Analysis of Resonance Asymmetry Phenomenon in Resonant Fiber Optic Gyro
AbstractThis experiment demonstrated the resonance asymmetry phenomenon in the resonant fiber optic gyro. The asymmetry of resonant curve affects the system open-loop bias and its stability, which directly affects the accuracy of angular velocity measurement. In this paper, a new mathematic model is established. The influence of the coupler normal mode loss difference (the phase difference between the coupler cross port output optical field and direct port is less than the ideal π/2) on the symmetry of resonant curve, the resonant signal modulated by the triangular wave, and the demodulation curve are analyzed. Moreover, the asymmetry of the resonant curve leads to the asymmetry of the resonant signal, as modulated by the triangular wave and the demodulation curve from the theoretical simulation and the experiment. View Full-Text
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Li, Z.; He, N.; Sun, X.; Jin, C.; Liu, C.; Wu, X. Analysis of Resonance Asymmetry Phenomenon in Resonant Fiber Optic Gyro. Sensors 2018, 18, 696.
Li Z, He N, Sun X, Jin C, Liu C, Wu X. Analysis of Resonance Asymmetry Phenomenon in Resonant Fiber Optic Gyro. Sensors. 2018; 18(3):696.Chicago/Turabian Style
Li, Zhuoyan; He, Nie; Sun, Xuqiang; Jin, Chao; Liu, Chengxiang; Wu, Xu. 2018. "Analysis of Resonance Asymmetry Phenomenon in Resonant Fiber Optic Gyro." Sensors 18, no. 3: 696.
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