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Acta Optica Sinica, Volume. 45, Issue 4, 0406003(2025)

Optimization of Backscattering Noise in Resonant Fiber-Optic Gyroscope Based on Broadband Source

Changjiang Ye1, Jun Li2, Chang Su1, Tianqi He2, Chengkang Yao2, and Xinyuan Qi1、*
Author Affiliations
  • 1School of Physics, Northwest University, Xi’an 710127, Shaanxi , China
  • 2Xi’an Flight Automatic Control Research Institute, Aviation Industry Corporation of China, Ltd., Xi’an , Shaanxi 710076, China
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    AbstractGet PDF(in Chinese)
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    System architecture schematic

    Fig. 1. System architecture schematic

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    Variations of backscattered light intensity with wavelength and refractive index. (a) Wavelength; (b) refractive index

    Fig. 2. Variations of backscattered light intensity with wavelength and refractive index. (a) Wavelength; (b) refractive index

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    CIR and MIOC backscatter test optical path

    Fig. 3. CIR and MIOC backscatter test optical path

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    Variations of backscatter intensity with wavelength of light source. (a) CIR; (b) CIR & MIOC

    Fig. 4. Variations of backscatter intensity with wavelength of light source. (a) CIR; (b) CIR & MIOC

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    Schematic of RFOG driven by broadband source

    Fig. 5. Schematic of RFOG driven by broadband source

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    Resonance curve and modulated signal of broadband source RFOG. (a) Resonance curve; (b) modulated signal

    Fig. 6. Resonance curve and modulated signal of broadband source RFOG. (a) Resonance curve; (b) modulated signal

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    Variations of backscattered light intensity with wavelength of light source. (a) Clockwise; (b) counterclockwise

    Fig. 7. Variations of backscattered light intensity with wavelength of light source. (a) Clockwise; (b) counterclockwise

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    Photograph of RFOG system

    Fig. 8. Photograph of RFOG system

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    Bias of gyroscope with different light source wavelength. (a) 1540 nm; (b) 1554 nm

    Fig. 9. Bias of gyroscope with different light source wavelength. (a) 1540 nm; (b) 1554 nm

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    Variations of ARW and BI of gyroscope with wavelength

    Fig. 10. Variations of ARW and BI of gyroscope with wavelength

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    Changjiang Ye, Jun Li, Chang Su, Tianqi He, Chengkang Yao, Xinyuan Qi. Optimization of Backscattering Noise in Resonant Fiber-Optic Gyroscope Based on Broadband Source[J]. Acta Optica Sinica, 2025, 45(4): 0406003

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Oct. 20, 2024

    Accepted: Dec. 25, 2024

    Published Online: Feb. 10, 2025

    The Author Email: Qi Xinyuan (qixycn@nwu.edu.cn)

    DOI:10.3788/AOS241650

    CSTR:32393.14.AOS241650

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology