Full-light-path light intensity stable-controlling system of SERF atomic self-spinning top
A stable control and atomic spin technology, which is applied in Sagnac effect gyroscopes, optics, nonlinear optics, etc., can solve the problem of inability to integrate small SERF atomic spin gyroscope pumping and detection optical paths, low control accuracy, Slow response speed and other problems, to achieve the effect of suppressing light intensity fluctuations, convenient parameter adjustment, and low working voltage
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[0020] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0021] Such as figure 1 As shown, at first the first liquid crystal phase retarder 3 and the second liquid crystal phase retarder 13 are removed, and the first polarizer 5 and the second polarizer 15 are respectively rotated so that the intensity of the laser beam emitted therefrom is the minimum, thus When the light transmission axis of the first polarizer 5 and the second polarizer 15 is perpendicular to the light transmission axis direction of the pumping laser isolator 2 and the detection laser isolator 12 respectively, it is in an extinction state; then the first liquid crystal phase The retarder 3 and the second liquid crystal phase retarder 13 are reinstalled in as figure 1 In the positions shown, the first liquid crystal phase retarder 3 and the second liquid crystal phase retarder 13 are respectively rotated so that the intensity of t...
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