Results 31 to 40 of about 72,293 (249)

Structural Health Monitoring of a Tall Building during Construction with Fiber Bragg Grating Sensors

open access: yesInternational Journal of Distributed Sensor Networks, 2012
Fiber Bragg grating sensors demonstrate a great potential as a structural health monitoring tool for civil structures to ensure structural integrity, durability, and reliability.
D. S. Li, L. Ren, H. N. Li, G. B. Song
doaj   +1 more source

Continuously Tunable Erbium-Doped Fiber Ring Laser Using Fiber Bragg Grating

open access: yesInternational Islamic University Malaysia Engineering Journal, 2012
An efficient tunable erbium-doped fiber (EDF) ring laser utilizing a single fiber Bragg grating (FBG) and an optical circulator is investigated. The laser demonstrates a threshold of 3.43 mW and a slope efficiency of 12.5%.
S. W. Harun H. Ahmad and P. Poopalan
doaj   +1 more source

Regeneration of tilted fiber Bragg gratings

open access: yesSPIE Proceedings, 2014
The regeneration of Tilted Fiber Bragg Gratings photowritten in a singlemode SMF-28e fiber is investigated. Three tilted FBGs, with respectively 0°, 4° and 8° external tilt angles are annealed according to a conventional high temperature regeneration protocol.
Cotillard, Romain   +2 more
openaire   +2 more sources

The Research of Power Cable On-line Measurement System Based on Fiber Bragg Grating Sensor

open access: yesChemical Engineering Transactions, 2016
This paper puts forward a power cable on-line measurement system which is based on fiber Bragg grating. Firstly the paper analyzes several solutions to cable lines temperature measurement, then the best solution to cable temperature measurement should be
J.Y. Shi
doaj   +1 more source

Tunable Spacing Dual-Wavelength Q-Switched Fiber Laser Based on Tunable FBG Device

open access: yesPhotonics, 2021
A tunable spacing dual-wavelength Q-switched fiber laser is experimentally demonstrated based on a fiber Bragg grating tunable device incorporated in an erbium-doped fiber laser (EDFL).
Nurnazifah M. Radzi   +8 more
doaj   +1 more source

Generalized Resonance Sensor Based on Fiber Bragg Grating

open access: yesPhotonics, 2021
In response to the difficulty of weak detection of early bearing damage, resonance demodulation technology and the principle of fiber Bragg grating sensing strain were combined to design a fiber Bragg grating generalized resonance sensor, which can ...
Xinxin Chen   +6 more
doaj   +1 more source

A Magnetostrictive Composite-Fiber Bragg Grating Sensor [PDF]

open access: yesSensors, 2010
This paper presents a light and compact optical fiber Bragg Grating sensor for DC and AC magnetic field measurements. The fiber is coated by a thick layer of a magnetostrictive composite consisting of particles of Terfenol-D dispersed in a polymeric matrix.
Sully M. M. Quintero   +4 more
openaire   +3 more sources

Reconstruction of fiber Bragg grating strain profile used to monitor the stiffness degradation of the adhesive layer in carbon fiber–reinforced plastic single-lap joint

open access: yesAdvances in Mechanical Engineering, 2017
The adhesive-bonded joint of carbon fiber–reinforced plastic is one of the core components in aircraft structure design. It is an effective guarantee for the safety and reliability of the aerospace aircraft structure to use effective methods for ...
Song Chunsheng   +4 more
doaj   +1 more source

Mitigation of stimulated Raman scattering in a high-power fiber master oscillator power amplifier laser based on a dual-structure fiber grating

open access: yesHigh Power Laser Science and Engineering, 2023
With the increasing power of fiber lasers, single chirped and tilted fiber Bragg gratings (CTFBGs) cannot completely mitigate continuously enhanced system-excited stimulated Raman scattering (SRS).
Kerong Jiao   +7 more
doaj   +1 more source

FIBER OPTIC MEASUREMENT SYSTEM FOR DETERMINATION OF EXTENDED OBJECT POSITION AND BENDS IN 3D SPACE [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2020
Subject of Research. Fiber optic measurement systems are widely used in various industries. Most of these systems are fiber optic devices for detecting physical quantities.
Daria A. Egorova   +3 more
doaj   +1 more source

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