D Yin, Y Qi, S Peng, S Zheng, F Chen, G Yang… - Journal of …, 2014 - Elsevier
Abstract The Er 3+/Tm 3+ codoped WO 3 modified tellurite glasses with molar composition of
(75− x) TeO 2–20ZnO–5Na 2 O–xWO 3–0.2 wt% Er 2 O 3–0.8 wt% Tm 2 O 3 (x= 0, 4, 8, 12 …