Performance of a resonant fiber-optic gyroscope based on a broadband source

被引：15

作者：

Liu, Shuang ^{[1
]}

Liu, Lu ^{[1
]}

Hu, Junyi ^{[1
]}

Li, Hanzhao ^{[2
]}

Liu, Qingwen ^{[2
]}

Ma, Huilian ^{[1
]}

He, Zuyuan ^{[2
]}

机构：

[1] Zhejiang Univ, Sch Aeronaut & Astronaut, Hangzhou 310027, Peoples R China

[2] Shanghai Jiao Tong Univ, State Key Lab Adv Commun Syst & Networks, 800 Dongchuan Rd, Shanghai 200240, Peoples R China

来源：

APPLIED OPTICS | 2022年 / 61卷 / 16期

基金：

中国国家自然科学基金;

关键词：

RING-RESONATOR; GYRO; ROTATION; DRIFT; LOOP;

D O I：

10.1364/AO.460419

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A resonant fiber-optic gyroscope (RFOG) based on a broadband source can avoid the fundamental drawback of coherence detection processing while possessing the greater sensitivity afforded by the finesse of the fiber-optic ring resonator. In this paper, the basic operation principle is presented and demonstrated in detail, and various noise sources, as well as the temperature effect encountered in this broadband source-driven RFOG, are studied and analyzed. Then a combined modulation technique is proposed to suppress the residual backscattering noise. To further reduce the effect of temperature transience, an asymmetric fiber ring resonator is designed. In the experiment, a bias stability of 0.01 degrees/h is successfully demonstrated with a 100 m-long fiber ring resonator of 8 cm diameter in a laboratory environment without temperature control. (C) 2022 Optica Publishing Group

引用

页码：4971 / 4979

页数：9

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