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Crystal growth of high doped Nd:YAG

机译：高掺杂Nd：YAG的晶体生长

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For years, neodymium-doped yttrium aluminum Garnet (Nd:YAG) crystals of dopant levels of up to 1.1% concentration have been produced for military, industrial, medical, and scientific applications. More and more however, a need exists for crystals doped with higher neodymium concentrations. Nd:YAG crystals with dopant levels of 1.3% and 1.4% can produce greater efficiency in Q-switch operations, thus smaller crystals can be used to achieve the desired output power. Additionally, smaller crystals are easier to cool and therefore deleterious thermal effects can be minimized. It is difficult to incorporate the large diameter Nd~(3+) ion into the relatively small Y~(3+) sites of the YAG crystal lattice, which limits the achievable dopant concentration. In this paper, we will present the growth of highly doped Nd:YAG crystals with excellent optical quality achieved by modifying the growth parameters. Spec-troscopy results and laser results obtained from our 1.3% and 1.4% Nd:YAG crystals will also be presented.
机译：多年来，已为军事，工业，医学和科学应用生产了掺杂浓度高达1.1％的掺钕钇铝石榴石（Nd：YAG）晶体。然而，越来越需要掺有较高钕浓度的晶体。掺杂水平为1.3％和1.4％的Nd：YAG晶体可以在Q开关操作中产生更高的效率，因此可以使用更小的晶体来获得所需的输出功率。另外，较小的晶体更容易冷却，因此有害的热效应可以最小化。难以将大直径的Nd〜（3+）离子掺入到YAG晶格的相对较小的Y〜（3+）位，这限制了可达到的掺杂剂浓度。在本文中，我们将介绍通过修改生长参数获得的具有出色光学质量的高掺杂Nd：YAG晶体的生长。还将介绍从我们的1.3％和1.4％Nd：YAG晶体获得的光谱结果和激光结果。

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