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Defects induced in Yb3+/Ce3+ co-doped aluminosilicate fiber glass preforms under UV and γ-ray irradiation

Mario Chiesa, Kent Mattsson, Stefano Taccheo Orcid Logo, Thierry Robin, Laurent Lablonde, David Mechin, Daniel Milanese

Journal of Non-Crystalline Solids, Volume: 403, Pages: 97 - 101

Swansea University Author: Stefano Taccheo Orcid Logo

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DOI (Published version): 10.1016/j.jnoncrysol.2014.07.011

Abstract

A set of Ce-/Yb-co-doped silica optical fiber preform cores, differing in terms of dopant concentrations are studied by Electron Paramagnetic Resonance (EPR) spectroscopy before and after irradiation of the samples with excimer UV laser light and γ-rays. Evidence of Yb3 + clustering in the case of h...

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Published in: Journal of Non-Crystalline Solids
ISSN: 0022-3093
Published: 2014
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URI: https://cronfa.swan.ac.uk/Record/cronfa21337
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first_indexed 2015-05-13T02:11:57Z
last_indexed 2019-04-04T15:49:43Z
id cronfa21337
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spelling 2019-04-04T14:53:34.3070619 v2 21337 2015-05-12 Defects induced in Yb3+/Ce3+ co-doped aluminosilicate fiber glass preforms under UV and γ-ray irradiation ab5f951bdf448ec045d42a35d95dc0bf 0000-0003-0578-0563 Stefano Taccheo Stefano Taccheo true false 2015-05-12 MECH A set of Ce-/Yb-co-doped silica optical fiber preform cores, differing in terms of dopant concentrations are studied by Electron Paramagnetic Resonance (EPR) spectroscopy before and after irradiation of the samples with excimer UV laser light and γ-rays. Evidence of Yb3 + clustering in the case of high Yb content samples is observed on as prepared samples regardless of the presence of Ce3 + ions. Si-E′ and Al-OHC centers were identified upon photon irradiation. The results are correlated to the micro-structural origin of the photodarkening process occurring in Ce–Yb doped glass fibers. Journal Article Journal of Non-Crystalline Solids 403 97 101 0022-3093 1 11 2014 2014-11-01 10.1016/j.jnoncrysol.2014.07.011 COLLEGE NANME Mechanical Engineering COLLEGE CODE MECH Swansea University 2019-04-04T14:53:34.3070619 2015-05-12T15:57:19.7370206 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Mario Chiesa 1 Kent Mattsson 2 Stefano Taccheo 0000-0003-0578-0563 3 Thierry Robin 4 Laurent Lablonde 5 David Mechin 6 Daniel Milanese 7
title Defects induced in Yb3+/Ce3+ co-doped aluminosilicate fiber glass preforms under UV and γ-ray irradiation
spellingShingle Defects induced in Yb3+/Ce3+ co-doped aluminosilicate fiber glass preforms under UV and γ-ray irradiation
Stefano Taccheo
title_short Defects induced in Yb3+/Ce3+ co-doped aluminosilicate fiber glass preforms under UV and γ-ray irradiation
title_full Defects induced in Yb3+/Ce3+ co-doped aluminosilicate fiber glass preforms under UV and γ-ray irradiation
title_fullStr Defects induced in Yb3+/Ce3+ co-doped aluminosilicate fiber glass preforms under UV and γ-ray irradiation
title_full_unstemmed Defects induced in Yb3+/Ce3+ co-doped aluminosilicate fiber glass preforms under UV and γ-ray irradiation
title_sort Defects induced in Yb3+/Ce3+ co-doped aluminosilicate fiber glass preforms under UV and γ-ray irradiation
author_id_str_mv ab5f951bdf448ec045d42a35d95dc0bf
author_id_fullname_str_mv ab5f951bdf448ec045d42a35d95dc0bf_***_Stefano Taccheo
author Stefano Taccheo
author2 Mario Chiesa
Kent Mattsson
Stefano Taccheo
Thierry Robin
Laurent Lablonde
David Mechin
Daniel Milanese
format Journal article
container_title Journal of Non-Crystalline Solids
container_volume 403
container_start_page 97
publishDate 2014
institution Swansea University
issn 0022-3093
doi_str_mv 10.1016/j.jnoncrysol.2014.07.011
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering
document_store_str 0
active_str 0
description A set of Ce-/Yb-co-doped silica optical fiber preform cores, differing in terms of dopant concentrations are studied by Electron Paramagnetic Resonance (EPR) spectroscopy before and after irradiation of the samples with excimer UV laser light and γ-rays. Evidence of Yb3 + clustering in the case of high Yb content samples is observed on as prepared samples regardless of the presence of Ce3 + ions. Si-E′ and Al-OHC centers were identified upon photon irradiation. The results are correlated to the micro-structural origin of the photodarkening process occurring in Ce–Yb doped glass fibers.
published_date 2014-11-01T03:25:17Z
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score 11.012678

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