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Effects of annealing on luminescence efficiency of large-size YAG:Ce crystal grown by temperature gradient techniques |
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| Authors: | Dunhua Cao Guangjun Zhao Qin Dong Jianyu Chen Yan Cheng Yuchong Ding Jun Zou Key Laboratory of Material Science Technology for High Power Lasers |
| Affiliation: | Dunhua Cao~2,Guangjun Zhao~*,Qin Dong,Jianyu Chen Yan Cheng ~2,Yuchong Ding,, Jun Zou 1 Key Laboratory of Material Science , Technology for High Power Lasers,Shanghai Institute of Optics , Fine Mechanics,Shanghai 201800,China 2 Graduate University of the Chinese Academy of Science,Beijing 100049,China 3 Zhejiang Gemcore Technology Co.,Ltd,Wenzhou 325035,China 4 Wenzhou University,China |
| Abstract: | YAG:Ce crystal with a diameter of 110 mm is successfully grown by the temperature gradient technique (TGT).The effects of annealing on the luminescence efficiency of YAG:Ce crystal are investigated,and the optimal annealing temperature and atmosphere are obtained.The mechanism of variation behavior of the luminescence efficiency of YAG:Ce under different annealing conditions is discussed and some details on the luminescence associated with color centers are analyzed. |
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