Accuracy Improvement of Residual Stress Measurement by Chirp Compensation of FBG

Xu, Yao; Duan, Chao; Li, Zhuoshu; Tan, Tu; Qiu, Chengjun; Xiao, Gui; Tian, Yongchao; Zhang, Wei-Bin; Zhang, Jianzhong

doi:10.1109/tim.2020.3041101

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2022

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“…With the progress of FBG inscribe technology, many innovative forms of Bragg gratings have been realized, such as chirped FBG [ 16 , 17 , 18 , 19 , 20 ], titled FBG [ 21 , 22 , 23 , 24 ] and phase-shifted fiber Bragg grating (PS-FBG) [ 25 , 26 , 27 , 28 ]. Among them, PS-FBG has attracted extensive attention [ 29 ].…”

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confidence: 99%

Fabrication and Sensing Application of Phase Shifted Bragg Grating Sensors

Sun

Zeng

et al. 2022

Materials

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As a special kind of Bragg grating, phase-shifted fiber Bragg grating (PS-FBG) has attracted extensive attention because of its extremely narrow transmission window and excellent sensing performance. The main purpose of this manuscript is to discuss the PS-FBG with special sensing characteristics and explore the influence of different inscription technologies on the sensing characteristics of PS-FBG by comparing the existing inscription methods. The sensing characteristics, advantages and disadvantages of PS-FBG with different structures are analyzed.

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