Distributed Acoustic Sensor Using Broadband Weak FBG Array for Large Temperature Tolerance

被引：19

作者：

Wang, Chen ^{[1
]}

Shang, Ying ^{[1
]}

Zhao, Wen-An ^{[1
]}

Liu, Xiao-Hui ^{[1
]}

Wang, Chang ^{[1
]}

Yu, Hai-Hu ^{[2
]}

Yang, Ming-Hong ^{[2
]}

Peng, Gang-Ding ^{[3
]}

机构：

[1] Qilu Univ Technol, Shandong Acad Sci, Laser Inst, Jinan 250014, Shandong, Peoples R China

[2] Wuhan Univ Technol, Natl Engn Lab Fiber Opt Sensing Technol, Wuhan 430070, Hubei, Peoples R China

[3] Univ New South Wales, Sch Elect Engn & Telecommun, Sydney, NSW 2052, Australia

来源：

IEEE SENSORS JOURNAL | 2018年 / 18卷 / 07期

基金：

中国国家自然科学基金;

关键词：

Distributed fiber sensing; fiber Bragg gratings; interferometry; optical time domain reflectometry; MACH-ZEHNDER INTERFEROMETER; FIBER BRAGG GRATINGS; NETWORK; SYSTEM; OTDR; STRAIN;

D O I：

10.1109/JSEN.2018.2803750

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：

We demonstrate distributed acoustic sensor using broadband weak fiber Bragg grating array for large temperature tolerance in an phi-optical time domain reflectometry system with a balanced Michelson interferometer. The system was tested with large difference in local temperature, 18 degrees C and 50 degrees C, simultaneously, and achieves a relatively flat frequency response from 20 Hz to 1200 Hz.

引用

页码：2796 / 2800

页数：5

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