Digital closed-loop re-entrant fiber-optic rotation sensor with amplified Sagnac loop

被引：4
|
作者：
Hu, ZY [1 ]
Zhang, YS [1 ]
Pan, ZW [1 ]
Tang, QA [1 ]
机构：
[1] Tsing Hua Univ, Dept Precis Instruments, Beijing 100084, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2000年 / 12卷 / 08期
关键词：
closed-loop approach; fiber-optic rotation sensor; semiconductor optical amplifier;
D O I：
10.1109/68.868001
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A digital closed-loop re-entrant fiber-optic rotation sensor with an amplified Sagnac loop of 20-m length is investigated theoretically and experimentally. The detection sensitivity can be increased significantly by compensating for the roundtrip loss. The linearity of the scale factor between 600 and +600 deg/s is better than 1000 ppm by using a digital closed-loop approach.
引用
收藏
页码：1040 / 1042
页数：3
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