High Power Quasi-continuous-wave Solid-state Slab

ZHANG Xinghu; TU Wei; CHEN Baizhong; ZOU Yue; DING Xiaokang; MOU Xuefeng; XU Chang

doi:10.37188/CJL.20220352

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High Power Quasi-continuous-wave Solid-state Slab

Device Fabrication and Physics | 更新时间：2023-05-10

- High Power Quasi-continuous-wave Solid-state Slab
  增强出版
- Chinese Journal of Luminescence Vol. 44, Issue 4, Pages: 673-677(2023)
- 作者机构：
  
  1.同方中科超光科技有限公司，北京　102200
  2.中国科学院理化技术研究所，北京　100190
- 作者简介：
- 基金信息：
  
  CNNC Youth Talent Project(CG202108YF16)
- DOI：10.37188/CJL.20220352
  CLC：
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张兴虎,涂玮,陈柏众等.全固态高功率准连续板条激光器[J].发光学报,2023,44(04):673-677.

ZHANG Xinghu,TU Wei,CHEN Baizhong,et al.High Power Quasi-continuous-wave Solid-state Slab[J].Chinese Journal of Luminescence,2023,44(04):673-677.
张兴虎,涂玮,陈柏众等.全固态高功率准连续板条激光器[J].发光学报,2023,44(04):673-677. DOI： 10.37188/CJL.20220352.

ZHANG Xinghu,TU Wei,CHEN Baizhong,et al.High Power Quasi-continuous-wave Solid-state Slab[J].Chinese Journal of Luminescence,2023,44(04):673-677. DOI： 10.37188/CJL.20220352.

摘要

报道了一种高功率准连续运转的全固态Nd∶YAG激光器。采用Nd∶YAG晶体板条作为增益介质，平凹腔型作为振荡腔，激光沿Zigzag光路在板条内传播。当抽运功率为9 kW时，振荡可获得平均功率为3 420 W的激光输出，重复频率为1 kHz，激光脉宽为80 μs，单脉冲能量为3.42 J，经过校正后的光束质量,β,为4.1倍衍射极限。

Abstract

An all-solid-state quasi-continuous-wave（QCW） Nd∶YAG slab laser with a high power was demonstrated. A Nd∶YAG slab crystal is adopted for gain medium， a plane-concave cavity is set up， and the laser beam travels along a Zigzag path in the slab. An average output power of 3 420 W is obtained at a pump power of 9 kW， corresponding to a repetition rate of 1 kHz. The pulse width is 80 μs with a pulse energy of 3.42 J， and the laser beam quality with AO system ,β, is 4.1 times of the diffraction limit.

关键词

激光器准连续激光器高功率Nd∶YAG

Keywords

lasersquasi-continuous lasershigh powerNd∶YAG

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