Remote polarimetric fiber-optic sensor

被引：0
|
作者：
Khlybov, AV [1 ]
Kotov, OI [1 ]
Markov, SI [1 ]
机构：
[1] St Petersburg State Polytech Univ, St Petersburg 195251, Russia
来源：
LASERS FOR MEASUREMENTS AND INFORMATION TRANSFER 2003 | 2004年 / 5381卷
关键词：
polarimetric sensor; pseudo-heterodyne detection scheme; sensing head; birefringence modulation;
D O I：
10.1117/12.547657
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A new polarimetric fiber-optic sensor with passive and remote sensing head has been introduced. The pseudo-heterodyne detection is applied for the sensor work. The modulation of phase difference of the fiber modes is induced due to change the fiber birefringence with the help of axial strain or lateral pressure. The sensor resolution can potentially reaches the resolution of two-fiber interferometers. The sensor scheme is free from some drawbacks are specific to two-fiber interferometric sensors. The sensor can be utilized as vibrometer, acoustic sensor, accelerometer, etc., according to construction of the sensing head.
引用
收藏
页码：83 / 90
页数：8
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