An optical cancellation scheme of relative intensity noise for high precision fiber optic gyroscope

Zhisheng Zheng; Hu Liang; Xiaoming Zhao; Fei Hui

doi:10.1117/12.2688949

6 November 2023 An optical cancellation scheme of relative intensity noise for high precision fiber optic gyroscope

Zhisheng Zheng, Hu Liang, Xiaoming Zhao, Fei Hui

Proceedings Volume 12921, Third International Computing Imaging Conference (CITA 2023); 1292122 (2023) https://doi.org/10.1117/12.2688949
Event: Third International Computing Imaging Conference (CITA 2023), 2023, Sydney, Australia

Abstract

In this paper, an optical cancellation scheme is proposed to suppress the relative intensity noise of fiber optic gyroscope. High precision fiber optic gyroscope usually uses high power light source to improve strength. Relation intensity noise becomes the main noise source of gyroscope. The all-fiber structure is adopted, and the correlation between the optical signal at the idle end of the coupler and the relative intensity of the interference signal is used for noise cancellation, so as to improve the accuracy of fiber optic gyroscope and reduce the process difficulty and production cost of high- precision fiber optic gyroscope.

Citation Download Citation

Zhisheng Zheng, Hu Liang, Xiaoming Zhao, and Fei Hui "An optical cancellation scheme of relative intensity noise for high precision fiber optic gyroscope", Proc. SPIE 12921, Third International Computing Imaging Conference (CITA 2023), 1292122 (6 November 2023); https://doi.org/10.1117/12.2688949

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