Orthogonally polarized dual-wavelength Nd:LiYF4 laser at 1777 and 1789 nm with 1:1 output power ratio

被引：1
|
作者：
Wang, Shuang [1 ]
Li, Changli [1 ]
机构：
[1] Changchun Univ Sci & Technol, Sch Phys, Changchun 130022, Jilin, Peoples R China
来源：
LASER PHYSICS | 2024年 / 34卷 / 12期
基金：
中国国家自然科学基金;
关键词：
diode-pumped; orthogonally polarized; dual-wavelength; Nd:YLF crystal; NDYLF LASER; OPERATION; EMISSION;
D O I：
10.1088/1555-6611/ad8cb8
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A diode-pumped continuous-wave orthogonally polarized dual-wavelength Nd:LiYF4 (Nd:YLF) laser on( 4 )F (3/2) -> (4) I (15/2) transition is studied. The output power ratio can be adjusted using two intracavity uncoated glass plates. At an incident pump power of 20 W, a dual-wavelength laser operating at 1777 nm in pi-polarization and 1789 nm in sigma-polarization was realized. The total output power of the dual-wavelength laser was more than 1.16 W with a 1:1 output power ratio. The total slope efficiency and total optical conversion efficiency with respect to the incident pump power were 4.6% and 2.9%, respectively. To the best of our knowledge, this is the first work realizing mid-infrared wavelength operation in Nd:YLF lasers on F-4 (3/2) -> (4) I (15/2) transition.
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页数：5
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