Mid-infrared dual-wavelength operation of a diode-pumped Tm:YScO3 laser

被引：1
|
作者：
Chen, Chong [1 ]
Wang, Chi [1 ]
Li, Yongliang [1 ]
Shangguan, Jiawei [1 ]
Feng, Hailong [1 ]
机构：
[1] Changchun Univ Sci & Technol, Sch Optoelect Engn, Changchun 130022, Jilin, Peoples R China
来源：
LASER PHYSICS | 2024年 / 34卷 / 07期
关键词：
solid-state laser; dual-wavelength laser; Tm:YScO3; birefringent filter; BIREFRINGENT FILTER; GENERATION; MODE;
D O I：
10.1088/1555-6611/ad4bb3
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A simultaneous continuous-wave (CW) dual-wavelength Tm:YScO3 laser using a single birefringent filter (BF) was experimentally demonstrated. We calculated the wavelength-dependent loss property of the BF. By adjusting the BF plate, the spectral intensity ratio of the generated wavelengths can be maintained to be 1:1. A simultaneous CW dual-wavelength Tm:YScO3 laser at 1948 and 2098 nm is experimentally realized. For a pump power of 15.2 W, mid-infrared dual-wavelength laser radiation at 1948 and 2098 nm and 5.9 W of output power using a 5% output coupler could be generated. A slope efficiency of 42.2% with respect to the absorbed pump power and optical-to-optical efficiency of 38.8% for the highest-incident pump power were obtained. To our knowledge, this is the first study that has realized the dual-wavelength in a Tm:YScO3 laser.
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页数：5
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