Explanipedia

Radiation Induced Attenuation of Space‐Grade Polarization‐Maintaining Optical Fibers in the UV–Visible Domains Open

Hugo Boiron, T. Villedieu, Mathieu Sylvain Bergont, Adriana Morana, Adrien Steib · 2025

We investigate the radiation‐induced attenuation (RIA) levels and kinetics in a Panda polarization‐maintaining optical fiber optimized to ensure single‐mode operation in the visible spectrum. The fiber was subjected to steady state X‐rays …

N-DOPED SILICA FIBERS FOR DOSIMETRY IN PROTON FLASH: THE EFFECT OF PRE-IRRADIATION Open

Cornelia Hoehr, C. Bélanger-Champagne, Samuel Usherovich, Adriana Morana, Sylvain Girard · 2025

Numerical and Experimental Study of Mode Coupling Due to Localised Few-Mode Fibre Bragg Gratings and a Spatial Mode Multiplexer Open

James Hainsworth, Adriana Morana, Lucas Lescure, Philippe Veyssiere, Sylvain Girard , et al. · 2025

Mode conversion effects in Fibre Bragg Gratings (FBGs) are widely exploited in applications such as sensing and fibre lasers. However, when FBGs are inscribed into Few-mode optical Fibres (FMFs), the mode interactions become highly complex…

Radiation-induced effects on commercial 3D printing materials exposed to high x-ray doses Open

Lorenzo Sostero, Matteo Ferrari, D. Pagano, Stefano Pandini, Chiara Pasini , et al. · 2025

Fused filament fabrication is among the most widely used 3D printing techniques, that allows to create complex devices from a continuous filament of a polymeric material. This adaptable technique has garnered considerable interest for the …

Effect of Rare-Earth Co-Doping on the Trap Level Concentrations in Silica Glasses: Experimental and Theoretical Study of the Light Emission Under X-Rays for Dosimetry Applications Open

Ismail Zghari, Hicham El Hamzaoui, Adriana Morana, Y. Ouerdane, Bruno Capoen , et al. · 2025

In this paper, an experimental and theoretical study was undertaken to assess the impact of rare-earth co-doping of silica glasses on the light emission under X-rays. To this aim, radioluminescence (RL), phosphorescence (PP), and thermolum…

Potential of radioluminescent silica-based optical fibers for 14 MeV neutron beam monitoring Open

Luca Weninger, Adriana Morana, A. Colangeli, Fiammetta Fricano, Youcef Ouerdane , et al. · 2025

International audience

Radiation vulnerability of optical fiber cables for underground nuclear waste monitoring Open

Jérémy Perrot, Adriana Morana, Emmanuel Marin, Y. Ouerdane, A. Boukenter , et al. · 2025

Online X-Ray Radiation Induced Attenuation of RPL Dosimeters: Dose Rate Dependence at High Doses Open

Aditya Raj, Matteo Ferrari, Ygor Quadros de Aguiar, Adriana Morana, Rubén García Alía , et al. · 2025

International audience

Combined theoretical and experimental study of luminescence in Gd<sup>3+</sup>-doped silica glass under ionizing radiation Open

Ismail Zghari, Adriana Morana, Hicham El Hamzaoui, Bruno Capoen, Andy Cassez , et al. · 2025

In the ionizing radiation dosimetry domain, there is still an important demand for a compact, reliable, and accurate sensor. Currently, among the dosimeters based on optical techniques, the fibered systems are the most promising solutions.…

Steady State Radiation Responses of Graded-Index Germanosilicate Multimode Optical Fibers Open

Roberto Pecorella, Adriana Morana, A. Boukenter, M. Cannas, Y. Ouerdane , et al. · 2025

Point by Point Inscribed Tilted Fibre Bragg Gratings Open

James Hainsworth, Adriana Morana, Meriem Kemel, M. Arnaud, Sylvain Girard , et al. · 2025

To the best of our knowledge the inscription of tilted fibre Bragg gratings via the point by point method, without beam shaping, has been demonstrated for the first time. Using two parallel inscribed FBGs we have been able to create claddi…

Overview of Radiation Effects on Silica-Based Optical Fibers and Fiber Sensors Open

Sylvain Girard, Jochen Kuhnhenn, A. Gusarov, Adriana Morana, Philippe Paillet , et al. · 2024

International audience

Sensitivity Enhancement of Tapered Cerium-Doped Optical Fibers for Dosimetry Applications Open

Fiammetta Fricano, Raffaele Vallifuoco, Damien Lambert, Adriana Morana, Philippe Paillet , et al. · 2024

International audience

Photobleaching Effect on the Sensitivity Calibration at 638 nm of a Phosphorus-Doped Single-Mode Optical Fiber Dosimeter Open

Fiammetta Fricano, Adriana Morana, M. Roche, Alberto Facchini, Gilles Mélin , et al. · 2024

We investigated the influence of the photobleaching (PB) effect on the dosimetry performances of a phosphosilicate single-mode optical fiber (core diameter of 6.6 µm) operated at 638 nm, within the framework of the LUMINA project. Differen…

Online and offline Radiation-Induced Attenuation measurements on FD-7 radiophotoluminescence dosimeters irradiated at high X-ray doses Open

Ali Hasan, Ygor Quadros de Aguiar, Rubén García Alía, Cosimo Campanella, Adriana Morana , et al. · 2024

Radiophotoluminescence (RPL) FD-7 glass dosimeters find applications in low to high dose radiation environments. This work presents an experimental characterization of RPL glass dosimeter, irradiated with 100 kV X-ray tubes at room tempera…

