All-optical nonzero-field vector magnetometer using orthogonal detecting beams achieves estimated 16 fT/Hz^{1/2} scalar sensitivity and demonstrated 4x10^{-7} rad angular sensitivity in an 8 mm cell.
Rea et al., A 90 -Channel Triaxial Magnetoencephalography System Using Optically Pumped Magnetometers , Annals of the New York Academy of Sciences (2022)
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All-Optical Nonzero-Field Vector Magnetic Sensor For Magnetoencephalography
All-optical nonzero-field vector magnetometer using orthogonal detecting beams achieves estimated 16 fT/Hz^{1/2} scalar sensitivity and demonstrated 4x10^{-7} rad angular sensitivity in an 8 mm cell.