Continuous-wave and passively Q-switched pulse Er:Yb:Ca3NbGa3Si2O14 microlasers at 1.5-1.6 μm

被引：6
作者：
Chen, Yujin [1 ,2 ]
Huang, Jianhua [1 ,2 ]
Lin, Yanfu [1 ,2 ]
Gong, Xinghong [1 ,2 ]
Luo, Zundu [2 ]
Huang, Yidong [1 ,2 ,3 ]
机构：
[1] Fujian Sci & Technol Innovat Lab Optoelect Informa, Fuzhou 350108, Fujian, Peoples R China
[2] Chinese Acad Sci, Fujian Inst Res Struct Matter, Key Lab Optoelect Mat Chem & Phys, Fuzhou 350002, Fujian, Peoples R China
[3] Chinese Acad Sci, Fujian Inst Res Struct Matter, Fuzhou 350002, Fujian, Peoples R China
来源：
OPTICAL MATERIALS | 2022年 / 131卷
关键词：
Er:Yb:Ca3NbGa3Si2O14 crystal; Eye-safe 1.5-1.6 mu m microlaser; Passively Q-switched pulse laser; LASER GENERATION; ER; CRYSTAL; GLASS; GROWTH;
D O I：
10.1016/j.optmat.2022.112733
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Compact continuous-wave and passively Q-switched pulse microlasers at 1.5-1.6 mu m were developed by using a 5-mm-thick Er:Yb:Ca3NbGa3Si2O14 crystal as a gain medium. End-pumped by a 975.6 nm continuous-wave laser diode, a 1555 nm continuous-wave laser with a maximum output power of 1.05 W and a slope efficiency of 8.8% was obtained at an absorbed pump power of 14.2 W. End-pumped by a 975.6 nm pulsed laser diode with a pulse width of 0.3 ms and a pulse period of 1.0 ms, a stable 1534 nm passively Q-switched pulse laser operating at a repetition frequency of 1.0 kHz was realized by using a Co2+:MgAl2O4 crystal with an initial transmission of 95% as a saturable absorber. At a peak absorbed pump power of 23.6 W, the obtained single-pulse energy, pulse width and peak output power were 8.06 mu J, 7.9 ns, and 1.02 kW, respectively.
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页数：6
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