Abstract

In this paper, the glass forming region of TeO2–MoO3–Nb2O5(TMN) tellurite glass and the luminescence properties of Er3+ doped TMN glass at 2.7 μm were studied. The effects of MoO3 on the thermal and optical properties of the glass were analyzed. The formation region of TMN glass was predicted by thermodynamic method and verified by experiment. It can be found that the glass-forming ability, thermal and optical properties of TMN glass change significantly with the change of MoO3 content. The addition of MoO3 significantly improves the anti-crystallization stability, fluorescence lifetime and quantum efficiency of tellurite glass. The calculation results show that the quantum efficiency of 80TeO2–15MoO3–5Nb2O5–1Er2O3 glass sample is 16 %. These results indicate that TMN glass has a broad application prospect in mid-infrared laser materials.

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