Dictionary:Optically pumped magnetometer

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{{#category_index:O|optically pumped magnetometer}} A magnetometer such as the cesium or rubidium-vapor magnetometer that involves nuclear magnetic resonance as a transfer mechanism between light and an RF field at the Larmor frequency. See Figure O-3. Such magnetometers can be made extremely sensitive (≈0.001 nT). They measure absolutely the total magnetic field.