Er 3+ /Yb 3+ /Ho 3+ :CaLaGa 3 O 7 (abbreviated as Er/Yb/Ho:CLGO) and Er 3+ /Yb 3+ /Eu 3+ :CaLaGa 3 O 7 (Er/Yb/Eu: CLGO) crystals were grown by Czochralski technology and detailed spectroscopic analyses were carried out. The effects of Ho 3+ and Eu 3+ on the spectroscopic properties and mutual energy transfer mechanisms were investigated. It is found that the introductions of Ho 3+ and Eu 3+ are helpful in achieving enhanced mid-infrared (MIR) emission, as well as reduced near-infrared emission. Furthermore, the introduction of Ho 3+ and Eu 3+ depopulated the lower laser level through energy transfer and thus reduced the fluorescence lifetime of Er 3+:4 I 13/2 in Er/Yb/Ho:CLGO and Er/Yb/Eu:CLGO crystals without significantly affecting the fluorescence lifetime of the upper laser level Er 3+:4 I 11/2...

中文翻译：

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中红外激光中使用的Er 3+ / Yb 3+ / Ho 3+：CaLaGa 3 O 7和Er 3+ / Yb 3+ / Eu 3+：CaLaGa 3 O 7晶体的光谱性质

Er 3+ / Yb 3+ / Ho 3+：CaLaGa 3 O 7（缩写为Er / Yb / Ho：CLGO）和Er 3+ / Yb 3+ / Eu 3+：CaLaGa 3 O 7（Er / Yb / Eu ：CLGO）晶体通过Czochralski技术生长，并进行了详细的光谱分析。研究了Ho 3+和Eu 3+对光谱性质和互能传递机理的影响。发现Ho 3+和Eu 3+的引入有助于实现增强的中红外（MIR）发射以及减少的近红外发射。此外，Ho 3+和Eu 3+的引入通过能量转移降低了较低的激光能级，从而降低了Er / Yb / Ho：CLGO和Er / Yb / Eu中Er 3+：4 I 13/2的荧光寿命：CLGO晶体对上激光水平Er 3+：4 I 11/2的荧光寿命没有显着影响