Journal
OPTICS EXPRESS
Volume 22, Issue 22, Pages 27565-27575Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.22.027565
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Funding
- National Natural Science Foundation of China [61171004]
- Institute of Opto-Electronic Technology of Beihang University
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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 degrees/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. (C) 2014 Optical Society of America
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