Hybrid fiber Bragg grating/long period fiber grating sensor for strain/temperature discrimination

被引：456
|
作者：
Patrick, HJ
Williams, GM
Kersey, AD
Pedrazzani, JR
Vengsarkar, AM
机构：
[1] VIRGINIA POLYTECH INST & STATE UNIV,BLACKSBURG,VA 24061
[2] AT&T BELL LABS,LUCENT TECHNOL,MURRAY HILL,NJ 07974
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 1996年 / 8卷 / 09期
关键词：
D O I：
10.1109/68.531843
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 a novel sensor which uses the difference in strain and temperature response of fiber Bragg gratings and a long period fiber grating to discriminate between strain and temperature induced wavelength shifts. Sensor interrogation is performed entirely on the fiber Bragg grating reflection signals, Strain and temperature were simultaneously measured to +/-9 mu strain and +/-1.5 degrees C over a wide range of conditions.
引用
收藏
页码：1223 / 1225
页数：3
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