Fiche publication
Date publication
février 2022
Journal
Materials (Basel, Switzerland)
Auteurs
Membres identifiés du Cancéropôle Est :
Pr SMEKTALA Frédéric
Tous les auteurs :
Strutynski C, Evrard M, Le Gendre A, Maldonado A, Désévédavy F, Gadret G, Jules JC, Smektala F
Lien Pubmed
Résumé
Glasses in the TeO-ZnO-YO (TZY) ternary system are examined in the present work. The vitrification domain of the chosen oxide matrix is determined and differential scanning calorimetry as well as X-ray diffraction measurements are carried out. The material characterizations reveal that YO incorporation cannot exceed 5 mol.% without causing detrimental crystallization within the glass. Optical transmission and refractive index investigations are conducted on compositions yielding fully amorphous samples. Next, the fiber drawing ability of selected yttrium-containing zinc-tellurite glasses is assessed and fiber-attenuation measurements in the mid-infrared are presented. Finally, a multimode step-index fiber is fabricated by combining a TZY cladding glass with a LaO-based tellurite core glass. It is believed that yttrium-containing glasses could prove useful in association with other high glass transition temperature (>300 °C) TeO-based materials for the design of robust optical fibers with precisely engineered refractive index profiles.
Mots clés
infrared, optical fibers, oxide glass, tellurite
Référence
Materials (Basel). 2022 02 3;15(3):
