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Fiber-Optic Gyroscope Accuracy Improvement by Suppressing the Parasitic Effects in Integrated Optic Phase Modulators
Gyroscopy and Navigation Pub Date : 2020-02-03 , DOI: 10.1134/s2075108719040114 A. M. Kurbatov , R. A. Kurbatov , A. M. Goryachkin
中文翻译:
通过抑制集成光学相位调制器中的寄生效应来提高光纤陀螺仪的精度
更新日期:2020-02-03
Gyroscopy and Navigation Pub Date : 2020-02-03 , DOI: 10.1134/s2075108719040114 A. M. Kurbatov , R. A. Kurbatov , A. M. Goryachkin
Abstract
The results of study of a fiber-optic gyroscope prototype with 0.01–0.001deg/h drift are presented. The gyroscope comprises three feedback loops: one for Sagnac phase difference compensation, the second one for the scale factor stabilization, and the third (fast-response) one for the compensation of constant component of optical signal on the photodetector, affecting the measurement channel. To increase the accuracy of the prototype gyroscope up to the level of 0.001 deg/h, it is proposed to use the fourth and the fifth feedback loops which will suppress the parasitic effects in the integrated optic phase modulators.中文翻译:
通过抑制集成光学相位调制器中的寄生效应来提高光纤陀螺仪的精度