Zobrazeno 1 - 10
of 361
pro vyhledávání: '"Youcef Ouerdane"'
Autor:
Luca Weninger, Adriana Morana, Youcef Ouerdane, Emmanuel Marin, Aziz Boukenter, Sylvain Girard
Publikováno v:
Radiation, Vol 4, Iss 2, Pp 167-182 (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 of the tes
Externí odkaz:
https://doaj.org/article/c1ff0da165344c7b81f7c62a7d485371
Autor:
Fiammetta Fricano, Adriana Morana, Martin Roche, Alberto Facchini, Gilles Mélin, Florence Clément, Nicolas Balcon, Julien Mekki, Emmanuel Marin, Youcef Ouerdane, Aziz Boukenter, Thierry Robin, Sylvain Girard
Publikováno v:
Sensors, Vol 24, Iss 17, p 5547 (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. Different irradiat
Externí odkaz:
https://doaj.org/article/ac9f514a7cb74f3e8d4e1eb4dcdf5f1f
Autor:
Jérémy Perrot, Adriana Morana, Emmanuel Marin, Youcef Ouerdane, Aziz Boukenter, Johan Bertrand, Sylvain Girard
Publikováno v:
Photonics, Vol 10, Iss 12, p 1349 (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 dopant
Externí odkaz:
https://doaj.org/article/72e4de9ddb06416d94490acd5f33ea26
Autor:
Alberto Facchini, Adriana Morana, Luciano Mescia, Cosimo Campanella, Md Mizan Kabir Shuvo, Thierry Robin, Emmanuel Marin, Youcef Ouerdane, Aziz Boukenter, Sylvain Girard
Publikováno v:
Applied Sciences, Vol 13, Iss 20, p 11589 (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 mainly expla
Externí odkaz:
https://doaj.org/article/ede50ee6111b40da8ba862e903ec7630
Autor:
Jeoffray Vidalot, Adriana Morana, Hicham El Hamzaoui, Aziz Boukenter, Geraud Bouwmans, Andy Cassez, Bruno Capoen, Youcef Ouerdane, Marc Gaillardin, Mohamed Bouazaoui, Sylvain Girard, Philippe Paillet
Publikováno v:
Radiation, Vol 2, Iss 1, Pp 17-32 (2021)
We investigated in this work the radioluminescence properties of a Ce-doped multimode silica-based optical fiber (core diameter of 50 µm) manufactured by the sol–gel technique when exposed to the high-energy X-rays (~600 keV) of the ORIATRON facil
Externí odkaz:
https://doaj.org/article/05b6cfd2cb914ba78a4a1ef265243b68
Autor:
Sylvain Girard, Adriana Morana, Vincenzo De Michele, Cosimo Campanella, Jeoffray Vidalot, Emmanuel Marin, Aziz Boukenter, Philippe Paillet, Youcef Ouerdane
Publikováno v:
Optical Materials: X, Vol 16, Iss , Pp 100191- (2022)
–We investigated the origins of the steady state X-ray radiation-induced attenuation (RIA) in the visible to infrared spectral domains of an ultra-low loss Telecom-grade single-mode optical fiber. This pure-silica core optical fiber presents very h
Externí odkaz:
https://doaj.org/article/f134bc75679441c2b45274809a7c4dfe
Autor:
Ismail Zghari, Hicham El Hamzaoui, Bruno Capoen, Franck Mady, Mourad Benabdesselam, Géraud Bouwmans, Damien Labat, Youcef Ouerdane, Adriana Morana, Sylvain Girard, Aziz Boukenter, Mohamed Bouazaoui
Publikováno v:
Sensors, Vol 23, Iss 10, p 4785 (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 dosimetry, space
Externí odkaz:
https://doaj.org/article/6a8ae0203431448686918d0d49170b43
Autor:
Daniel Söderström, Oskari Timonen, Heikki Kettunen, Risto Kronholm, Hicham El Hamzaoui, Bruno Capoen, Youcef Ouerdane, Adriana Morana, Arto Javanainen, Géraud Bouwmans, Mohamed Bouazaoui, Sylvain Girard
Publikováno v:
Sensors, Vol 22, Iss 23, p 9248 (2022)
The radiation-induced emission (RIE) of Gd3+-doped sol–gel silica glass has been shown to have suitable properties for use in the dosimetry of beams of ionizing radiation in applications such as radiotherapy. Linear electron accelerators are common
Externí odkaz:
https://doaj.org/article/083059e13cbf48638aa5a1df961c9fab
Autor:
Adriana Morana, Emmanuel Marin, Laurent Lablonde, Thomas Blanchet, Thierry Robin, Guy Cheymol, Guillaume Laffont, Aziz Boukenter, Youcef Ouerdane, Sylvain Girard
Publikováno v:
Sensors, Vol 22, Iss 21, p 8175 (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. Several research groups have studied radiation effects on the grating response, as they are
Externí odkaz:
https://doaj.org/article/064a2f6a17324ad597132d6cce410927
Autor:
Imène Reghioua, Mattia Fanetti, Sylvain Girard, Diego Di Francesca, Simonpietro Agnello, Layla Martin-Samos, Marco Cannas, Matjaz Valant, Melanie Raine, Marc Gaillardin, Nicolas Richard, Philippe Paillet, Aziz Boukenter, Youcef Ouerdane, Antonino Alessi
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 10, Iss 1, Pp 211-221 (2019)
We report an experimental study demonstrating the feasibility to produce both pure and Ge-doped silica nanoparticles (size ranging from tens up to hundreds of nanometers) using nanosecond pulsed KrF laser ablation of bulk glass. In particular, pure s
Externí odkaz:
https://doaj.org/article/ee6bfe1515204b5d8a6c80d498bc5848