Index matching between passive and active tellurite glasses for use in microstructured fiber lasers: Erbium doped lanthanum-tellurite glass
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Date
2009
Authors
Oermann, M.
Ebendorff-Heidepriem, H.
Li, Y.
Foo, H.
Monro, T.
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Optics Express, 2009; 17(18):15578-15584
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Michael R. Oermann, Heike Ebendorff-Heidepriem, Yahua Li, Tze-Cheung Foo, and Tanya M. Monro
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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 microm and, to the best of our knowledge, for the first time in tellurite glass at 2.7 microm.
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© 2009 OSA