[HTML][HTML] Magnetoencephalography with optically pumped magnetometers (OPM-MEG): the next generation of functional neuroimaging
Magnetoencephalography (MEG) measures human brain function via assessment of the
magnetic fields generated by electrical activity in neurons. Despite providing high-quality …
magnetic fields generated by electrical activity in neurons. Despite providing high-quality …
Helium-4 magnetometers for room-temperature biomedical imaging: toward collective operation and photon-noise limited sensitivity
Optically-pumped magnetometers constitute a valuable tool for imaging biological magnetic
signals without cryogenic cooling. Nowadays, numerous developments are being pursued …
signals without cryogenic cooling. Nowadays, numerous developments are being pursued …
A New Generation of OPM for High Dynamic and Large Bandwidth MEG: The 4He OPMs—First Applications in Healthy Volunteers
MagnetoEncephaloGraphy (MEG) provides a measure of electrical activity in the brain at a
millisecond time scale. From these signals, one can non-invasively derive the dynamics of …
millisecond time scale. From these signals, one can non-invasively derive the dynamics of …
Adaptive multipole models of optically pumped magnetometer data
Multipole expansions have been used extensively in the Magnetoencephalography (MEG)
literature for mitigating environmental interference and modelling brain signal. However …
literature for mitigating environmental interference and modelling brain signal. However …
Performance Analysis of Optically Pumped 4He Magnetometers vs. Conventional SQUIDs: From Adult to Infant Head Models
Optically pumped magnetometers (OPMs) are new, room-temperature alternatives to
superconducting quantum interference devices (SQUIDs) for measuring the brain's magnetic …
superconducting quantum interference devices (SQUIDs) for measuring the brain's magnetic …
Zero-field optical magnetometer based on spin alignment
Optically pumped magnetometers are important instruments for imaging biological magnetic
signals without the need for cryogenic cooling. These magnetometers are presently …
signals without the need for cryogenic cooling. These magnetometers are presently …
Tri-axial rubidium and helium optically pumped magnetometers for on-scalp magnetoencephalography recording of interictal epileptiform discharges: a case study
O Feys, P Corvilain, E Labyt… - Frontiers in …, 2023 - frontiersin.org
Cryogenic magnetoencephalography (MEG) enhances the presurgical assessment of
refractory focal epilepsy (RFE). Optically pumped magnetometers (OPMs) are cryogen-free …
refractory focal epilepsy (RFE). Optically pumped magnetometers (OPMs) are cryogen-free …
Dual-axis Hanle magnetometer based on atomic alignment with a single optical access
G Le Gal, G Lieb, F Beato, T Jager, H Gilles… - Physical Review …, 2019 - APS
The usual Hanle-effect magnetometers allow the measurement of two components of a very-
low magnetic field using three orthogonal light beams. Here we present a scheme based on …
low magnetic field using three orthogonal light beams. Here we present a scheme based on …
An integrated high-sensitivity VCSEL-based spin-exchange relaxation-free magnetometer with optical rotation detection
G Zhang, H Zeng, G Tan, Q Lin - IEEE Sensors Journal, 2022 - ieeexplore.ieee.org
In the integrated design of spin-exchange relaxation-free (SERF) magnetometers, vertical
cavity surface emitting laser (VCSEL) is a promising candidate as a light source. However …
cavity surface emitting laser (VCSEL) is a promising candidate as a light source. However …
A 4He vector zero-field optically pumped magnetometer operated in the Earth-field
F Bertrand, T Jager, A Boness, W Fourcault… - Review of Scientific …, 2021 - pubs.aip.org
Low intrinsic noise, high bandwidth, and high accuracy vector magnetometers are key
components for many ground or space geophysical applications. Here, we report the design …
components for many ground or space geophysical applications. Here, we report the design …