Ge (2), Ge (1) and Ge-E′ centers in irradiated Ge-doped silica: a first-principles EPR study

L Giacomazzi, L Martin-Samos, A Boukenter… - Optical Materials …, 2015 - opg.optica.org
We present a first-principles investigation of Ge paramagnetic centers in Ge-doped vitreous
silica (v-SiO_2) based on calculations of the electron paramagnetic resonance (EPR) …

Study of Structural, Thermal, Optical, Mechanical, and Electrical characteristics of TeO2/SrO/SeO2/Tl2O/Al2O3 added Li2O-GeO2-SiO2 Glass Ceramics-feasible Solid …

S Suragani, KH Rao, LN Patro, C Tirupataiah - Ceramics International, 2025 - Elsevier
The synthesis of 25 Li 2 O–10 GeO 2–60 SiO 2–5 R (R= TeO 2, SrO, SeO 2, Tl 2 O, Al 2 O 3)
glasses was done by melt quenching technique. X-ray diffraction (XRD) studies confirmed …

Refractive index change dependence on Ge(1) defects in -irradiated Ge-doped silica

A Alessi, S Agnello, S Grandi, A Parlato… - Physical Review B …, 2009 - APS
We present an experimental study regarding the effects of the γ radiation on silica glass
doped with Ge up to 10 000 ppm molar produced by the sol-gel technique. We have …

Gamma and x-ray irradiation effects on different Ge and Ge/F doped optical fibers

A Alessi, S Girard, I Reghioua, M Fanetti… - Journal of Applied …, 2015 - pubs.aip.org
We performed electron paramagnetic resonance (EPR) measurements on γ and X ray
irradiated Ge doped and Ge/F co-doped optical fibers. We considered three different …

Effect of oxygen deficiency on the radiation sensitivity of sol-gel Ge-doped amorphous SiO2

S Agnello, A Alessi, FM Gelardi, R Boscaino… - The European Physical …, 2008 - Springer
We report experimental investigation by electron paramagnetic resonance (EPR)
measurements of room temperature γ-ray irradiation effects in sol-gel Ge doped amorphous …

Structural investigations of lead germanosilicate glasses doped with Nb2O5 by means of spectroscopic and dielectric studies

T Narendrudu, S Suresh, S Yusub, AS Kumar… - Journal of Molecular …, 2015 - Elsevier
The transparent glasses with composition 30PbO–10GeO 2–(60− x) SiO 2− xNb 2 O 5
(mol%)(0≤ x≤ 2.5) are prepared by conventional melt quenching technique. The …

Cathodoluminescence investigation of Ge-point defects in silica-based optical fibers

I Reghioua, S Girard, A Alessi, D Di Francesca… - Journal of …, 2016 - Elsevier
Cathodoluminescence (CL) measurements have been performed on Ge doped and Ge/F co-
doped optical fibers, in the aim of studying the spatial distributions of the emitting precursor …

Irradiation temperature influence on the in situ measured radiation induced attenuation of Ge-doped fibers

A Alessi, D Di Francesca, S Girard… - … on Nuclear Science, 2016 - ieeexplore.ieee.org
We report an experimental investigation on the radiation-induced attenuation (RIA) in the
ultraviolet-visible domain for Ge-doped optical fibers, during X-ray (10 keV) exposure at …

Temperature Dependence of Faraday Rotation of Glass Optical Fibers Doped with Quantum Dots of CdSe and CdMnTe

S Ju, Y Lee, YT Ryu, SG Kang, J Kim… - … status solidi (a), 2019 - Wiley Online Library
Specialty optical fibers incorporated with CdSe and CdMnTe quantum dots are fabricated
using the modified chemical vapor deposition and high temperature fiber drawing process …

Effect of irradiation temperature on the radiation induced attenuation of Ge-doped fibers

A Alessi, D Di Francesca, S Girard… - 2016 16th European …, 2016 - ieeexplore.ieee.org
The UV-visible radiation induced attenuation (RIA) was studied in Ge-doped optical fibers,
during X-ray (10 keV) irradiations at different temperatures. By comparing the spectra …