Thermo-electric method for nearly complete oxidization of highly iron-doped lithium niobate crystals

被引：20
|
作者：
Falk, M [1 ]
Buse, K [1 ]
机构：
[1] Univ Bonn, Inst Phys, D-53115 Bonn, Germany
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2005年 / 81卷 / 06期
关键词：
D O I：
10.1007/s00340-005-1972-5
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A new method is presented, allowing the nearly complete oxidization of lithium niobate crystals (LiNbO3), doped with large amounts of iron oxide (0.05-3 wt.% Fe2O3) utilizing annealing at 700 degrees C in the presence of externally applied electric fields. The treatment results in a concentration ratio of Fe2+ and Fe3+ ions of less than 2x10(-3). Strong oxidization of iron in LiNbO3 reduces the photorefractive effect and is therefore of particular interest for nonlinear-optical applications.
引用
收藏
页码：853 / 855
页数：3
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