Abstract

Active and passive variants of La-containing tellurite glasses have been developed with matched refractive indices. The consequences of adding lanthanum to the glass was studied through measurements of the crystallization stability, glass viscosity and the loss of unstructured fibers. Doping the glass with erbium allowed for any spectroscopic changes to be observed through measurements of the absorption and energy level lifetimes. The fluorescence emission spectra were measured at 1.5 μm and, to the best of our knowledge, for the first time in tellurite glass at 2.7 μm.

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History
Original Manuscript: May 11, 2009
Manuscript Accepted: August 14, 2009
Revised Manuscript: August 12, 2009
Published: August 19, 2009

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Author Affiliations

Michael R. Oermann, Heike Ebendorff-Heidepriem, Yahua Li, Tze-Cheung Foo, Tanya M. Monro

Centre of Expertise in Photonics, School of Chemistry & Physics, University of Adelaide, Adelaide, SA 5005, Australia

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