Defect structure and optical damage resistance of In:Fe:Cu:LiNbO3 crystals

被引：3
|
作者：
Luo, Suhua [1 ]
Sun, Xiudong [1 ]
Shi, Hongxin [1 ]
Wang, Rui [2 ]
Xu, Yuheng [2 ]
机构：
[1] Harbin Inst Technol, Dept Phys, Harbin 150006, Peoples R China
[2] Harbin Inst Technol, Dept Appl Chem, Harbin 150006, Peoples R China
来源：
JOURNAL OF MODERN OPTICS | 2009年 / 56卷 / 01期
关键词：
defect structure; infrared absorption; optical damage resistance; In:Fe:Cu:LiNbO3 crystals; INCIDENT LIGHT-INTENSITY; LITHIUM-NIOBATE; INDUCED SCATTERING; NOISE-SUPPRESSION; LINBO3; GROWTH;
D O I：
10.1080/09500340802535076
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The threshold concentration for In3+ ions was found in In:Fe:Cu:LiNbO3 crystals by measurements of the infrared absorption spectra and the Curie temperature of the crystals. The optical damage resistance of In:Fe:Cu:LiNbO3 crystals was characterized by changes in light-induced birefringence as well as by distortion of the transmitted beam pattern. The resistance of In:Fe:Cu:LiNbO3 crystals to optical damage increases remarkably when the concentration of In3+ ions exceeds its threshold concentration. The resistance to optical damage of In(3.0 mol.%):Fe:Cu:LiNbO3 crystals is two orders of magnitude higher than that of Fe:Cu:LiNbO3 crystals. The change in light-induced birefringence also decreases with increasing concentration of In3+ ions. The dependence of the optical damage resistance on the defect structure of In:Fe:Cu:LiNbO3 crystals is discussed in detail.
引用
收藏
页码：115 / 119
页数：5
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