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首页> 外文期刊>Journal of Crystal Growth >Yb~3+ doping of nonlinear KTiOAsO_4 (KTA) sile crystals
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Yb~3+ doping of nonlinear KTiOAsO_4 (KTA) sile crystals

机译:非线性KTiOAsO_4(KTA)sile晶体的Yb〜3 +掺杂

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摘要

Optical-grade KTA crystals doped with yb~3+ have been grwon from self-fluxes by the TSSG-pulling method. It has been found that the doping level can reach0.1 wt/100. The Yb segregation coeffici9ent as been estimated of about 0.2. The intensive luminescence in the range enar 1μm has been demsontrated showign typical Yb~3+ line-type structure. Formation of two types of Yb~3+ defects similar in parameters is likely to be a result of Ti(1) and Ti(2) substitution in KTA lattice. The probable mechanisms of charge compensation in the Yb doping process have been disscussed.
机译:掺有yb〜3 +的光学级KTA晶体是通过TSSG抽拉法从自身助熔剂中生长出来的。已经发现掺杂水平可以达到0.1wt / 100。估计Yb偏析系数约为0.2。典型的Yb〜3 +线型结构已被证实为1μm左右的强发光。参数相似的两种类型的Yb〜3 +缺陷的形成可能是KTA晶格中Ti(1)和Ti(2)替代的结果。讨论了Yb掺杂过程中电荷补偿的可能机理。

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