Results 41 to 50 of about 9,055 (249)
Brillouin lasing in single-mode tapered optical fiber with inscribed fiber Bragg grating array
Results in Physics, 2018 A tapered optical fiber has been manufactured with an array of fiber Bragg gratings (FBG) inscribed during the drawing process. The total fiber peak reflectivity is 5% and the reflection bandwidth is ∼3.5 nm. A coherent frequency domain reflectometry has
S.M. Popov +12 more
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, 2002 Multimode fiber optic Bragg grating sensors for strain and temperature measurements using correlation signal processing methods have been developed. Two multimode Bragg grating sensors were fabricated in 62/125 m graded-index silica multimode fiber ...
Jones, BE, Jackson, PR, Lim, J, Yang, QP
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Thermal dependence of the strain response of optical fibre Bragg gratings. [PDF]
, 2004 The temperature dependence of the strain sensitivity of fibre Bragg gratings written into a number of different fibre types has been investigated. It was found that the strain response changed on average by 0.21 ± 0.03 fm µε-1 °C-1 over a range of ...
O'Dwyer, Martin +8 more
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Etching Process Related Changes and Effects on Solid-Core Single-Mode Polymer Optical Fiber Grating
IEEE Photonics Journal, 2016 Etching process related material and mechanical changes on solid-core single-mode polymer optical fiber (POF) and their influence on the characteristic properties of polymer fiber Bragg gratings (PFBGs) are studied.
Kishore Bhowmik +6 more
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ULTRASOUND DETECTION BY APPLYING FIBER BRAGG GRATINGS [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2019 Subject of Research. This paper presents the results of an experimental study on the possibility of applying single fiber Bragg gratings as sensitive elements for detecting ultrasonic impacts in gaseous or liquid media and at placing fiber Bragg ...
Alexander A. Vlasov +5 more
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Sensors, 2021 In this study, silica glass, optical fiber Bragg gratings (FBGs) are used for torque-induced strain monitoring in carbon fiber reinforced polymer (CFRP) hollow shafts toward the development of a methodology for structural load monitoring.
Maria Konstantaki +11 more
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A Magnetostrictive Composite-Fiber Bragg Grating Sensor [PDF]
Sensors, 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
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SensorsEmbedded fiber Bragg gratings are increasingly applied for in-situ strain measurement in fiber-reinforced plastics, integral to high-end aerospace equipment.
Chunhua Zhou +4 more
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Advances on Polymer Optical Fiber Gratings Using a KrF Pulsed Laser System Operating at 248 nm
Fibers, 2018 This paper presents the achievements and progress made on the polymer optical fiber (POF) gratings inscription in different types of Fiber Bragg Gratings (FBGs) and long period gratings (LPGs). Since the first demonstration of POFBGs in 1999, significant
Carlos A. F. Marques +7 more
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A transverse loading technique to enhance the pressure measurement capability of fibre Bragg gratings [PDF]
, 2008 A fibre optic pressure sensor based on the application of a transverse load onto an epoxy-resin material embedded over a sub-section of a fibre Bragg grating (FBG) is presented.
R. Correia +7 more
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