Influence of piezoelectricity on the vibration errors of interferometric fiber-optic gyroscope

Yan Li; Chunxi Zhang; Hongjie Xu; Dewei Yang; Wenyuan Xu

doi:10.1117/12.717249

6 November 2006 Influence of piezoelectricity on the vibration errors of interferometric fiber-optic gyroscope

Yan Li, Chunxi Zhang, Hongjie Xu, Dewei Yang, Wenyuan Xu

Proceedings Volume 6357, Sixth International Symposium on Instrumentation and Control Technology: Signal Analysis, Measurement Theory, Photo-Electronic Technology, and Artificial Intelligence; 63573N (2006) https://doi.org/10.1117/12.717249
Event: Sixth International Symposium on Instrumentation and Control Technology, 2006, Beijing, China

Abstract

Vibration errors of fiber optic gyroscope (FOG) affect its application performance directly. According to the Y waveguide integrated optical modulator, and based on the piezoelectricity characteristic of LiNbO₃ crystal, the affixed voltage caused by vibration was analyzed theoretically. The expression between the vibrating acceleration and the voltage produced on the electrode of waveguide was conducted. At the same time, in accordance with the Pockels effect, the phase error caused by the voltage in the interferometer was achieved. Vibration errors, caused by vibrating accelerations which is single frequency, were simulated by computer. The conclusion that the error caused by piezoelectricity is one of the vibration errors is achieved.

Citation Download Citation

Yan Li, Chunxi Zhang, Hongjie Xu, Dewei Yang, and Wenyuan Xu "Influence of piezoelectricity on the vibration errors of interferometric fiber-optic gyroscope", Proc. SPIE 6357, Sixth International Symposium on Instrumentation and Control Technology: Signal Analysis, Measurement Theory, Photo-Electronic Technology, and Artificial Intelligence, 63573N (6 November 2006); https://doi.org/10.1117/12.717249

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