UV photorefractive effect in Na+-doped lithium niobate crystals

被引：0
|
作者：
Qiao, HJ [1 ]
Xu, JJ [1 ]
Kong, YF [1 ]
Sun, Q [1 ]
Zhang, GY [1 ]
机构：
[1] Nankai Univ, Inst Phys, Photon Res Ctr, Tianjin 300071, Peoples R China
来源：
PHOTOREFRACTIVE EFFECTS, MATERIALS AND DEVICES, PROCEEDINGS | 2001年 / 62卷
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D O I：
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中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
We studied the UV photorefractive effect and other optical properties of Na+-doped lithium niobate crystals. The behavior of the photorefractive resistance-in Na+-doped lithium niobate crystals was found to be quite different from that in lithium niobate crystals doped with other well known optical-damage resistant metal ions, such as Mg2+, Zn2+, In3+ etc. It is also found that not only the defect structures but also the ratio of [Li]/[Nb] in our samples was changed by doping with Na+ ions. We theoretically analysed our experimental results, based on the Li-vacancy model.
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页码：490 / 495
页数：6
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