Transmissive resonator optic gyro based on silica waveguide ring resonator

A transmissive resonator optic gyro (TROG) based on silica waveguide ring resonator with improved long-term bias stability is reported in this paper. The modeling of a transmissive resonator used in optic gyro is carried out. The polarization dependence of resonator and the influences of phase modul...

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Bibliographic Details
Published in:Optics express 2014-11, Vol.22 (22), p.27565-27575
Main Authors: Feng, Lishuang, Wang, Junjie, Zhi, Yinzhou, Tang, Yichuang, Wang, Qiwei, Li, Haicheng, Wang, Wei
Format: Article
Language:English
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Summary:A transmissive resonator optic gyro (TROG) based on silica waveguide ring resonator with improved long-term bias stability is reported in this paper. The modeling of a transmissive resonator used in optic gyro is carried out. The polarization dependence of resonator and the influences of phase modulator's residual intensity modulation on the gyro output are analyzed. The resonator is simulated, designed, fabricated, tested and used to build up a TROG prototype. A bias stability of 0.22°/s over one hour test with an integration time of 10s is successfully demonstrated. No obvious drift has been found from the Allan variance analysis result of a 10000s test data, which means that the TROG prototype has an improved long-term drift characteristic.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.22.027565