Luminescence Properties of Er³⁺/Tm³⁺-Doped Ga₂O₃-Bi₂O₃-PbO-GeO₂ System Glasses

Abstract:

The visible and near infrared emission spectra of Er³⁺/Tm³⁺-doped Ga₂O₃-Bi₂O₃-PbO-GeO₂ (GBPG) glasses excited at 808 nm are experimentally investigated. The results reveal that 1.53 µm emission were enhanced with an increase of Er³⁺ concentration. Furthermore, the incorporation of Er³⁺ into Tm³⁺-doped systems has also resulted in intense 522, 545 and 693nm upconversion emission intensity and an weak 660 nm red emission. The possible mechanism and related discussions on this phenomenon have been presented. The results show that Er³⁺/Tm³⁺-codoped GBPG glass may be a promising materials for developing laser and fiber optical devices.

• Periodical: Advanced Materials Research (Volumes 399-401)
• Pages: 982-986
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.399-401.982
• Online since: November 2011
• Authors: Jin Liu, Dong Mei Shi, Ying Gang Zhao, Xiao Feng Wang
• Keywords: Energy Transfer, Er³⁺/Tm³⁺, Luminescence, Spectroscopic Properties

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