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Timur Agliullin, Vladimir Anfinogentov, Oleg Morozov, Airat Sakhabutdinov, Bulat Valeev, Ayna Niyazgulyeva and Yagmyrguly Garovov
The work is dedicated to a comparative analysis of the following methods for fiber Bragg grating (FBG) spectral response modeling. The Layer Sweep (LS) method, which is similar to the common layer peeling algorithm, is based on the reflectance and transm...
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Gang Cheng, Zhenxue Wang, Ye Wang, Bin Shi, Tianbin Li, Jinghong Wu, Haoyu Zhang and Qinliang You
In recent years, with the superposition of extreme climate, earthquakes, engineering disturbance and other effects, global landslide disasters occur frequently. Due to reservoir landslides being mostly in a multi-field coupling environment, the temperatu...
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Ziguang Jia, Guangda Ma, Xin Su, Yibo Li, Chenghao Xing, Shuhan Ye, Xuan Yi and Chunxu Qu
Ocean platforms that are under complex sea conditions and loads for long periods are prone to fatigue cracks. These cracks may lead to large deformations, even displacement, of the platform, and should be monitored to ensure engineering safety. Cracks ar...
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Hun-Kook Choi, Young-Jun Jung, Bong-Ahn Yu, Jae-Hee Sung, Ik-Bu Sohn, Jong-Yeol Kim and Md. Shamim Ahsan
This paper demonstrates the fabrication of radiation-resistant fiber Bragg grating (FBG) sensors using infrared femtosecond laser irradiation. FBG sensors were written inside acrylate-coated fluorine-doped single-mode specialty optical fibers. We detecte...
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Xixian Chen, Lixiao Zhang, Botao Xie, Guangyi Zhou and Xuefeng Zhao
Strain is one of the key concerns of structural health monitoring (SHM), and effective measurement of structural strain is very important for structural health condition assessment. The purpose of this paper is to investigate the application of the micro...
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Sung-Tae Kim, Young-Soo Park, Chul-Hwan Yoo, Soobong Shin and Young-Hwan Park
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Aayush Madan, Stephanie Hui Kit Yap, Varghese Paulose, Wonkeun Chang, Perry Ping Shum and Jianzhong Hao
This paper presents the fabrication of a fiber Bragg grating (FBG)-based Fabry?Perot (FP) structure (7 mm total length) in an adiabatic fiber taper, investigates its strain and temperature characteristics, and compares the sensing characteristics with a ...
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Daichi Wada and Masato Tamayama
The load and angle of attack (AoA) for wing structures are critical parameters to be monitored for efficient operation of an aircraft. This study presents wing load and AoA identification techniques by integrating an optical fiber sensing technique and a...
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Carlo Molardi, Tiago Paixão, Aidana Beisenova, Rui Min, Paulo Antunes, Carlos Marques, Wilfried Blanc and Daniele Tosi
Inscription and interrogation of fiber Bragg gratings into MgO nanoparticle-doped fiber for optical fiber distributed and multiplexed sensing.
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Guoqian Wei, Shanshan Li, Yongxing Guo and Zhang Dang
The real weld toe geometry is generally not mathematically perfect, resulting in obvious stress concentration effects, both on the weld section and along the longitudinal direction of the weld toe. The true stress-strain state at the local weld toe direc...
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