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Closed-Loop Method Based on Faraday Effect in Resonant Fiber Optic Gyro Employing a low Coherence-Noise Resonator

The closed-loop method based on the Faraday effect is realized with a low coherence-noise resonator in resonance fiber optic gyro (RFOG). The resonator based on spun-fiber (SF) is designed and fabricated, which not only has the advantage of low coherent optical noises, but also has an outstanding circularly state of polarization (CSOP) maintaining ability that lays the foundation for the realization of a closed-loop method based on the Faraday effect. As the core component of the Faraday-based method, the Faraday coil is reasonably designed to meet the requirements of the sufficient frequency shift and power stability. In addition, the interval control method that is conducive to the improvement of system stability is applied to control Faraday coil for the first time. The experimental results show that the method we proposed can effectively achieve high-reciprocity and linear equivalent frequency shift by Faraday coil. Also, the short-term and long-term stability of Faraday-based RFOG system have been improved compared with other closed-loop methods, which provides a simple and efficient method for RFOG closed-loop signal processing.

Ketersediaan

Informasi Detail

Judul Seri

JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol.39 No.21 November 1 2021

No. Panggil

-

Penerbit

: .,

Deskripsi Fisik

p. 6994-7000

Bahasa

English

ISBN/ISSN

-

Klasifikasi

NONE

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

-

Subjek

FARADAY EFFECT
RESONANT FIBER OPTIC GYRO
CLOSED-LOOP METHOD

Info Detail Spesifik

10.1109/JLT.2021.3108005

Pernyataan Tanggungjawab

Zhuo Wang, Guochen Wang, Weiqi Miao, Wei Gao, Yu Cheng

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