Spectroscopic properties of Tm:TeO PbF glasses (original) (raw)

Journal of Luminescence, 2006

Abstract

We investigated the near-infrared luminescence characteristics as a function of glass composition and Tm3+ ion concentration in a new type of Tm3+-doped tellurite glass: (1−x)TeO2–(x)PbF2. In the experiments, absorption measurements were first performed to determine the spontaneous emission probabilities and the radiative lifetimes for the 4f–4f transitions of the Tm3+ ions by using the Judd–Ofelt theory. Luminescence measurements show that

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