Dynamic strain monitoring by wavelength locking between two fiber Bragg gratings fiber sensing system

Ming Chang Shih; C.L. Ko; C.Y. Yang

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Dynamic strain monitoring by wavelength locking between two fiber Bragg gratings fiber sensing system

机译：通过两个光纤布拉格光栅光纤传感系统之间的波长锁定来动态监测应变

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We demonstrated a fiber sensing system using the method of wavelength locking of two identical fibers Bragg gratings (FBG) to interrogate the wavelength shift by directly measuring the intensity of the reflection from the sensing Bragg grating. The light source of the fiber sensing system is an EDFA fiber ring laser pumped by a 980 nm laser diode and a narrow bandwidth fiber Bragg grating for the filter of the ring laser resonator. The wavelength shift is converted to the intensity deviation of the reflection from the sensing FBG under strain variation, and is able to achieve real-time sensing of the dynamic strain sensing in civil engineering. The characteristics and key factors to maintain stability of the dynamic strain sensing system are discussed.

机译：我们演示了一种光纤传感系统，该系统使用两个相同的光纤布拉格光栅（FBG）的波长锁定方法来通过直接测量传感布拉格光栅的反射强度来询问波长偏移。光纤传感系统的光源是由980 nm激光二极管和窄带宽光纤布拉格光栅泵浦的EDFA光纤环形激光器，用于环形激光谐振器的滤波器。在应变变化的情况下，将波长偏移转换为来自传感FBG的反射强度的偏差，并且能够实现土木工程中动态应变传感的实时传感。讨论了维持动态应变传感系统稳定性的特点和关键因素。

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来源
《Optics and Lasers in Engineering》 |2008年第7期|p.546-549|共4页
作者
Ming Chang Shih; C.L. Ko; C.Y. Yang;
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作者单位

Department of Electrical Engineering, National University of Kaohsiung, ROC No. 700, Kaohsiung University Road, Nan Tzu Dist., 811 Kaohsiung, Taiwan, ROC;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类光学;
关键词
fiber bragg grating; fiber ring laser; fiber sensing;

机译：光纤布拉格光栅;光纤环形激光器;光纤传感;

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专利

1. Simultaneous measurement of dynamic displacement and strain in a single fiber using coarse wavelength-division multiplexing and fiber Bragg-grating filter-based sensing system [J] . Chuang Kuo-Chih, Ma Chien-Ching, Wang Hwa-Chun Applied optics . 2016,第9期

机译：使用粗波分多路复用和基于光纤布拉格光栅滤波器的单纤维动态位移和应变的同时测量
2. Linearized Wavelength Interrogation System of Fiber Bragg Grating Strain Sensor Based on Wavelength-Swept Active Mode Locking Fiber Laser [J] . Lee Hwi Don, Kim Gyeong Hun, Eom Tae Joong, Lightwave Technology, Journal of . 2015,第12期

机译：基于波长扫描主动锁模光纤激光器的光纤光栅应变传感器线性化波长查询系统
3. Dynamic and static strain fiber Bragg grating sensor interrogation with a 1.3 (mu)m Fourier domain mode-locked wavelength-swept laser [J] . Byoung Chang Lee, Eun-Joo Jung, Chang-Seok Kim, Measurement Science & Technology . 2010,第9期

机译：动态和静态应变光纤布拉格光栅传感器与1.3μm傅里叶域锁模波长扫描激光器的询问
4. Dynamic fiber Bragg grating strain sensor using a wavelength-locked tunable fiber ring laser [C] . Yinian Zhu, Sridhar Krishnaswamy Conference on health monitoring of structural and biological systems . 2012

机译：使用波长锁定可调光纤环形激光器的动态光纤布拉格光栅应变传感器
5. Real-time Cure Monitoring of Composites Using a Guided wave-based System with High Temperature Piezoelectric Transducers, Fiber Bragg Gratings, and Phase-shifted Fiber Bragg Gratings [D] . Hudson, Tyler Blake. 2017

机译：使用带高温压电传感器，光纤布拉格光栅和相移光纤布拉格光栅的基于导波的系统对复合材料进行实时固化监控
6. A Bragg Wavelength-Insensitive Fiber Bragg Grating Ultrasound Sensing System that Uses a Broadband Light and No Optical Filter [O] . Hiroshi Tsuda 2011

机译：布拉格波长不敏感的光纤布拉格光栅超声传感系统使用宽带光且不使用光学滤波器
7. Tunable Laser based Carbon Composite Strain Sensing System using Wavelength Division Multiplexed Fiber Bragg Grating Sensors [O] . Michael J. Connelly A, Senan Moloney A, Paul Butler B 2008

机译：基于波分复用光纤布拉格光栅传感器的可调谐激光碳复合应变传感系统
8. Using Dual-wavelength Fiber Bragg Gratings for Temperature and Strain Sensing at Cryogenic Temperature [R] . Wu, Meng-Chou, Prosser, William H., Rogowski, Robert S., 2003

机译：使用双波长光纤布拉格光栅在低温下进行温度和应变传感

Dynamic strain monitoring by wavelength locking between two fiber Bragg gratings fiber sensing system

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