High beam quality chirped pulse amplification laser based on plane-convex hybrid cavity Innoslab amplifier

被引：5

作者：

Gao, Yongxi ^{[1
,2
]}

Guo, Jie ^{[1
]}

Gao, Zichen ^{[1
,2
]}

Huang, Yuguang ^{[1
,2
]}

Tu, Zhihua ^{[1
,3
]}

Liang, Xiaoyan ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China

[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China

[3] Tongji Univ, Sch Phys Sci & Engn, Shanghai 200092, Peoples R China

来源：

OPTICS AND LASER TECHNOLOGY | 2024年 / 168卷

基金：

中国国家自然科学基金;

关键词：

Innoslab amplifier; Laser amplifiers; High power ultrafast source; 1; KW; MJ; PS;

D O I：

10.1016/j.optlastec.2023.109885

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrated a 154 W femtosecond chirped pulse amplification laser with nearly diffraction-limited beam quality based on Yb:YAG Innoslab amplifier. The amplifier with a plane-convex hybrid cavity efficiently suppressed the self-lasing and achieved an output average power of up to 189 W. The evolutions of the Yb:YAG equivalent thermal lens effect and the output beam quality with the increasing pump power were also investigated. Finally, the laser featured pulse durations of 519 fs at 175 kHz repetition rate with a compression efficiency of about 94% and power stability of 0.28%.

引用

页数：5

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