Differential fiber-optic gyroscope for rotational seismic observation

Liangya Du; Yuanhong Yang; Shuai Li; Haicheng Yu; Yongbin Yang; Xinxin Suo

doi:10.1117/12.3037244

20 November 2024 Differential fiber-optic gyroscope for rotational seismic observation

Liangya Du, Yuanhong Yang, Shuai Li, Haicheng Yu, Yongbin Yang, Xinxin Suo

Proceedings Volume 13243, Advanced Sensor Systems and Applications XIV; 1324306 (2024) https://doi.org/10.1117/12.3037244
Event: SPIE/COS Photonics Asia, 2024, Nantong, Jiangsu, China

Abstract

A differential fiber optic gyroscope (FOG) driven by two broadband light sources with different wavelengths was demonstrated theoretically and experimentally, and bias drift and angle random walk both can be reduced considerably due to common-mode error cancellation. A 3-component fiber optic rotational seismometer based on the differential FOG was developed and successfully applied in rotational seismic observation.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Liangya Du, Yuanhong Yang, Shuai Li, Haicheng Yu, Yongbin Yang, and Xinxin Suo "Differential fiber-optic gyroscope for rotational seismic observation", Proc. SPIE 13243, Advanced Sensor Systems and Applications XIV, 1324306 (20 November 2024); https://doi.org/10.1117/12.3037244

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