OPM is a quantum electronic instrument that uses the characteristic frequency of quantum transitions between atomic energy levels to measure magnetic fields. It is currently one of the most sensitive magnetic field measurement methods. Miniaturized OPM have the advantages of simple operation, low power consumption, low cost, and high sensitivity, and have been applied in multiple non-contact detection fields, such as biological magnetic detection (MEG, MCG, etc.), basic physics, geomagnetic detection, cosmobiology, etc. The highly reliable miniaturized OPM developed by our company adopts new laser frequency stabilization technology, temperature stabilization technology, and other methods, further simplifying the OPM structure and improving OPM performance.








