Growth and spectral properties of Tm/Er:NaGd(MoO4)2 single crystal |
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| Authors: | Zujian Wang Xiuzhi Li Mingjun Song Qian Wei Guofu Wang |
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| Institution: | a Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
b Graduate School of the Chinese Academy of Sciences, Beijing 100039, China |
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| Abstract: | The Tm3+/Er3+:NaGd(MoO4)2 crystal with dimensions of Φ22×30 mm3 was grown by Czochralski method. Polarized spectra and fluorescence lifetime for the 4I13/2(Er3+)→4I15/2(Er3+) transition at room temperature were investigated. Based on the Judd-Ofelt theory, the spontaneous transition probabilities, the fluorescent branching ratios and the radiative lifetimes were calculated. The fluorescence lifetime was measured to be 1.81 ms. The detailed excited-transition mechanism with 800 nm radiation is also discussed. |
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| Keywords: | 42 70 Hj 78 20 &minus e |
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