Multiphonon-assisted continuous-wave tunable vibronic laser in Yb:LuScO3 crystal

被引:0
|
作者
付裕 [1 ]
梁飞 [1 ]
路大治 [1 ]
于浩海 [1 ]
张怀金 [1 ]
机构
[1] State Key Laboratory of Crystal Materials and Institute of Crystal Materials, Shandong University
基金
中国国家自然科学基金;
关键词
D O I
暂无
中图分类号
TN248 [激光器];
学科分类号
0803 ; 080401 ; 080901 ;
摘要
In this work, we demonstrate the phonon-assisted vibronic lasing of a Yb-doped sesquioxide Yb:LuScO3crystal. The electron–phonon coupling process was analyzed and the Huang-Rhys factor S was calculated to be 0.75 associated with the fluorescence spectrum at room temperature. By a rational cavity design to suppress lasing below 1100 nm, a continuously spectral tunability from 1121 to 1136 nm was realized in a Yb:LuScO3laser, which represents the longest achievable wavelength in the Yb-doped sesquioxide lasers. Moreover, the Raman spectrum indicated that the Egphonon mode with a frequency of 472 cm-1was mainly devoted to the phonon-assisted transition process. This work broadens the achievable laser spectrum of Yb-doped sesquioxide, and suggests that the multiphonon–electron coupling strategy should be universal for other laser materials.
引用
收藏
页码:100 / 104
页数:5
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