Quantum sensors for biomedical applications

N Aslam, H Zhou, EK Urbach, MJ Turner… - Nature Reviews …, 2023‏ - nature.com
Quantum sensors are finding their way from laboratories to the real world, as witnessed by
the increasing number of start-ups in this field. The atomic length scale of quantum sensors …

[HTML][HTML] Magnetoencephalography with optically pumped magnetometers (OPM-MEG): the next generation of functional neuroimaging

MJ Brookes, J Leggett, M Rea, RM Hill, N Holmes… - Trends in …, 2022‏ - cell.com
Magnetoencephalography (MEG) measures human brain function via assessment of the
magnetic fields generated by electrical activity in neurons. Despite providing high-quality …

A 90‐channel triaxial magnetoencephalography system using optically pumped magnetometers

M Rea, E Boto, N Holmes, R Hill… - Annals of the New …, 2022‏ - Wiley Online Library
Magnetoencephalography (MEG) measures the small magnetic fields generated by current
flow in neural networks, providing a noninvasive metric of brain function. MEG is well …

[HTML][HTML] Enabling ambulatory movement in wearable magnetoencephalography with matrix coil active magnetic shielding

N Holmes, M Rea, RM Hill, J Leggett, LJ Edwards… - NeuroImage, 2023‏ - Elsevier
The ability to collect high-quality neuroimaging data during ambulatory participant
movement would enable a wealth of neuroscientific paradigms. Wearable …

[HTML][HTML] Measurement of frontal midline theta oscillations using OPM-MEG

N Rhodes, M Rea, E Boto, L Rier, V Shah, RM Hill… - NeuroImage, 2023‏ - Elsevier
Optically pumped magnetometers (OPMs) are an emerging lightweight and compact sensor
that can measure magnetic fields generated by the human brain. OPMs enable construction …

[HTML][HTML] Real-time, model-based magnetic field correction for moving, wearable MEG

S Mellor, TM Tierney, RA Seymour, RC Timms… - NeuroImage, 2023‏ - Elsevier
Most neuroimaging techniques require the participant to remain still for reliable recordings to
be made. Optically pumped magnetometer (OPM) based magnetoencephalography (OP …

Three-axis closed-loop optically pumped magnetometer operated in the SERF regime

Y Yan, J Lu, S Zhang, F Lu, K Yin, K Wang, B Zhou… - Optics …, 2022‏ - opg.optica.org
We propose a three-axis closed-loop optically pumped magnetometer with high sensitivity.
The closed-loop magnetometer has a three-axis sensitivity of approximately 30 fT/Hz^ 1/2 …

Adaptive multipole models of optically pumped magnetometer data

TM Tierney, Z Seedat, K St Pier, S Mellor, GR Barnes - 2024‏ - Wiley Online Library
Multipole expansions have been used extensively in the Magnetoencephalography (MEG)
literature for mitigating environmental interference and modelling brain signal. However …

Machine learning assisted vector atomic magnetometry

X Meng, Y Zhang, X Zhang, S **, T Wang… - Nature …, 2023‏ - nature.com
Multiparameter sensing such as vector magnetometry often involves complex setups due to
various external fields needed in explicitly connecting one measured signal to one …