Investigating the glass structure of Yb 3+ /Al 3+ /P 5+ doped silica preforms prepared by suspension method

Owing to its capability to produce large volume of glass while preserving a high degree of purity and homogeneity, the suspension method was employed here to synthesize a Yb 3+ /Al 3+ /P 5+ doped silica preforms. The glass structure was studied by relying on both nuclear magnetic resonance (NMR) and...

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Bibliographic Details
Published in:Optical materials express 2023-11, Vol.13 (11), p.3309
Main Authors: Tiabi, Nadia, Dauliat, Romain, Auguste, Jean Louis, Vergnole, Sébastien, Florian, Pierre, Canizares, Aurélien, Duclere, Jean René, Wondraczek, Katrin, Roy, Philippe
Format: Article
Language:English
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Chemical Sciences
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Summary:Owing to its capability to produce large volume of glass while preserving a high degree of purity and homogeneity, the suspension method was employed here to synthesize a Yb 3+ /Al 3+ /P 5+ doped silica preforms. The glass structure was studied by relying on both nuclear magnetic resonance (NMR) and Raman spectroscopies, confirming the formation of Al(PO) 4 units. Thence, photoluminescence emission spectra were acquired, assessing the beneficial impact of the phosphorus addition in Yb/Al doped silica glass to curtail the Yb 2+ ions content. The results reported here suggest that alumino - phosphosilicate matrix having an equimolar concentration of Al 3+ /P 5+ co-dopants exhibits significantly weaker concentration in Yb 2+ ions than equivalent aluminosilicate matrix. This glass composition is thus shown relevant to look further on circumventing the photodarkening phenomenon occurring into fiber laser.
ISSN:2159-3930
2159-3930
DOI:10.1364/OME.501945