Holographic properties of doubly doped lithium niobate crystals with Indium

被引：0
|
作者：
He, QS [1 ]
Guo, YB [1 ]
Liao, Y [1 ]
Cao, LC [1 ]
Liu, GD [1 ]
Jin, GF [1 ]
机构：
[1] Tsinghua Univ, State Key Lab Precis Measurement Technol & Instru, Beijing 100084, Peoples R China
来源：
HOLOGRAPHY, DIFFRACTIVE OPTICS, AND APPLICATIONS II, PTS 1 AND 2 | 2005年 / 5636卷
关键词：
holographic properties; LiNbO3 : In; Fe crystal; Mn crystal; holographic memories;
D O I：
10.1117/12.580933
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The holographic properties of doubly doped lithium niobate crystals with Indium have been investigated. It is found that doping slight Indium concentration (0.5mol%) in ENW3:In, Fe crystal can efficiently increase the sensitivity with small dynamic range changing. To improve the whole holographic properties of LiNbO3 crystal, LiNbO3:In, Fe with ideal doping concentrations and a new photorefractive material LiNbO3:In, Mn have been proposed and achieved larger dynamic range, higher sensitivity and better signal-to-noise ratio than LiNbO3:Fe crystal (Fe:0.03wt.%) that is generally considered as a preferable storage medium in holographic memories. In a common volume of LiNbO3:In, Fe crystal proposed, 2030 holograms have been successfully multiplexed and exactly identified in a compact volume holographic data storage and correlation recognition system.
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收藏
页码：312 / 320
页数：9
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