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首页> 外文期刊>Crystal growth & design >Epitaxial growth of NaGd_(0.935)Yb_(0.065)(WO _4)_2 layers on lattice matched tetragonal double tungstate substrates for ultrafast thin disk lasers
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Epitaxial growth of NaGd_(0.935)Yb_(0.065)(WO _4)_2 layers on lattice matched tetragonal double tungstate substrates for ultrafast thin disk lasers

机译:NaGd_(0.935)Yb_(0.065)(WO _4)_2层在晶格匹配的四方双钨酸盐衬底上的外延生长,用于超快薄盘激光器

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摘要

Liquid-phase epitaxial growth of Yb~(3+) doped NaGd(WO _4)_2 crystalline layers has been obtained on Y modified NaGd(WO_4)_2 Czochralski grown single crystal substrates. It is shown that the lattice parameter of the layer and substrate can be equalized by proper selection of the Yb and Y compositions. The epitaxial layers obtained are highly transparent, with thicknesses in the range 10-70 μm, and with crystallographic quality close to that of the used substrates. The spectroscopic properties of Yb~(3+) in the layer are anisotropic and similar to those of Yb-doped NaGd(WO_4)_2 single crystals. The layers are envisaged as optical gain media for the design of ultrafast modelocked thin disk lasers.
机译:在Y修饰的NaGd(WO_4)_2直拉生长的单晶衬底上获得了Yb〜(3+)掺杂的NaGd(WO_4)_2晶体层的液相外延生长。结果表明,通过适当选择Yb和Y成分,可以使层和衬底的晶格参数相等。所获得的外延层是高度透明的,厚度在10-70μm的范围内,并且晶体学质量接近于所用基板的晶体学质量。该层中Yb〜(3+)的光谱性质是各向异性的,并且类似于掺Yb的NaGd(WO_4)_2单晶。可以将这些层用作光学增益介质,以设计超快锁模薄盘激光器。

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