Static magnetic field spatial distribution measuring system and method based on atomic magnetic resonance

A small-scale space static magnetic field space distribution measuring method based on atomic magnetic resonance is used for measuring the space distribution uniformity of a static magnetic field, andadopts the basic principle that an atomic air chamber filled with alkali metals (K, Rb, Cs and the like) is placed in the static magnetic field, and circularly polarized light is selected to polarizeatoms of the alkali metals (K, Rb, Cs and the like). A radio frequency field perpendicular to the static magnetic field is adopted to enable alkali metal (K, Rb, Cs and the like) atoms to be subjected to magnetic resonance, a photoelectric detector array detects the light intensity of the circularly polarized light penetrating through a gas chamber, and the static magnetic field intensity is obtained according to the Larmor precession frequency of the alkali metal (K, Rb, Cs and the like) atoms. The spatial position of the circularly polarized light is changed through a spatial light modulator, or magnetic field inten