Experimental study of polarization and backscattering noise of resonator fiber optic gyro

Liang Ning; Lijun Guo; Gang Fang; Cihang Liu

doi:10.1117/12.2087542

4 March 2015 Experimental study of polarization and backscattering noise of resonator fiber optic gyro

Liang Ning, Lijun Guo, Gang Fang, Cihang Liu

Proceedings Volume 9521, Selected Papers from Conferences of the Photoelectronic Technology Committee of the Chinese Society of Astronautics 2014, Part I; 95210J (2015) https://doi.org/10.1117/12.2087542
Event: Selected Proceedings of the Photoelectronic Technology Committee Conferences held August-October 2014, 2014, China, China

Abstract

We analyzed the parameters and main noise influence on resonator fiber optic gyro’s finesse, and put forward the main way to improve the finesse. Then, we built the optical fiber ring resonator test system, inhibited the polarization fluctuation noise by using the polarization controller and polarization-laser, and at last took the backscattering noise tests. The experimental results showed that the inhibition of the polarization fluctuation noise has made the fiber optic resonant ring finesse increase from 64.67 to 84.57, resonant depth increase from 0.5033 to 0.7308. At the same time, we measured the intensity ratio of the Rayleigh backscattering light and main signal of 0.0267%. It provides a helpful reference for manufacturing of resonator fiber optic gyro．

Citation Download Citation

Liang Ning, Lijun Guo, Gang Fang, and Cihang Liu "Experimental study of polarization and backscattering noise of resonator fiber optic gyro", Proc. SPIE 9521, Selected Papers from Conferences of the Photoelectronic Technology Committee of the Chinese Society of Astronautics 2014, Part I, 95210J (4 March 2015); https://doi.org/10.1117/12.2087542

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