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A novel dual-core fiber-optic gyroscope with independent rotation rate measurements in different cores of a dual-core optical fiber
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2012 Labs, Central Research Institute, Huawei Technologies Co., Ltd., Shenzhen 518129, China

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    Abstract:

    We introduce an all-fiber stationary phase shifter for a fiber-optic gyroscope (FOG) which simultaneously provides phase shifts of opposite signs in different cores of the dual-core optical fiber. We propose a new dual-core fiber-optic gyroscope (DCFOG) in which different cores of the dual-core optical fiber provide independent rotation rate measurements. The device enables implementation of a differential scheme, which ensures the stability of the measured phase shift. As a computer simulation result, the accuracy of the rotation rate sensing is increased by up to 10 times at typical noise levels.

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Emil A. Milikov, Viacheslav V. Zemlyakov, Pavel S. Anisimov, GAO Jiexing. A novel dual-core fiber-optic gyroscope with independent rotation rate measurements in different cores of a dual-core optical fiber[J]. Optoelectronics Letters,2024,20(11):671-675

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History
  • Received:November 13,2023
  • Revised:April 03,2024
  • Online: September 30,2024
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