Yb:LuAG是应用前景广阔的激光工作物质,Yb:LuAG更适合激光二极管泵浦系统，并不适合传统的掺钕激光系统的泵浦结构。Yb:LuAG晶体或掺镱钇铝石榴石可输出0.94
μm激光，与传统的Nd:YAG晶体相比，Yb:LuAG晶体或掺镱钇铝石榴石具有更大的吸收带宽,更长的上能级寿命，3-4倍更低的单位泵浦功率热负
荷。
Yb:LuAG晶体或掺镱钇铝石榴石在高功率半导体泵浦激光器领域，被人们认为是取代Nd:YAG 晶体的最佳选择。
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Undoped YAG has higher thermal conductivity compared to undoped LuAG. Increasing Yb3+ doping leads to a drop of in thermal conductivity. In Yb:YAG thermal conductivity decreases to almost half of its initial value, while Yb:LuAG displays a drop of only 10%. Heavily doped Yb:LuAG can be advantageously used in thin disc lasers.
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| Physical properties | Yb:YAG | Yb:LuAG | |||||||||
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| Pump wavelength | 941 nm | 938 nm | |||||||||
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| Absorption cross section | 8,2 . 10-21 cm2 | 7,2 . 10-21 cm2 | |||||||||
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| Emission wavelength | 1030 nm | 1031 nm | |||||||||
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| Emission cross section | 2,1 . 10-20 cm2 | 2,6 . 10-20 cm2 | |||||||||
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| Laser transition | 2F5/2 --> 2F7/2 | 2F5/2 --> 2F7/2 | |||||||||
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| Refractive transition | 1,82 | 1,84 | |||||||||
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| Crystal structure | cubic | cubic | |||||||||
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