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INTEGRATED OPTIC WAVEMETER AND METHOD FOR FIBER OPTIC GYROSCOPES SCALE FACTOR STABILIZATION
INTEGRATED OPTIC WAVEMETER AND METHOD FOR FIBER OPTIC GYROSCOPES SCALE FACTOR STABILIZATION
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机译:光纤光学陀螺仪规模因子稳定化的集成光学波长和方法
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摘要
A system for stabilizing a scale factor associated with an optic rotation sensor comprises an optic rotation sensor that generates an optic signal in response to a rotation of the optic rotation sensor. A sensor detection system produces a rotation signal as a function of the optic signal and rotation of the optic rotation sensor. A first waveguide guides a portion of the optic signal for an interaction length, and produces a first processed optic signal. A second waveguide receives a portion of the optic signal from first waveguide through evanescent coupling, and produces a second processed optic signal. A wavemeter detector receives the optic signals and measures the effective interferometric wavelength (EIW) of the light based on the optic signals. A scale factor correction system receives the rotation signal and the EIW, and measures the correct rotation signal by processing the rotation signal and the EIW.
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