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首页> 外文期刊>American journal of applied sciences >GROWTH OF YB~(3+) DOPED LiNBO_3 CRYSTALS USING LASER HEATED PEDESTAL GROWTH METHOD
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GROWTH OF YB~(3+) DOPED LiNBO_3 CRYSTALS USING LASER HEATED PEDESTAL GROWTH METHOD

机译：激光加热脚底生长法生长YB〜（3+）掺杂LiNBO_3晶体

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摘要

The growth of LN single crystals free from defects greatly doped with rare earth elements (RE ) and having a high optical quality is still an unresolved problem. Always, crystals of the niobate lithium contain a deficiency in lithium causing the appearance of intrinsic defects and thus a doping is required for the homogeneity. Our work was aimed to study the growth of Lithium niobate and their structural characterization, it focusses on congruent to stoichiometric Yb: LiNbO_3 (LN) crystals. These crystals were synthesized with different doping concentrations of Yb3+ (1.0, 2.0, 3.0, 4.0, 5.0 mol%) by the LHPG method which is faster, less expensive and clean, Three analysis techniques were used: Structural characterization made up 5.0 mol% by X-ray diffraction, Optical Microscopy and micro-Raman spectroscopy showed that the obtained material is single crystal, good optical quality and homogeneous. As we lnow, the results obtained with doping up to 5% are encouraging. Our approach provides excellent spectroscopic properties of crystals, low self-quenching property and can be used to applications such as solid-state laser.
机译：没有缺陷的LN单晶的生长仍然是一个未解决的问题，该缺陷大量掺杂有稀土元素（RE），并且具有很高的光学质量。通常，铌酸锂的晶体中锂含量不足，从而导致固有缺陷的出现，因此均质性需要掺杂。我们的工作旨在研究铌酸锂的生长及其结构表征，重点是与化学计量的Yb：LiNbO_3（LN）晶体一致。通过LHPG方法以更快，更便宜，更清洁的LHPG方法合成了具有不同掺杂浓度的Yb3 +（1.0、2.0、3.0、4.0、5.0 mol％）的这些晶体，使用了三种分析技术：结构表征组成为5.0 mol％。 X射线衍射，光学显微镜和显微拉曼光谱分析表明，所得材料为单晶，光学质量好，均质。我们知道，掺杂达5％所获得的结果令人鼓舞。我们的方法具有出色的晶体光谱特性，低的自猝灭特性，可用于诸如固态激光器的应用。

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