Offset errors caused by the resonance asymmetry in the waveguide-type optical passive resonator gyro

Yan Chen; Huilian Ma; Zhonghe Jin

doi:10.1117/12.884981

17 May 2011 Offset errors caused by the resonance asymmetry in the waveguide-type optical passive resonator gyro

Yan Chen, Huilian Ma, Zhonghe Jin

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77531K (2011) https://doi.org/10.1117/12.884981
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

Abstract

The resonance asymmetry in the waveguide ring resonator and its influence on the offset errors of the waveguide-type optical passive resonator gyro (OPRG) are demonstrated experimentally and theoretically. The offset errors are produced by the resonance asymmetry especially when the phase modulation spectroscopy technique is involved in the OPRG. Modulation frequencies of both the clockwise and counterclockwise lightwaves are determined to decrease the offset errors. The fundamental solution to eliminate the asymmetry influence on the OPRG is also proposed.

Citation Download Citation

Yan Chen, Huilian Ma, and Zhonghe Jin "Offset errors caused by the resonance asymmetry in the waveguide-type optical passive resonator gyro", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77531K (17 May 2011); https://doi.org/10.1117/12.884981

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