Colour centres involved in radiation-induced losses of erbium-doped aluminosilicate optical fibres
Résumé
In this paper we report results of thermal anneal study to investigate the correlation between radiation effects on erbium-doped aluminosilicate fibres made by MCVD and the increase of the optical absorption of AlE' and NBOHC centres. Thermolumiscence and absorption measurements in the UV-Visible and NIR domains clearly show that Er 3+ ions are involved in this optical absorption behaviour.
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