supported by the National Natural Science Foundation of China(Nos.51272262 and 50911140475);the Ministry of Science and Technology of China(MOST)
Yb^3+ singly doped and Yb^3+/Al^3+co-doped high silica glass samples are prepared, and their luminescent properties are investigated. Al^3+ is considered as a beneficial activator for Yb^3+-doped glass. However, ...