A long ring regenerative cavity for high energy chirped pulse amplification

被引:3
作者
Liu Cheng [1 ]
Wang Zhao-Hua [1 ]
Shen Zhong-Wei [1 ]
Zhang Wei [1 ]
Teng Hao [1 ]
Wei Zhi-Yi [1 ]
机构
[1] Chinese Acad Sci, Inst Phys, Lab Opt Phys, Beijing 100190, Peoples R China
基金
中国国家自然科学基金;
关键词
ring cavity; regenerative amplifier; high-energy; REPETITION RATE; AMPLIFIER;
D O I
10.7498/aps.62.094209
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We demonstrate a novel regenerative amplifier with a long ring cavity. Calculation on cavity parameters supports a large mode size. Based on the simulation with the cavity design software, we successfully established a 12 m ring regenerative amplifier. The amplified laser energy up to 20 mJ was obtained under 150 mJ green pump laser at a repetition rate of 10 Hz, corresponding to 13.3% conversion efficiency. The spectral bandwidth of the output pulse was 30 nm, which could support a sub 30 fs pulse duration. After seed injection, the ASE of the amplifier was effectively suppressed.
引用
收藏
页数:5
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