Closed-loop control system for nuclear magnetic resonance gyroscope of three working media
A technology of nuclear magnetic resonance gyroscope and working medium, which is applied in the direction of steering induction equipment, etc., can solve the problems of not considering the influence of the equivalent magnetic field of optical displacement, and the static magnetic field cannot achieve the ideal effect.
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[0034] Such as figure 1 As shown, it is a schematic diagram of the principle of the nuclear magnetic resonance gyroscope closed-loop control system of the present invention. The NMR gyroscope device has a gas chamber filled with an alkali metal, preferably Rb in this embodiment. Fill the air chamber filled with Rb 129 Xe, 131 Xe, 83 Kr, 21 Ne, 3 He, 199 Hg and 201 For the three gases in Hg, it is required that the filled gas should meet the requirement that the nuclear spin is a half-integer, and it will not react with the alkali metal filled in the device. Here is preferably 129 Xe, 131 Xe, 83 Kr three stable inert gases are used as the working medium. When the gyroscope is working, the three working media will be polarized by colliding with the Rb polarized by the pump light. After polarization, the three working media start to do Larmor precession around the static magnetic field, and are driven by the magnetic field B 1 , driven and kept in a stable working st...
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