Effects of annealing on luminescence efficiency of large-size YAG:Ce crystal grown by temperature gradient techniques

Dunhua Cao; Guangjun Zhao; Qin Dong; Jianyu Chen; Yan Cheng; Yuchong Ding; Jun Zou

doi:10.3788/COL20100802.0199

Journals >Chinese Optics Letters >Volume 8 >Issue 2 >Page 199 > Article

Chinese Optics Letters
Vol. 8, Issue 2, 199 (2010)

Effects of annealing on luminescence efficiency of large-size YAG:Ce crystal grown by temperature gradient techniques

Dunhua Cao^1、2, Guangjun Zhao¹, Qin Dong^1、2, Jianyu Chen^1、2, Yan Cheng^1、2, Yuchong Ding^1、2, and Jun Zou^3、4

Author Affiliations

¹Key Laboratory of Material Science and Technology for High Power Lasers, Shanghai Institute of Optics and Fine Mechanics, Shanghai 201800, China

²Graduate University of the Chinese Academy of Science, Beijing 100049, China

³Zhejiang Gemcore Technology Co., Ltd, Wenzhou 325035, China

⁴Wenzhou University, Wenzhou 325035, China

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DOI: 10.3788/COL20100802.0199 Cite this Article Set citation alerts

Dunhua Cao, Guangjun Zhao, Qin Dong, Jianyu Chen, Yan Cheng, Yuchong Ding, Jun Zou. Effects of annealing on luminescence efficiency of large-size YAG:Ce crystal grown by temperature gradient techniques[J]. Chinese Optics Letters, 2010, 8(2): 199 Copy Citation Text

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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.

Keywords

160.5690 300.1030 300.2140 300.6560 YAG: Ce

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