Distributed Optical Fiber-Based Radiation Detection Using an Ultra-Low-Loss Optical Fiber Open

Luca Weninger, Adriana Morana, Y. Ouerdane, Emmanuel Marin, A. Boukenter , et al. · 2024

The combination of an ultra-low-loss optical fiber sensitive to ionizing radiation and an optical time domain reflectometer (OTDR) is investigated to explore the feasibility of a single-ended distributed radiation detector. The peculiarity…

Comments by the Senior Editor Open

G.‐F. Dalla Betta, Adriana Morana, B. Obryk, Maria Grazia Pia, Sara Pozzi , et al. · 2024

The 8th edition of the International Conference on "Advancements in Nuclear Instrumentation Measurement Methods and their Applications" (ANIMMA) was held in Lucca, Italy, on June 12–16, 2023. The ANIMMA-2023 welcomed 403 attendees from 31 …

Simulation-Assisted Methodology for the Design of Fiber-Based Dosimeters for a Variety of Radiation Environments Open

Damien Lambert, Sylvain Girard, G. Santin, Marc Gaillardin, Adriana Morana , et al. · 2024

International audience

Radiation Monitoring With Radiosensitive Pure-Silica Core Ultralow Loss Optical Fiber Open

Luca Weninger, Adriana Morana, Cosimo Campanella, Jeoffray Vidalot, Emmanuel Marin , et al. · 2024

This article presents a new prospect for radiation detection exploiting the high radiation sensitivity of an ultralow-loss pure-silica core optical fiber (ULL-PSCF). This fiber exhibits very high transient X-ray radiation-induced attenuati…

Ce/Gd-Codoped Sol–Gel Silica Glasses: Toward Temperature-Independent Radiation Dosimeters Open

Ismail Zghari, Hicham El Hamzaoui, Adriana Morana, Y. Ouerdane, Bruno Capoen , et al. · 2024

International audience

63-MeV Proton Beam Profile Monitoring With Radioluminescent Ce-Doped Optical Fiber Sensor Open

Jeoffray Vidalot, Adriana Morana, Olivier Duhamel, Cornelia Hoehr, Hicham El Hamzaoui , et al. · 2023

International audience

Combined Radiation and Temperature Effects on Brillouin-Based Optical Fiber Sensors Open

Jérémy Perrot, Adriana Morana, Emmanuel Marin, Y. Ouerdane, A. Boukenter , et al. · 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 and losses in three differently doped silica-based optical fibers, with varying …

Experimental–Simulation Analysis of a Radiation Tolerant Erbium-Doped Fiber Amplifier for Space Applications Open

Alberto Facchini, Adriana Morana, Luciano Mescia, Cosimo Campanella, Md Mizan Kabir Shuvo , et al. · 2023

Research on optical amplifiers has highlighted how ionizing radiation negatively impacts the performance of erbium-doped fiber amplifiers (EDFAs), through the degradation of their gain. The amplitudes and kinetics of this degradation are m…

Influence of Adhesive Bonding on the Dynamic and Static Strain Transfers of Fibre Optic Sensors Open

Chloé Landreau, Adriana Morana, Nicolas Ponthus, Thomas Gall, Jacques Charvin , et al. · 2023

The influence of the bonding procedure (the adhesive type, application procedure, etc.) on the static and dynamic strain transfers of bonded optical fibre sensors is studied theoretically and experimentally at room temperature. The achieva…

Effects of Measurement Temperature on Radioluminescence Processes in Cerium-Activated Silica Glasses for Dosimetry Applications Open

Ismail Zghari, Hicham El Hamzaoui, Bruno Capoen, Franck Mady, Mourad Benabdesselam , et al. · 2023

Cerium-doped-silica glasses are widely used as ionizing radiation sensing materials. However, their response needs to be characterized as a function of measurement temperature for application in various environments, such as in vivo dosime…

Simulation and Optimization of Optical Fiber Irradiation with X-rays at Different Energies Open

Arnaud Meyer, Damien Lambert, Adriana Morana, Philippe Paillet, A. Boukenter , et al. · 2023

We investigated the influence of modifying the voltage of an X-ray tube with a tungsten anode between 30 kV and 225 kV, and therefore its photon energy spectrum (up to 225 keV), on the Total Ionizing Dose deposited in a single-mode, phosph…

Low radiation dose calibration and theoretical model of an optical fiber dosimeter for the International Space Station Open

Diego Di Francesca, N. Balcon, Pierrick Cheiney, Enrico Chesta, Florence Clement , et al. · 2023

The optical-fiber-based dosimeter of the LUMINA project was deployed in August 2021 in the International Space Station in the framework of the Alpha mission. The sensing elements of the dosimeter are P-doped optical fibers, which were prov…

Radioluminescence Processes in Cerium-Doped Silica Glasses Open

Ismail Zghari, Hicham El Hamzaoui, Bruno Capoen, Andy Cassez, Géraud Bouwmans , et al. · 2023

International audience

Radiation Induced Attenuation and Luminescence study in Radioluminescent Optical Fibres Open

Nourdine Kerboub, Diego Di Francesca, Adriana Morana, Hicham El Hamzaoui, Y. Ouerdane , et al. · 2023

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Radiation Induced Attenuation and Luminescence Study in Radioluminescent Optical Fibers Open

Nourdine Kerboub, Diego Di Francesca, Adriana Morana, Hicham El Hamzaoui, Y. Ouerdane , et al. · 2023

We present the experimental characterization of both radiation induced attenuation (RIA) and radioluminescence (RL) of differently doped optical fiber (OF) radiation sensors. We present data for different sample lengths and total ionizing …

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