|
|
|
|
|
Chung-Ru Chao, Wei-Lun Liang and Tsair-Chun Liang
In this paper, a new type of optical fiber tilt sensor based on fiber Bragg grating (FBG) is presented for 2D dual-axis tilt angle sensing. The tilt sensor is composed of two cylindrical floats suspended in water, connected with FBG. When the external en...
ver más
|
|
|
|
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhenlin Chen, Kunlin Han and Ya-Nan Zhang
This paper proposes a reflective fiber mercury ion sensor based on the surface plasmon resonance (SPR) principle and chitosan (CS)/polyacrylic acid (PAA) multilayer sensitive film. By optimizing the coating parameters of the gold film, the refractive ind...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yansong Li, Weiwei Zhang, Xinying Liu and Jun Liu
The straight-through magneto-optical glass current sensor has desirable temperature properties, but it is vulnerable to magnetic interference. In contrast, a polarization-type fiber optic current sensor has poor temperature performance, but the magnetic ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Mateusz Madry, Lourdes Alwis and Elzbieta Beres-Pawlik
Potential application of the presented setup for strain measurement in a DWDM configuration.
|
|
|
|
|
|
|
|
|
|
|
Honglin Li, Hui Deng, Guangqi Zheng, Mingguang Shan, Zhi Zhong and Bin Liu
Corrugated diaphragms (CDs) have been widely used in many fields because of their higher pressure sensitivity and wider linear range compared to flat diaphragms (FDs) in the same circumstances. Especially in the application of miniature fiber-optic press...
ver más
|
|
|
|
|
|
|
|
|
|
|
Aris Ikiades
Ice accretion on an aircraft affects the aerodynamic performance of the wings by disrupting the airflow, increasing drag, and altering its flight characteristics, leading to a main or tail wing-stall and altimetry to aircraft loss. The current generation...
ver más
|
|
|
|
|
|
|
|
|
|
|
Renxiang Lu and Johnn Judd
Structural health monitoring of highway bridges is a vital but currently challenging aspect of infrastructure engineering due to the number of sensors required, power requirements, and harsh environmental conditions. The purpose of this study is to devel...
ver más
|
|
|
|
|
|
|
|
|
|
|
M. S. Aruna Gandhi, Suoda Chu, K. Senthilnathan, P. Ramesh Babu, K. Nakkeeran and Qian Li
The survey focuses on the most significant contributions in the field of fiber optic plasmonic sensors (FOPS) in recent years. FOPSs are plasmonic sensor-based fiber optic probes that use an optical field to measure the biological agents. Owing to their ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Cheng-Shane Chu and Jhih-Jheng Syu
|
|
|
|
|
|
|
|
|
|
|
Hao Su, Monssef Drissi-Habti and Valter Carvelli
This work is a follow-up to previous research by our team and is devoted to studying a dual-sinusoidal placement of distributed fiber-optic sensors (FOSs) that are embedded inside an adhesive joint between two composite laminates. The constructed smart c...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kort Bremer, Lourdes S. M. Alwis, Yulong Zheng, Frank Weigand, Michael Kuhne, Reinhard Helbig and Bernhard Roth
The paper presents an investigation into the durability of functionalized carbon structures (FCS) in a highly alkaline concrete environment. First, the suitability of optical fibers with different coatings?i.e., acrylate, polyimide, or carbon?for the FCS...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yoshitaka Sakata, Takao Katsura, Katsunori Nagano and Manabu Ishizuka
Heat advection caused by groundwater flow can potentially improve the performance of a borehole heat exchanger. However, the required flow velocity is not achieved under most natural conditions. This study focuses on artificial groundwater flow generated...
ver más
|
|
|
|
|
|
|
|
|
|
|
Franz J. Dutz, Sven Boje, Ulrich Orth, Alexander W. Koch and Johannes Roths
In this paper, the deployment of a newly developed, multipoint, fiber-optic temperature-sensor system for temperature distribution measurements in a 6 MW gas turbine is demonstrated. The optical sensor fiber was integrated in a stainless steel protection...
ver más
|
|
|
|
|
|
|
|
|
|
|
Il-Bum Kwon, Yong-Seok Kwon, Dae-Cheol Seo, Dong-Jin Yoon and Eunho Kim
Anchor systems are widely used to stabilize soil slope and suppress slope failure. Thus, monitoring conditions of an anchor system is important to prevent disasters due to slope failure. The slope condition can be indirectly monitored by sensing the tens...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lei Gao, Chuan Han, Omar Abdulhafidh, Yunhao Gong and Yingjie Jin
In order to study the deformation of a bored pile during concrete curing, it is necessary to monitor the strain of the pile. In this paper, Brillouin optical time domain reflectometer (BOTDR) technology is used to monitor the pile strain during concrete ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Qixiang Tang, Cong Du, Jie Hu, Xingwei Wang and Tzuyang Yu
Detection of early-stage corrosion on slender steel members is crucial for preventing buckling failures of steel structures. An active photoacoustic fiber optic sensor (FOS) system is reported herein for the early-stage steel corrosion detection of steel...
ver más
|
|
|
|
|
|
|
|
|
|
|
Bernard Jacob, Louis-Marie Cottineau
Pág. 1413 - 1422
Heavy commercial vehicle overloads contribute to premature deterioration of infrastructure and increase road unsafety and unfair competition between transport modes and operators. Public authorities and road operators must therefore implement an efficien...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ali Mekhtiyev, Yelena Neshina, Aliya Alkina, Vyacheslav Yugay, Valeriy Kalytka, Yermek Sarsikeyev and Lalita Kirichenko
This paper presents the results of complex scientific research aimed at developing a prototype fiber-optic system for controlling the technical condition of buildings, structures, and extended objects. The aim is to develop a quasi-distributed type of fi...
ver más
|
|
|
|
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|