Dependence of measurement accuracy on the birefringence of PANDA fiber Bragg gratings in distributed simultaneous strain and temperature sensing

被引：24

作者：

Zhu, Mengshi ^{[1
]}

Murayama, Hideaki ^{[1
]}

Wada, Daichi ^{[2
]}

Kageyama, Kazuro ^{[1
]}

机构：

[1] Univ Tokyo, Sch Engn, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1138654, Japan

[2] Japan Aerosp Explorat Agcy, 6-13-1 Osawa, Mitaka, Tokyo 1810015, Japan

来源：

OPTICS EXPRESS | 2017年 / 25卷 / 04期

关键词：

SENSORS; DISCRIMINATION; POLARIZATION;

D O I：

10.1364/OE.25.004000

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

By both simulation and experiment, we studied the relationship of the measurement accuracy and the birefringence of the distributed simultaneous strain and temperature sensor using polarization-maintaining fiber Bragg gratings (PANDA-FBGs). The PANDA-FBGs were applied to an optical frequency domain reflectometry (OFDR) which is capable of distributed measurement at high spatial resolution and sampling rate. The simulated results had agreement with the experimental results that the measurement accuracy of both strain and temperature were improved by increasing the birefringence. Additionally, the efficiency of the accuracy improvements decreased when accuracy increased. (C) 2017 Optical Society of America

引用

页码：4000 / 4017

页数：18

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