Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
9586317 | Journal of Luminescence | 2005 | 8 Pages |
Abstract
Sm3+- and Eu3+-doped rare-earth borate glasses (Li2O-BaO-La2O3-B2O3) have been fabricated and characterized optically. The density, refractive index, optical absorption, Judd-Ofelt parameters, and spontaneous transition probabilities have been measured, calculated and analyzed. Sm3+ and Eu3+ emit intense reddish-orange and red lights under blue and UV light excitations, respectively. In Sm3+ and Eu3+ co-doped glasses, the excitation wavelength range of Eu3+ emission is broadened owing to the energy transfer from Sm3+ to Eu3+. This broadening makes the Ar+ 488Â nm wavelength laser a powerful excitation source for Eu3+ fluorescence. The rare-earth doped glasses with various visible emissions are useful for developing new color light sources, fluorescent display devices, UV-sensor and tunable visible lasers.
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Authors
Hai Lin, Dianlai Yang, Guishan Liu, Tiecheng Ma, Bin Zhai, Qingda An, Jiayou Yu, Xiaojun Wang, Xingren Liu, Edwin Yue-Bun Pun,