Results 11 to 20 of about 73,517 (263)

Review of Fiber Bragg Grating Fabricated by Femtosecond Laser Processing

open access: yesGuangtongxin yanjiu, 2022
Fiber Bragg Grating (FBG) has the advantages of anti-electromagnetic interference, corrosion resistance, small size and low cost. Moreover, the FBG fabricated by femtosecond laser has the unique advantages of high temperature resistance.
Bao-yan DING   +6 more
doaj   +1 more source

Design of a new method for detection of occupancy in the smart home using an FBG sensor [PDF]

open access: yes, 2020
This article introduces a new way of using a fibre Bragg grating (FBG) sensor for detecting the presence and number of occupants in the monitored space in a smart home (SH).
Fajkus, Marcel   +3 more
core   +1 more source

The study of internal structure of woven glass and carbon fiber reinforced composite materials with embedded fiber-optic sensors

open access: yesFracture and Structural Integrity, 2020
In this work, samples from composite materials with embedded optical fibers are investigated. It is known that for unidirectional layered composite materials, under certain conditions, a distortion of the internal structure and the formation of such ...
Grigorii Serovaev, Natalia Kosheleva
doaj   +1 more source

Characterization Study of Double Filtered Sensor Length Effect on Strain Sensitivity

open access: yesEast European Journal of Physics, 2023
In this simulation study, Optisystem 18 software is used to monitor and study the effectiveness of side strain on selected lengths of two virtual uniform fiber Bragg grating (FBG) sensors. The operational FBG sensor Bragg wavelength was 1550 nm, which is
Wasmaa A. Jabbar   +3 more
doaj   +1 more source

Use of FBG sensors for SHM in aerospace structures [PDF]

open access: yes, 2012
This paper details some significant findings on the use of the fiber Bragg grating (FBG) sensors for structural health monitoring (SHM) in aerospace fiber reinforced polymer (FRP) structures. A diminutive sensor provides a capability of imbedding inside
Epaarachchi, Jayantha   +3 more
core   +3 more sources

Implementation of a Mobile Platform Based on Fiber Bragg Grating Sensors for Automotive Traffic Monitoring

open access: yesSensors, 2020
Instrumentation techniques, implementation and installation methods are major concerns in today’s distributed and quasi-distributed monitoring applications using fiber optic sensors. Although many successful traffic monitoring experiments have been
Kivilcim Yuksel   +3 more
doaj   +1 more source

Railway overhead contact wire monitoring system by means of FBG sensors

open access: yesFracture and Structural Integrity, 2021
Safety of infrastructures represents one of the most significant concerns for governments and service providers to preserve people's well-being. One of the main ways to keep safe facilities (buildings, bridges, railways, etc.) involves the use of ...
Carla Lupi   +4 more
doaj   +1 more source

The association of fasting blood glucose (FBG) and waist circumference in northern adults in Iran: A population based study [PDF]

open access: yes, 2014
Objectives: The aim of this study was to evaluate the association between Fasting Blood Glucose (FBG) level and Waist Circumference (WC) in men and women among 25-65 years old people in the north of Iran.Material and methods: This was a cross-sectional ...
Angizeh, A.   +9 more
core   +1 more source

Comparative Studies of Biostimulation and Phytoremediation in the Mitigation of Crude Oil Toxicity in Tropical Soil

open access: yesJournal of Applied Sciences and Environmental Management, 2010
Comparative studies of biostimulation using local materials and phytoremediation in the mitigation of crude toxicity on tropical soil of the Niger-Delta of Nigeria were carried out.
FBG Tanee, PDS Kinako
doaj   +1 more source

Static and Dynamic Evaluation of a Winding Deformation FBG Sensor for Power Transformer Applications

open access: yesSensors, 2019
Power transformer is the most important and expensive equipment used in the electric power industry. Fiber Bragg grating (FBG) sensors has stood out as a flexible and particularly suitable tool for power transformer monitoring being a passive and ...
Aguinaldo Goes de Melo   +6 more
doaj   +1 more source

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