Calibration and Localization of Optically Pumped Magnetometers Using Electromagnetic Coils

Calibration and Localization of Optically Pumped Magnetometers Using Electromagnetic Coils

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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. We apply the method for calibrating an array of optically pumped magnetometers (OPMs) for magnetoencephalography (MEG). We first measure the mag...

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Bibliographic Details
Main Authors: Borna, A. (Author), Carter, T.R (Author), Iivanainen, J. (Author), McKay, J. (Author), Parkkonen, L. (Author), Schwindt, P.D.D (Author), Stephen, J.M (Author), Taulu, S. (Author), Zetter, R. (Author)
Format: Article
Language:English
Published: MDPI 2022
Subjects:
Brain mapping
calibration
Calibration
co‐registration
Coregistration
electromagnetic coil
Electromagnetic coils
Errors
fluxgate magnetometer
Fluxgate magnetometer
Magnetic fields
magnetoencephalography
Magnetoencephalography
Magnetometer sensors
Magnetometers
On‐scalp magnetoencephalography
on‐scalp MEG
Optically pumped
optically pumped magnetometer
Optically pumped magnetometer
Position-orientation
sensor localization
Sensor localization
Vector spherical harmonics
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