Recent advances in radiation-hardened fiber-based technologies for space applications

S Girard, A Morana, A Ladaci, T Robin, L Mescia… - Journal of …, 2018 - iopscience.iop.org
In this topical review, the recent progress on radiation-hardened fiber-based technologies is
detailed, focusing on examples for space applications. In the first part of the review, we …

Intrinsic point defects in silica for fiber optics applications

GM Lo Piccolo, M Cannas, S Agnello - Materials, 2021 - mdpi.com
Due to its unique properties, amorphous silicon dioxide (a-SiO2) or silica is a key material in
many technological fields, such as high-power laser systems, telecommunications, and fiber …

Combined high dose and temperature radiation effects on multimode silica-based optical fibers

S Girard, C Marcandella, A Morana… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
We investigate the response of Ge-doped, P-doped, pure-silica, or Fluorine-doped fibers to
extreme environments combining doses up to MGy (SiO 2) level of 10 keV X-rays and …

Raman and IR investigation of silica nanoparticles structure

A Alessi, S Agnello, G Buscarino, FM Gelardi - Journal of non-crystalline …, 2013 - Elsevier
In the present investigation we report experimental data regarding the Raman and Infra-Red
(IR) absorption activities of commercial silica nanoparticles. We compared the data of the …

[HTML][HTML] How fluorine minimizes density fluctuations of silica glass: Molecular dynamics study with machine-learning assisted force-matching potential

S Urata, N Nakamura, K Aiba, T Tada, H Hosono - Materials & Design, 2021 - Elsevier
Transparent silica glass is an indispensable material for today's information technology
society as an ultra-low loss optical fiber. Recently, further low-loss optical fibers are …

Origins of radiation-induced attenuation in pure-silica-core and Ge-doped optical fibers under pulsed x-ray irradiation

V De Michele, C Marcandella, J Vidalot… - Journal of Applied …, 2020 - pubs.aip.org
We investigated the nature, optical properties, and decay kinetics of point defects causing
large transient attenuation increase observed in silica-based optical fibers exposed to short …

Vitrified municipal waste for the immobilization of radioactive waste: preparation and characterization of borosilicate glasses modified with metal oxides

EM Abou Hussein - Silicon, 2019 - Springer
Municipal solid waste is used as a raw material for the production of borosilicate glasses by
melting annealing technique. Many chemical and physical measurements are studied to test …

Transient radiation responses of optical fibers: influence of MCVD process parameters

S Girard, C Marcandella, A Alessi… - … on Nuclear Science, 2013 - ieeexplore.ieee.org
A dedicated set of fibers elaborated via the Modified Chemical Vapor Deposition (MCVD)
technique is used to study the influence of composition and drawing parameters on their …

Cerium-activated sol–gel silica glasses for radiation dosimetry in harsh environment

H El Hamzaoui, B Capoen, N Al Helou… - Materials Research …, 2016 - iopscience.iop.org
Cerium-doped silica glass has been prepared for ionizing radiation dosimetry applications,
using the sol–gel route and densification under different atmospheres. In comparison with …

CuO reinforced lithium-borate glasses: fabrication, structure, physical properties, and ionizing radiation shielding competence

EMA Hussein, FI El-Agawany, YS Rammah - Journal of the Australian …, 2022 - Springer
Three glass systems of Cu 2+ ions doped lithium-borate with the composition of 56B 2 O 3+
25Li 2 O+ 10Na 2 O+ 5CaO+ 2SrO+ 2Al 2 O 3+ 0.5 TeO 2+ x CuO, where x= 0.0, 0.2, and …