Vector magnetocardiography using compact optically-pumped magnetometers [PDF]
Heliyon, 2023 Optically pumped magnetometers can provide functionality for bio-magnetic field detection and mapping. This has attracted widespread attention from researchers in the biomedical science field. Magnetocardiography has been proven to be an effective method
Shengran Su +10 more
doaj +5 more sources
Peripheral Nerve Magnetoneurography With Optically Pumped Magnetometers [PDF]
Frontiers in Physiology, 2022 Electrodiagnosis is routinely integrated into clinical neurophysiology practice for peripheral nerve disease diagnoses, such as neuropathy, demyelinating disorders, nerve entrapment/impingement, plexopathy, or radiculopathy.
Yifeng Bu +13 more
doaj +7 more sources
Muscle Fatigue Revisited – Insights From Optically Pumped Magnetometers [PDF]
Frontiers in Physiology, 2021 So far, surface electromyography (sEMG) has been the method of choice to detect and evaluate muscle fatigue. However, recent advancements in non-cryogenic quantum sensors, such as optically pumped magnetometers (OPMs), enable interesting possibilities to
Davide Sometti +30 more
doaj +8 more sources
Bias Calibration of Optically Pumped Magnetometers Based on Variable Sensitivity [PDF]
SensorsOptically pumped magnetometers (OPMs) functioning in the spin-exchange relaxation-free (SERF) regime have emerged as attractive options for measuring weak magnetic fields, owing to their portability and remarkable sensitivity.
Jieya Chen +4 more
doaj +3 more sources
Discrimination of finger movements by magnetomyography with optically pumped magnetometers [PDF]
Scientific Reports, 2023 Optically pumped magnetometers (OPM) are quantum sensors that offer new possibilities to measure biomagnetic signals. Compared to the current standard surface electromyography (EMG), in magnetomyography (MMG), OPM sensors offer the advantage of ...
Antonino Greco +6 more
doaj +3 more sources
On-scalp magnetocorticography with optically pumped magnetometers: Simulated performance in resolving simultaneous sources [PDF]
NeuroImage: Reports, 2022 Currently, the gold standard for high-resolution mapping of cortical electrophysiological activity is invasive electrocorticography (ECoG), a procedure that carries with it the risk of serious morbidity and mortality.
Allison C. Nugent +3 more
doaj +2 more sources
Calibration and Localization of Optically Pumped Magnetometers Using Electromagnetic Coils [PDF]
Sensors, 2022 In this paper, we propose a method to estimate the position, orientation, and gain of a magnetic field sensor using a set of (large) electromagnetic coils.
Joonas Iivanainen +8 more
doaj +2 more sources
Optically pumped magnetometers detect altered maximal muscle activity in neuromuscular disease [PDF]
Frontiers in Neuroscience, 2022 Optically pumped magnetometers (OPM) are quantum sensors that enable the contactless, non-invasive measurement of biomagnetic muscle signals, i.e., magnetomyography (MMG).
Lorenzo Semeia +27 more
doaj +2 more sources
Practical real-time MEG-based neural interfacing with optically pumped magnetometers [PDF]
BMC Biology, 2021 Background Brain-computer interfaces decode intentions directly from the human brain with the aim to restore lost functionality, control external devices or augment daily experiences.
Benjamin Wittevrongel +9 more
doaj +2 more sources
Multi-Parameter Optimization of Rubidium Laser Optically Pumped Magnetometers with Geomagnetic Field Intensity [PDF]
Sensors, 2023 Rubidium laser optically pumped magnetometers (OPMs) are widely used magnetic sensors based on the Zeeman effect, laser pumping, and magnetic resonance principles. They measure the magnetic field by measuring the magnetic resonance signal passing through
Kun Xu +9 more
doaj +2 more sources