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Fluoride-sulfophosphate glasses as hosts for broadband optical amplification through transition metal activators
Unusually stable multi-anion glasses of the fluoride-sulfophosphate type (FPS) are introduced as a new host material for optically active cation species. Despite a notoriously low polymerization grade, anion mixing in this glass system enables facile manufacture of bulk or fiber devices which combin...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Royal Society of Chemistry
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5735363/ https://www.ncbi.nlm.nih.gov/pubmed/29308205 http://dx.doi.org/10.1039/c7tc01853c |
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author | Wang, W. C. Le, Q. H. Zhang, Q. Y. Wondraczek, L. |
author_facet | Wang, W. C. Le, Q. H. Zhang, Q. Y. Wondraczek, L. |
author_sort | Wang, W. C. |
collection | PubMed |
description | Unusually stable multi-anion glasses of the fluoride-sulfophosphate type (FPS) are introduced as a new host material for optically active cation species. Despite a notoriously low polymerization grade, anion mixing in this glass system enables facile manufacture of bulk or fiber devices which combine several advantages of fluoride and phosphate glasses while using the stabilizing effect of sulfate additions. Using the example of chromium doping, we demonstrate broad red photoluminescence at 734 nm and inhomogeneous broadening of the R-line at 694 nm, originating from the (4)T(2) → (4)A(2) and (2)E → (4)A(2) transitions of Cr(3+), respectively. The luminescence mechanism is further analyzed on the basis of the corresponding Tanabe–Sugano diagram. Tailored through chemical composition, internally nucleated precipitation of a nanocrystalline fluoride phase enables switching between high-field and low-field configurations of the Cr(3+) ion, resulting in the specific emission properties and setting the path towards FPS-based optical devices. |
format | Online Article Text |
id | pubmed-5735363 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2017 |
publisher | Royal Society of Chemistry |
record_format | MEDLINE/PubMed |
spelling | pubmed-57353632018-01-05 Fluoride-sulfophosphate glasses as hosts for broadband optical amplification through transition metal activators Wang, W. C. Le, Q. H. Zhang, Q. Y. Wondraczek, L. J Mater Chem C Mater Opt Electron Devices Chemistry Unusually stable multi-anion glasses of the fluoride-sulfophosphate type (FPS) are introduced as a new host material for optically active cation species. Despite a notoriously low polymerization grade, anion mixing in this glass system enables facile manufacture of bulk or fiber devices which combine several advantages of fluoride and phosphate glasses while using the stabilizing effect of sulfate additions. Using the example of chromium doping, we demonstrate broad red photoluminescence at 734 nm and inhomogeneous broadening of the R-line at 694 nm, originating from the (4)T(2) → (4)A(2) and (2)E → (4)A(2) transitions of Cr(3+), respectively. The luminescence mechanism is further analyzed on the basis of the corresponding Tanabe–Sugano diagram. Tailored through chemical composition, internally nucleated precipitation of a nanocrystalline fluoride phase enables switching between high-field and low-field configurations of the Cr(3+) ion, resulting in the specific emission properties and setting the path towards FPS-based optical devices. Royal Society of Chemistry 2017-08-21 2017-06-27 /pmc/articles/PMC5735363/ /pubmed/29308205 http://dx.doi.org/10.1039/c7tc01853c Text en This journal is © The Royal Society of Chemistry 2017 http://creativecommons.org/licenses/by-nc/3.0/ This article is freely available. This article is licensed under a Creative Commons Attribution Non Commercial 3.0 Unported Licence (CC BY-NC 3.0) |
spellingShingle | Chemistry Wang, W. C. Le, Q. H. Zhang, Q. Y. Wondraczek, L. Fluoride-sulfophosphate glasses as hosts for broadband optical amplification through transition metal activators |
title | Fluoride-sulfophosphate glasses as hosts for broadband optical amplification through transition metal activators
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title_full | Fluoride-sulfophosphate glasses as hosts for broadband optical amplification through transition metal activators
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title_fullStr | Fluoride-sulfophosphate glasses as hosts for broadband optical amplification through transition metal activators
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title_full_unstemmed | Fluoride-sulfophosphate glasses as hosts for broadband optical amplification through transition metal activators
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title_short | Fluoride-sulfophosphate glasses as hosts for broadband optical amplification through transition metal activators
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title_sort | fluoride-sulfophosphate glasses as hosts for broadband optical amplification through transition metal activators |
topic | Chemistry |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5735363/ https://www.ncbi.nlm.nih.gov/pubmed/29308205 http://dx.doi.org/10.1039/c7tc01853c |
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