Atomic magnetometer probe based on optical virtual magnetic field technology
An atomic magnetometer and magnetic field technology, applied in the size/direction of the magnetic field, using magneto-optical equipment for magnetic field measurement, the outer shell of the magnetic sensor, etc., can solve the problem of high sensitivity measurement of the magnetic field and low signal-to-noise ratio of the atomic magnetometer and other problems, to achieve the effect of reducing magnetic field interference, high sensitivity measurement, and improving signal-to-noise ratio
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[0017] Specific implementation mode one: refer to figure 1 This embodiment is described in detail. An atomic magnetometer probe based on optical virtual magnetic field technology described in this embodiment includes: a first laser, a first 1 / 2 wave plate, a first polarizing beam splitting prism, a first 1 / 4 wave plate, atomic gas chamber, first photodetector, second laser, second 1 / 2 wave plate, second polarizing beam splitting prism, second 1 / 4 wave plate, half mirror, second Photodetector, frequency discrimination module and PID feedback circuit;
[0018] The detection light emitted by the first laser is transmitted to the first polarization beam splitting prism through the first 1 / 2 wave plate. The wave plate is transmitted into the atomic gas chamber, and another beam of detection light is reflected to the half mirror;
[0019] The virtual magnetic field control light emitted by the second laser is transmitted to the second polarization beam splitting prism through the...
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