Spectroscopic properties of Tm3+/Ho3+ co-doped NaLa(WO4)2 single crystal |
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| Authors: | Chengli Sun Fugui Yang Chaoyang Tu |
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| Affiliation: | 1. Key Laboratory of Optoelectronic Materials Chemistry and Physics of CAS, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou City, Fujian Province,350002, People''s Republic of China;2. Graduate School of Chinese Academy of Sciences, Beijing 100039, People''s Republic of China |
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| Abstract: | Tm3+/Ho3+ co-doped NaLa(WO4)2 single crystal was successfully grown by the Czochralski method. The crystal was characterized by room temperature absorption spectra, fluorescence spectra around 2 μm, up-conversion fluorescence and luminescence decay measurements. Spectroscopic properties related to the laser operation around 2 μm of Ho3+ ions have been evaluated. The energy level scheme and energy transfer processes of Tm3+ and Ho3+ were analyzed. The obtained spectroscopic results show the crystal is a potentially host for Ho3+ 2 μm infrared laser. |
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