Fiber-optic distributed sensing by a two-loop Sagnac interferometer

被引：52
|
作者：
Fang, XJ
机构：
[1] Fiber and Electro-Opt. Res. Center, Bradley Dept. of Elec. Engineering, Virginia Polytech. Inst. State Univ., Blacksburg
来源：
OPTICS LETTERS | 1996年 / 21卷 / 06期
关键词：
D O I：
10.1364/OL.21.000444
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A two-loop Sagnac interferometer is proposed for fiber-optic distributed sensing. The location of a disturbance can be determined from the two output phase signals of the two Sagnac loops, and the amplitude of the disturbance can be obtained by integration of the phase signal. A prototype distributed impact sensing system has been tested based on the two-loop Sagnac interferometer. (C) 1996 Optical Society of America
引用
收藏
页码：444 / 446
页数：3
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