Results 11 to 20 of about 82,664 (317)

Recent Advances in Fiber Bragg Grating Sensing

open access: yesSensors
In the vast realm of optical fiber sensing, where precision and innovation converge, Fiber Bragg Gratings (FBGs) stand as luminaries, casting their influence across myriad applications [...]
Antreas Theodosiou
doaj   +2 more sources

Ultrafast Laser Processing of Optical Fibers for Sensing Applications

open access: yesSensors, 2021
A review of recent progress in the use of infrared femtosecond lasers to fabricate optical fiber sensors that incorporate fiber Bragg gratings (FBG) and random fiber gratings (RFG) is presented.
Stephen J. Mihailov   +10 more
doaj   +1 more source

Advances in femtosecond laser direct writing of fiber Bragg gratings in multicore fibers: technology, sensor and laser applications

open access: yesOpto-Electronic Advances, 2022
In this article, we review recent advances in the technology of writing fiber Bragg gratings (FBGs) in selected cores of multicore fibers (MCFs) by using femtosecond laser pulses.
A. Wolf   +5 more
semanticscholar   +1 more source

Review of Femtosecond-Laser-Inscribed Fiber Bragg Gratings: Fabrication Technologies and Sensing Applications

open access: yesPhotonic Sensors, 2021
Fiber Bragg grating (FBG) is the most widely used optical fiber sensor due to its compact size, high sensitivity, and easiness for multiplexing. Conventional FBGs fabricated by using an ultraviolet (UV) laser phase-mask method require the sensitization ...
Jun He   +4 more
semanticscholar   +1 more source

INSCRIPTION PROCESS RESEARCH AND OPTIMIZATION FOR SUPERIMPOSED FIBER BRAGG GRATINGS [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2017
Subject of Research. The paper presents the study of inscription process distinctive features for superimposed fiber Bragg gratings. We analyzed spectral characteristics changes of superposition segregated gratings that appear during inscription of ...
Kirill A. Konnov   +6 more
doaj   +1 more source

EFFECT OF OPTICAL FIBER HYDROGEN LOADING ON THE INSCRIPTION EFFICIENCY OF CHIRPED BRAGG GRATINGS BY MEANS OF KrF EXCIMER LASER RADIATION [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2016
Subject of Research.We present comparative results of the chirped Bragg gratings inscription efficiency in optical fiber of domestic production with and without low-temperature hydrogen loading. Method.
Sergey V. Varzhel   +3 more
doaj   +1 more source

Fiber Bragg Gratings for Medical Applications and Future Challenges: A Review

open access: yesIEEE Access, 2020
In the last decades, fiber Bragg gratings (FBGs) have become increasingly attractive to medical applications due to their unique properties such as small size, biocompatibility, immunity to electromagnetic interferences, high sensitivity and multiplexing
D. Lo Presti   +12 more
semanticscholar   +1 more source

Fiber Bragg Grating Based Thermometry [PDF]

open access: yesNCSLI Measure, 2015
In recent years there has been considerable interest in developing photonic temperature sensors such as the Fiber Bragg gratings (FBG) as an alternative to resistance thermometry. In this study we examine the thermal response of FBGs over the temperature range of 233 K to 393 K.
Ahmed, Zeeshan   +3 more
openaire   +3 more sources

SPECTRAL CHARACTERISTICS STUDY OF PHASE-SHIFTED FIBER BRAGG GRATINGS UNDER PRESSURE APPLIED PERPENDICULAR TO FIBER AXIS [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2018
Subject of Research.The paper presents the study of effect that occurs when pressure is applied to the phase-shifted fiber Bragg gratings perpendicular to the fiber axis. Method. Fiber Bragg gratings inscription was performed using Talbot interferometer,
Novikova V.A.   +4 more
doaj   +1 more source

CENTRAL WAVELENGTH ADJUSTMENT OF LIGHT EMITTING SOURCE IN INTERFEROMETRIC SENSORS BASED ON FIBER-OPTIC BRAGG GRATINGS [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2015
The paper is focused on the investigation of fiber-optic interferometric sensor based on the array of fiber Bragg gratings. Reflection spectra displacement mechanism of the fiber Bragg gratings under the external temperature effects and the static ...
A. S. Aleynik   +4 more
doaj   +1 more source

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