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In Search of Multi-Peaked Reflective Spectrum with Optic Fiber Bragg Grating Sensor for Dynamic Strain Measurement

机译：用光纤布拉格光栅传感器寻找多峰反射光谱用于动态应变测量

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摘要

In a typical optic fiber Bragg grating (FBG) strain measurement, unless in an ideal static laboratory environment, the presence of vibration or often disturbance always exists, which often creates spurious multiple peaks in the reflected spectrum, resulting in a non-unique determination of strain value. In this report we attempt to investigate the origin of this phenomenon by physical arguments and simple numerical simulation. We postulate that the fiber gratings execute small amplitude transverse vibrations changing the optical path in which the reflected light traverses slightly and non-uniformly. Ultimately, this causes the multi-peak reflected spectrum.

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作者
Tai, Hsiang;
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年度 2006
页码 p.1-11
总页数 11
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Bragg gratings; Optical paths; Strain measurement; Transverse oscillation; Spectra; Vibration;

机译：布拉格光栅;光路;应变测量;横向振荡;光谱;振动;

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专利

1. Dynamic strain measurement using two wavelength-matched fiber Bragg grating sensors interrogated by a cascaded long-period fiber grating [J] . Hongbo Zou, Dakai Liang, Jie Zeng Optics and Lasers in Engineering . 2012,第2期

机译：使用两个波长匹配的光纤布拉格光栅传感器进行动态应变测量，该传感器由级联的长周期光纤光栅询问
2. Thermal Expansion Measurements in Fresh and Saline Ice Using Fiber Optic Strain Gauges and Multipoint Temperature Sensors Based on Bragg Gratings [J] . Marchenko Aleksey, Lishman Ben, Wrangborg David, Journal of Sensors . 2016,第Pta4期

机译：使用光纤应变计和基于布拉格光栅的多点温度传感器测量新鲜和盐水中的热膨胀
3. An eight-channel fiber-optic Bragg grating and stimulated Brillouin sensor system for simultaneous temperature and strain measurements [J] . Posey R. Jr., Vohra S.T. IEEE Photonics Technology Letters . 1999,第12期

机译：八通道光纤布拉格光栅和受激布里渊传感器系统，用于同时测量温度和应变
4. Polarimetric and Fiber Bragg Grating reflective hybrid sensor for simultaneous measurement of strain and temperature in composite material [C] . Martin S. Bieda, Piotr Lesiak, Mateusz Szelag, Conference on optical sensors . 2015

机译：偏振和光纤布拉格光栅反射混合传感器，用于同时测量复合材料中的应变和温度
5. Fiber-Optic Sensors Based on Fiber Bragg Gratings for Dynamic Strain Measurement [D] . Zhu, Yupeng. 2020

机译：基于光纤布拉格光栅的光纤传感器用于动态应变测量
6. Dynamic Strain Measurements on Automotive and Aeronautic Composite Components by Means of Embedded Fiber Bragg Grating Sensors [O] . Alfredo Lamberti, Gabriele Chiesura, Geert Luyckx, 2015

机译：利用嵌入式光纤布拉格光栅传感器对汽车和航空复合材料部件进行动态应变测量
7. In Search of Multi-Peaked Reflective Spectrum with Optic Fiber Bragg Grating Sensor for Dynamic Strain Measurement [O] . Tai Hsiang 2006

机译：用光纤布拉格光栅传感器寻找多峰反射光谱以进行动态应变测量

In Search of Multi-Peaked Reflective Spectrum with Optic Fiber Bragg Grating Sensor for Dynamic Strain Measurement

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