Search Results - "Ouerdane, Youcef"
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Overview of radiation induced point defects in silica-based optical fibers
Published in Reviews in physics (01-11-2019)“…Silica-based optical fibers, fiber-based devices and optical fiber sensors are today integrated in a variety of harsh environments associated with radiation…”
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2
Sol-gel derived ionic copper-doped microstructured optical fiber: a potential selective ultraviolet radiation dosimeter
Published in Optics express (31-12-2012)“…We report the fabrication and characterization of a photonic crystal fiber (PCF) having a sol-gel core doped with ionic copper. Optical measurements…”
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3
Radiation Effects on Fiber Bragg Gratings: Vulnerability and Hardening Studies
Published in Sensors (Basel, Switzerland) (01-11-2022)“…Fiber Bragg gratings (FBGs) are point optical fiber sensors that allow the monitoring of a diversity of environmental parameters, e.g., temperature or strain…”
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4
Photobleaching Effect on the Sensitivity Calibration at 638 nm of a Phosphorus-Doped Single-Mode Optical Fiber Dosimeter
Published in Sensors (Basel, Switzerland) (27-08-2024)“…We investigated the influence of the photobleaching (PB) effect on the dosimetry performances of a phosphosilicate single-mode optical fiber (core diameter of…”
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5
Extreme Radiation Sensitivity of Ultra-Low Loss Pure-Silica-Core Optical Fibers at Low Dose Levels and Infrared Wavelengths
Published in Sensors (Basel, Switzerland) (17-12-2020)“…We report here the response of a commercial ultra-low loss (ULL) single-mode (SM) pure silica core (PSC) fiber, the Vascade EX1000 fiber from Corning,…”
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6
Effects of Measurement Temperature on Radioluminescence Processes in Cerium-Activated Silica Glasses for Dosimetry Applications
Published in Sensors (Basel, Switzerland) (16-05-2023)“…Cerium-doped-silica glasses are widely used as ionizing radiation sensing materials. However, their response needs to be characterized as a function of…”
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7
Coherent acoustic pulse emission by ensembles of plasmonic nanoparticles
Published in The European physical journal. ST, Special topics (01-09-2023)“…The ability of a layer of silver nanoparticles with broad size dispersion to excite coherent acoustic phonon wave-packet in its supporting glass substrate…”
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Radioluminescence Response of Ce-, Cu-, and Gd-Doped Silica Glasses for Dosimetry of Pulsed Electron Beams
Published in Sensors (Basel, Switzerland) (01-11-2021)“…Radiation-induced emission of doped sol-gel silica glass samples was investigated under a pulsed 20-MeV electron beam. The studied samples were drawn rods…”
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Monitoring of Ultra-High Dose Rate Pulsed X-ray Facilities with Radioluminescent Nitrogen-Doped Optical Fiber
Published in Sensors (Basel, Switzerland) (21-04-2022)“…We exploited the potential of radiation-induced emissions (RIEs) in the visible domain of a nitrogen-doped, silica-based, multimode optical fiber to monitor…”
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10
Properties of Gd-Doped Sol-Gel Silica Glass Radioluminescence under Electron Beams
Published in Sensors (Basel, Switzerland) (28-11-2022)“…The radiation-induced emission (RIE) of Gd -doped sol-gel silica glass has been shown to have suitable properties for use in the dosimetry of beams of ionizing…”
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11
France's State of the Art Distributed Optical Fibre Sensors Qualified for the Monitoring of the French Underground Repository for High Level and Intermediate Level Long Lived Radioactive Wastes
Published in Sensors (Basel, Switzerland) (13-06-2017)“…This paper presents the state of the art distributed sensing systems, based on optical fibres, developed and qualified for the French Cigéo project, the…”
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12
Atmospheric Neutron Monitoring through Optical Fiber-Based Sensing
Published in Sensors (Basel, Switzerland) (12-08-2020)“…The potential of fiber-based sensors to monitor the fluence of atmospheric neutrons is evaluated through accelerated tests at the TRIUMF Neutron Facility (TNF)…”
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13
Investigation of the Incorporation of Cerium Ions in MCVD-Silica Glass Preforms for Remote Optical Fiber Radiation Dosimetry
Published in Sensors (Basel, Switzerland) (12-05-2021)“…The incorporation of Ce3+ ions in silicate glasses is a crucial issue for luminescence-based sensing applications. In this article, we report on silica glass…”
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14
Distributed Optical Fiber-Based Radiation Detection Using an Ultra-Low-Loss Optical Fiber
Published in Radiation (Multidisciplinary Digital Publishing Institute) (30-05-2024)“…Simple SummaryDistributed optical fiber sensors based on reflectometry techniques are showing great promise to monitor the evolution of different environmental…”
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15
Impact of γ-rays Irradiation on Hybrid TiO2-SiO2 Sol-Gel Films Doped with RHODAMINE 6G
Published in Materials (02-10-2021)“…In the present paper, we investigate how the optical and structural properties, in particular the observed photoluminescence (PL) of photocurable and…”
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Cu/Ce-co-Doped Silica Glass as Radioluminescent Material for Ionizing Radiation Dosimetry
Published in Materials (08-06-2020)“…Optically activated glasses are essential to the development of new radiation detection systems. In this study, a bulk glassy rod co-doped with Cu and Ce ions,…”
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17
Combined Radiation and Temperature Effects on Brillouin-Based Optical Fiber Sensors
Published in Photonics (01-12-2023)“…The combined effects of temperature (from −80 °C to +80 °C) and 100 kV X-ray exposure (up to 108 kGy(SiO2)) on the physical properties of Brillouin scattering…”
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18
Steady γ-Ray Effects on the Performance of PPP-BOTDA and TW-COTDR Fiber Sensing
Published in Sensors (Basel, Switzerland) (17-02-2017)“…We investigated the evolution of the performances of Pulse Pre Pump-Brillouin Time Domain Analysis (PPP-BOTDA) and Tunable Wavelength Coherent Optical Time…”
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19
Comparison between the UV and X-ray Photosensitivities of Hybrid TiO2-SiO2 Thin Layers
Published in Materials (24-08-2020)“…The photo-induced effects on sol–gel-based organo TiO2-SiO2 thin layers deposited by the dip-coating technique have been investigated using two very different…”
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Experimental–Simulation Analysis of a Radiation Tolerant Erbium-Doped Fiber Amplifier for Space Applications
Published in Applied sciences (01-10-2023)“…Research on optical amplifiers has highlighted how ionizing radiation negatively impacts the performance of erbium-doped fiber amplifiers (EDFAs), through the…”
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