He, Jing; Wang, Yun; Chiodini, Norberto; Steigenberger, Sebastian; Barua, Pranabesh; Beresna, Martynas; Brambilla, Gilberto. 2017 Enhanced ultraviolet photoluminescence in Gd3+-doped silica glass. In: 16th International Conference on Optical Communications and Networks, Wuzhen, China, 07 - 10 August 2017.
Abstract
Photoluminescence (PL) of Gd-doped silica in the ultraviolet (UV) is investigated. The strong emission detected at 314 nm is assigned to the 6P7/2 to 8S7/2 transition under excitation of 6DJ, 6IJ, and 6PJ energy levels of the Gd3+. After glass densified by rapid thermal treatment (RTT), significant enhanced luminescence and decreased loss covering the UV band are observed.
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