Low-Cost Real-Time Fiber-Optic Distance Sensing for OPM-based Biomagnetic Measurements
Background: Accurate tracking of the distance between magnetic sensors and biological tissue is particularly relevant to biomagnetic measurements in which stable wearable sensor configurations are not feasible, such as optically pumped magnetometer-based magnetomyography (OPM-MMG). In these measurements, movement-induced changes in source-to-sensor geometry can affect the recorded signal…
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