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Study on the optical properties and broad infrared luminescence of Tm3+/Yb3+ co-doped Nb2O5-based glasses
Zhang, Minghui; Wen, Haiqin; Pan, Xiuhong; Tang, Meibo; Ai, Fei
2019-08-01
Source PublicationOPTICAL MATERIALS EXPRESS
ISSN2159-3930
Volume9Issue:8Pages:3238
SubtypeArticle
AbstractRaman spectra of Tm3+/Yb3+ co-doped Nb2O5-based glasses with different Yb3+ concentrations have been studied. The results reveal that Yb3+ ions have no effect on the maximum phonon energy. Moreover, this heavy-metal oxide glass has low phonon energy with a value of similar to 800 cm(-1), which is very helpful to obtain strong infrared luminescence. The absorption coefficient of OH- group is small, which is helpful for infrared luminescence. Nb2O5-based glasses have a high refractive index with the n(d) value over 2. Yb3+ is not good for the refractive properties on the whole. The abbe number can be calculated by using characteristic values. All the glasses with different Yb3+ concentrations show high a Abbe number with the value over 16. Nb2O5-based glasses perform excellent optical properties that satisfy well the requirements of commercial glasses. The amorphous phase is confirmed by XRD and SEM images. Additionally, EDS results indicate the homogeneous distribution of compositions in the glass. A broad and strong near infrared emission centered at similar to 1850nm ascribed to 3F(4)-> 3H(6) is obtained from Tm3+/Yb3+ co-doped Nb2O5-based glasses at 980 nm excitation. The emission intensity first increases and then decreases with Yb3+. When y = 0.03, the emission is the strongest. The luminescence process is the energy transfer from Yb3+ to Tm3+. The lifetime of the excited state for Tm3+/Yb3+ co-doped Nb2O5-based glasses (y = 0.03) is calculated to be 2.292 ms. Such long lifetime is very favorable to get strong luminescence. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
DOI10.1364/OME.9.003238
Language英语
WOS Research AreaMaterials Science ; Optics
PublisherOPTICAL SOC AMER
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26937
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Zhang, Minghui,Wen, Haiqin,Pan, Xiuhong,et al. Study on the optical properties and broad infrared luminescence of Tm3+/Yb3+ co-doped Nb2O5-based glasses[J]. OPTICAL MATERIALS EXPRESS,2019,9(8):3238.
APA Zhang, Minghui,Wen, Haiqin,Pan, Xiuhong,Tang, Meibo,&Ai, Fei.(2019).Study on the optical properties and broad infrared luminescence of Tm3+/Yb3+ co-doped Nb2O5-based glasses.OPTICAL MATERIALS EXPRESS,9(8),3238.
MLA Zhang, Minghui,et al."Study on the optical properties and broad infrared luminescence of Tm3+/Yb3+ co-doped Nb2O5-based glasses".OPTICAL MATERIALS EXPRESS 9.8(2019):3238.
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