Two-beam coherent combining based on Ti:sapphire chirped-pulse amplification at the repetition of 1 Hz

被引：25
|
作者：
Peng, Chun [1 ]
Liang, Xiaoyan [1 ,3 ]
Liu, Renqi [1 ,2 ]
Li, Wenqi [1 ]
Li, Ruxin [1 ,3 ]
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, Beijing 100049, Peoples R China
[3] ShanghatTech Univ, Sch Phys Sci & Technol, Shanghai 200031, Peoples R China
来源：
OPTICS LETTERS | 2019年 / 44卷 / 17期
基金：
中国国家自然科学基金;
关键词：
HIGH-POWER; FEMTOSECOND PULSES; BEAM COMBINATION; HIGH-PRECISION; HIGH-ENERGY; LASER; PW; GENERATION; AMPLIFIER; OPTICS;
D O I：
10.1364/OL.44.004379
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this Letter, we report the demonstration of the coherent beam combining (CBC) of two-beam femtosecond laser pulses based on chirped-pulse amplification (CPA). To the best of our knowledge, this is the first experimental realization of coherent combination pulses from Ti:sapphire CPA systems. In this experiment, the combined laser beams operate at a repetition rate of 1 Hz, and a reference laser is introduced to detect the phase error between the sub-beams. Finally, we realize a coherent combining efficiency of 90% which verified the feasibility for CPA CBC. Moreover, the influence of the amplification process on CBC is studied. (C) 2019 Optical Society of America
引用
收藏
页码：4379 / 4382
页数：4
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