Photorefraction Resistance of Na2 O-Doped Lithium Niobate Single Crystals
KONG Yong-fa1,2 , WEN Jin-ke1 , YANG Zheng-fang2
1 Department of Physics, Nankai University, Tianjin 300071
2 Department of Materials Science and Engineering, Tianjin University, Tianjin 300072
Photorefraction Resistance of Na2 O-Doped Lithium Niobate Single Crystals
KONG Yong-fa1,2 ;WEN Jin-ke1 ;YANG Zheng-fang2
1 Department of Physics, Nankai University, Tianjin 300071
2 Department of Materials Science and Engineering, Tianjin University, Tianjin 300072
关键词 ：
79.20.Ds ,
72.40.+w ,
78.20.Dj
Abstract ： Na2 O-doped (up to 3mol% Na in the melt) LiNbO3 crystals have been grown by the Czochraski method. The experimental results show that Na2 O dopants can increase the ability of LiNbO3 to resist light-induced optical damage, but the photorefraction of LiNbO3 : Na(3 mol%) is larger than that of LiNbO3 : Na (1 mol%) and the absorption edge of the former crystal has a longer wavelength compared with that of the latter. These two abnormal phenomena were interpreted as that some ilmenite structure (NaNbO3 ) regions are formed in doped LiNbO3 crystals with the increasing dopant concentration of Na2 O.
Key words ：
79.20.Ds
72.40.+w
78.20.Dj
出版日期: 1997-08-01
引用本文:
KONG Yong-fa;WEN Jin-ke;YANG Zheng-fang. Photorefraction Resistance of Na2 O-Doped Lithium Niobate Single Crystals[J]. 中国物理快报, 1997, 14(8): 629-632.
2 O-Doped Lithium Niobate Single Crystals. Chin. Phys. Lett., 1997, 14(8): 629-632.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1997/V14/I8/629
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1997, Vol. 14 
