Power scaling limits of diffraction-limited fiber amplifiers considering transverse mode instability

被引：28
|
作者：
Dong, Liang [1 ,2 ]
Ballato, John [1 ,3 ]
Kolis, Joseph [1 ,4 ]
机构：
[1] Univ Clemson, Ctr Opt Mat Sci & Engn Technol COMSET, AMRL, 91 Technol Dr, Anderson, SC 29625 USA
[2] Univ Clemson, Dept Elect & Comp Engn, AMRL, 91 Technol Dr, Anderson, SC 29625 USA
[3] Univ Clemson, Dept Mat Sci & Engn, AMRL, 91 Technol Dr, Anderson, SC 29625 USA
[4] Univ Clemson, Dept Chem, AMRL, 91 Technol Dr, Anderson, SC 29625 USA
来源：
OPTICS EXPRESS | 2023年 / 31卷 / 04期
关键词：
THERMAL RAYLEIGH-SCATTERING; OPTICAL-PROPERTIES; LASER;
D O I：
10.1364/OE.483808
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An empirical TMI threshold formula is derived based on a recently developed model and used to analyze the power-scaling performance of ytterbium-doped silica glass and YAG (Y3Al5O12) and lutetia (Lu2O3) single-crystalline fiber amplifiers. Overall, the single-crystalline fiber lasers are found to scale potentially to higher average powers due to their higher thermal conductivities compared to silica glass. This work serves as a useful extension to earlier works and shines significant new light on optimal fiber and amplifier designs for maximum average output power with TMI considered.
引用
收藏
页码：6690 / 6703
页数：14
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