A Bias-instability-enhanced Dual-polarization Fiber-optic Gyroscope for Precision Measurement
- Resource Type
- Conference
- Authors
- Chen, Yanjun; Cao, Yuwen; Zhu, Lanxin; Wang, Wenbo; He, Yan; Huang, Huimin; Ma, Xiangdong; Li, Zhengbin
- Source
- 2023 Conference on Lasers and Electro-Optics (CLEO) Lasers and Electro-Optics (CLEO), 2023 Conference on. :1-2 May, 2023
- Subject
- Photonics and Electrooptics
Couplings
Seismic measurements
Optical recording
Earthquakes
Optical fiber couplers
Measurement by laser beam
Optical coupling
- Language
A dual-polarization fiber-optic gyroscope with a delay coil is realized. The bias instability reaches 5 × 10 −6 °/h. An earthquake with an epicentral distance of 4200 km has been recorded, indicating the ability for precision measurement.