E. Riis,
Ultra-low noise, bi-polar, programmable current sources.
Review of Scientific Instruments94,
(2023).
J. U. Sutter, O. Lewis, C. Robinson, A. McMahon, R. Boyce, R. Bragg, A. Macrae, J. Orton, V. Shah, S. J. Ingleby, P. F. Griffin, E. Riis,
Recording the heart beat of cattle using a gradiometer system of optically pumped magnetometers.
Computers and Electronics in Agriculture177,
105651
(2020).
C. O'Dwyer, S. J. Ingleby, I. C. Chalmers, P. F. Griffin, E. Riis,
A feed-forward measurement scheme for periodic noise suppression in atomic magnetometry.
Review of Scientific Instruments91,
045103
(2020).
