A 61-mJ, 1-kHz cryogenic Yb:YAG laser amplifier

被引：0
|
作者：
何会军 [1 ,2 ]
余军 [1 ]
朱文涛 [1 ]
林庆典 [1 ]
郭晓杨 [1 ]
周沧涛 [1 ]
阮双琛 [1 ,2 ]
机构：
[1] Shenzhen Key Laboratory of Ultraintense Laser and Advanced Material Technology,Center for Advanced Material Diagnostic Technology,and College of Engineering Physics,Shenzhen Technology University (SZTU)
[2] College of Physics and Optoelectronic Engineering,Shenzhen University
来源：
Chinese Physics B | 2021年 / 12期
基金：
美国国家科学基金会;
关键词：
D O I：
暂无
中图分类号：
TN249 [激光的应用]; TN722 [放大器];
学科分类号：
摘要：
We report a diode-pumped rod-type Yb:YAG laser amplifier operating at 1 kHz. Cryogenic cooling method was adopted to make the Yb:YAG crystal work with four-level behavior. A single-frequency fiber laser acts as the seed in an actively Q-switched Yb:YAG oscillator. The resonator delivers 5.75-mJ pulses at 1 kHz with a pulse duration of approximately 40 ns. The pulses were amplified to 61 mJ in a four-pass rod-type Yb:YAG amplifier with optical-to-optical efficiency of 24% in the main amplifier. The M;parameter of the output laser is < 1.4.
引用
收藏
页码：424 / 427
页数：4
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