High efficiency operation of Tm:Y2O3 ceramic laser in-band pumped at 1620 nm

被引：0

作者：

Huang, Weiwei ^{[1
]}

Wang, Fei ^{[2
,3
]}

Shen, Deyuan ^{[2
,3
]}

Wang, Jun ^{[1
,2
]}

Tang, Dingyuan ^{[1
,2
]}

机构：

[1] Jiangsu Normal Univ, Sch Phys & Elect Engn, Jiangsu Key Lab Adv Laser Mat & Devices, Xuzhou 22116, Jiangsu, Peoples R China

[2] Jiangsu Collaborat Innovat Ctr Adv Laser Technol, Xuzhou 221116, Jiangsu, Peoples R China

[3] Jiangsu Inst Mid Infrared Laser Technol & Applica, Xuzhou 221000, Jiangsu, Peoples R China

来源：

ADVANCED LASERS, HIGH-POWER LASERS, AND APPLICATIONS XII | 2021年 / 11890卷

基金：

中国国家自然科学基金;

关键词：

2 mu m; solid state laser; in-band pump; Tm:Y2O3 ceramic; Y2O3;

D O I：

10.1117/12.2602547

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on high power and efficient laser operation of low scattering loss Tm:Y2O3 ceramic fabricated in house via co-precipitation process. The Tm3+ ion is pumped directly to the upper energy level of the similar to 2 mu m laser transition (F-3(4) -> H-3(6)) using a high power 1620 nm fiber Raman laser. With an optically polished but uncoated sample of 2 at.% doping, the laser generated 11.3 W of TEM00 output power at similar to 2050 nm for similar to 19 W of absorbed pump power, corresponding to a slope efficiency of 74.4% with respect to absorbed pump power.

引用

页数：5

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