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Proceedings Paper

Novel ER3+ doped tellurite glass-ceramics
Author(s): M. Guidat; A. Veber; L. Petit
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Paper Abstract

Er3+ doped tellurite-based glasses were prepared using standard melting process and their physical, optical, thermal, optical and luminescence properties were measured and compared. We found that the addition of Na2O in the TeO2-ZnO system leads to higher emission at 1.5μm as compared to the addition of TeO2, Bi2O3, BaO, Nb2O5. We found that Bi2O3 should be used in order to increase the intensity of the upconversion under 976 nm excitation. The glasses were heat treated in order to grow crystals in these glasses. Surface crystallization occurred upon heat treatment with the precipitation of multiple crystals, the composition of which depends on the glass composition. The heat treatment was found to have no impact on the intensity of the emission at 1.5 μm. However, it increases the intensity of the red upconversion, especially for Bi2O3 containing glass.

Paper Details

Date Published: 1 April 2020
PDF: 7 pages
Proc. SPIE 11357, Fiber Lasers and Glass Photonics: Materials through Applications II, 1135708 (1 April 2020); doi: 10.1117/12.2555326
Show Author Affiliations
M. Guidat, Tampere Univ. (Finland)
A. Veber, Tampere Univ. (Finland)
L. Petit, Tampere Univ. (Finland)


Published in SPIE Proceedings Vol. 11357:
Fiber Lasers and Glass Photonics: Materials through Applications II
Maurizio Ferrari; Jacob I. Mackenzie; Stefano Taccheo, Editor(s)

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