Phase dependence of holographic sensitivity of photorefractive Cu:H:LiNbO3 waveguides

被引：3
作者：
Kostritskii, SM [1 ]
Korkishko, YN [1 ]
Fedorov, VA [1 ]
Alkaev, AN [1 ]
机构：
[1] Moscow Inst Elect Technol, Moscow 103498, Russia
来源：
OPTICS OF CRYSTALS | 2001年 / 4358卷
关键词：
photorefractivity; optical waveguides; lithium niobate; holographic recording;
D O I：
10.1117/12.418838
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The copper exchange effects in waveguides containing different HxLi1-xNbO3 phases are investigated. We have used x-ray diffraction, m-line spectroscopy, optical absorption spectroscopy in the visible, near UV and IR regions and holographic characterization methods. The crucial dependence of holographic sensitivity on phase composition has been found to be the specific feature of Cu:H:LiNbO3 waveguides. It is established, that the main peculiarities of optical and photorefractive properties are caused by simultaneous formation of Cu+ defects and (OH--Cu+) pair defects.
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页码：88 / 96
页数：9
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