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

页码：424 / 427

页数：4

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