Durability and long-term performance of fiber
This article provides an overview of key findings and recommendations for future research on the durability and performance of fiber-based materials, polymer (FRP) composites. The studies
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Humidity Sensing by Chitosan-Coated Fibre Bragg Gratings (FBG)
In this work, we report novel relative humidity sensors realized by functionalising fibre Bragg gratings with chitosan, a moisture-sensitive biopolymer never used before for this kind of fibre
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Interaction-aware dexterous robot for minimally invasive transcanal
Fiber Bragg grating sensors, mounted on the needle, measure axial force to estimate tool-tissue interaction. Validation is performed on cadavers and in vivo animals, demonstrating the
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Fabrication and test of novel fiber Bragg grating based humidity sensor
This paper focus on the fabrication and test of a novel fiber bragg grating based humidity sensor. The sensor is fabricated by uniformly coating humidity sensitive material on fiber bragg grating.
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Half-Covered Agarose Fiber Bragg Grating for Simultaneous
In this article, a temperature and relative humidity (RH) sensor based on a half-covered agarose fiber Bragg grating (HC-AFBG) is proposed and experimentally validated.
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Fiber Bragg grating humidity sensor based on side-polished step
A humidity sensor based on side-polished step-index multimode fiber Bragg grating (SI-MMFBG) is proposed. Both graded-index multimode fiber (GI-MMF) and step-index multimode fiber
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Fiber bragg grating sensor
Discover fiber Bragg grating sensors with high stability, stainless steel construction, and IP55 protection for precise strain and pressure monitoring in civil engineering and telecom applications.
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Monitoring of concrete shrinkage and creep using Fiber Bragg Grating
It was recommended to use Fiber Bragg Grating (FBG) sensors to measure the dynamic response of the bridge and to measure creep and shrinkage in the piers of the bridge. The random
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A Polyimide-Coated Fiber Bragg Grating Sensor for Multidepth Soil
In this article, we propose a polyimide-coated fiber Bragg grating (PI-FBG) sensor that can be used for multidepth soil humidity measurement. A coating device is first designed and used to
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Special Issue “Fiber Optic Sensors and Applications”: An Overview
In “Dynamic Deformation Reconstruction of Variable Section WING with Fiber Bragg Grating Sensors” , a dynamic reconstruction algorithm based on the inverse finite element
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Simultaneous measurement of humidity and temperature based on a
A humidity and temperature optical fiber sensor based on a long-period grating (LPG), which can provide simultaneous response to both magnitudes, is proposed and demonstrated via
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A Chirped Fiber Bragg Grating-Based Force Sensor for Minimally
The sensor incorporates a linearly chirped fiber Bragg grating (LCFBG), with a portion of the grating bonded at both ends and suspended at the center of an elastic hollow structure, while the remaining
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A self-compensating Fiber Bragg Grating sensor system using fiber
Fiber Bragg Grating (FBG) sensors are a promising alternative, but their simultaneous response to both temperature and strain (cross-sensitivity) has hindered their application.
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Fiber Bragg gratings as temperature and humidity sensors have been reviewed and demonstrated, which possess many unique advantages over conventional techniques.
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Article Multilayer hydrogel thermal management for high-efficiency
The Fiber Bragg Grating (FBG) sensor arrays were fabricated using a femtosecond laser (Pharos, Light Conversion Co., Ltd) and a three-dimensional precision displacement stage (Physik
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Design of fiber Bragg grating-based Fabry–Perot sensor for
A new sensor for simultaneous measurement of humidity and temperature is proposed. The sensor consists of Fabry–Perot cavity formed by two identical uniform fiber Bragg gratings. To
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Ultra-Sensitive F–P Humidity Sensor Based on an Open-Cavity Note
A dual-parameter sensor for temperature and humidity based on phase-shifted fiber Bragg grating (PS-FBG) with polymethylmethacrylate (PMMA) microsphere Fabry–Perot (FP) cavity is designed.
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Quasi-Distributed Humidity Sensing Method Based on a
In this article, a temperature and relative humidity (RH) sensor based on a half-covered agarose fiber Bragg grating (HC-AFBG) is proposed and experimentally validated.
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Fiber Bragg Grating Sensors: Design, Applications, and
Fiber Bragg grating (FBG) sensors have emerged as advanced tools for monitoring a wide range of physical parameters in various fields, including
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Recent Applications of Fiber Bragg Grating Sensors in Humidity and
There has been a growing interest in using Fiber Bragg Grating (FBG) sensors for the detection of humidity and water content due to their high sensitivity, ease of installation, multiplexing capability,
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Humidity sensor based on optical fiber Bragg grating with high
This paper presents novel preparation methods of polyimide and coupling agent, coated on the fiber Bragg grating (FBG) sensor for monitoring relative humidity (RH).
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Monitoring of concrete shrinkage and creep using Fiber Bragg Grating
The test results of the measured creep and shrinkage showed an excellent correlation of the published data on Normal Strength Concrete (NSC), High Performance Concrete (HPC) and
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High-sensitivity water leakage detection and localization in tunnels
This paper presents a novel super absorbent polymer (SAP)-coated ultra-weak fiber Bragg grating (UWFBG) strain sensing cable for enhanced water leakage detection and localization in
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Research on in-line Mach–Zehnder interferometer concentration sensor
A multipoint fiber optic sensor based on two cascaded multimode interferometer (MMI) and fiber Bragg grating (FBG) structures is proposed and demonstrated for simultaneous
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High sensitivity fiber Bragg grating humidity sensor based on
A fiber Bragg grating (FBG) humidity sensor was developed using an Agar/polyvinyl alcohol (PVA) composite film (4:1 ratio). Initial sensitivity reached 10.8 pm/%RH (25 %–85 %RH) with
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Wearable respiratory sensor based on Mach-Zehnder interferometer
In 2019, K Li, et al. reported an optical sensor based on laser wavelength demodulation and the respiration and pulse signals were collected by wavelet transform . In 2020, Aizhan
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Fiber Optics Sensors Standards Report
Distributed sensors or point sensors based on fiber Bragg grating (FBG) sensor technology for static and dynamic strain will require different guidelines than similar application sensors based on Brillioun or
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All in-fiber Fabry-Pérot interferometer sensor towards refractive index
A miniature and all-optical fiber sensor based on integration of Fabry–Perot interferometer (FPI) and fiber Bragg grating (FBG) is proposed and experimentally demonstrated for simultaneous
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