Use of CsCl to enhance the glass stability range of tellurite glasses for Er3+-doped optical fiber drawing

Carmen Rosa Eyzaguirre, Eugenio Rodriguez, Enver Fernandez Chillcce, Sérgio Paulo Amaral Osório, Carlos Lenz Cesar, Luiz Carlos Barbosa, Italo Odone Mazali, Oswaldo Luiz Alves

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

3 Citas (Scopus)

Resumen

Tellurite glasses are important as a host of Er3+ ions because of their good solubility and because they present broadband optical gain compared with Er3+-doped silica, with the potential to increase the bandwidth of communication systems. However, the small glass stability range (GSR) of tellurite glasses compromises the quality of the optical fibers. We show that the addition of CsCl to tellurite glasses can increase their GSR, making it easier to draw good-quality optical fibers. CsCl acts like a network modifier in glass systems, weakening the network by forming Te-Cl bonds. We show that the thermal expansion coefficient mismatch is in the right direction for optical fiber fabrication purposes and that the Bi2O3 content can be used to control the refractive index of clad and core glasses. Single-mode and multi-mode Er3+-doped optical fibers were produced by the rod-in-tube method using highly homogeneous TeO2-ZnO-Li2O-Bi2O3-CsCl glasses.

Idioma originalInglés
Páginas (desde-hasta)1822-1826
Número de páginas5
PublicaciónJournal of the American Ceramic Society
Volumen90
N.º6
DOI
EstadoPublicada - jun. 2007
Publicado de forma externa

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