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2019 Volume 35 Issue 4
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Shuai Li, Ya-Ding Guo, Zhong-Zheng Chen, Lin Zhang, Ke-Ling Gong, Zhi-Feng Zhang, Bao-Shan Wang, Jian Xu, Yi-Ting Xu, Lei Yuan, Yang Kou, Yang Liu, Yan-Yong Lin, Qin-Jun Peng, Zu-Yan Xu. 2019: The 10 kW Level High Brightness Face-Pumped Slab Nd∶YAG Amplifier with a Hybrid Cooling System, Chinese Physics Letters, 36(4): 31-34. doi: 10.1088/0256-307X/36/4/044204
Citation: Shuai Li, Ya-Ding Guo, Zhong-Zheng Chen, Lin Zhang, Ke-Ling Gong, Zhi-Feng Zhang, Bao-Shan Wang, Jian Xu, Yi-Ting Xu, Lei Yuan, Yang Kou, Yang Liu, Yan-Yong Lin, Qin-Jun Peng, Zu-Yan Xu. 2019: The 10 kW Level High Brightness Face-Pumped Slab Nd∶YAG Amplifier with a Hybrid Cooling System, Chinese Physics Letters, 36(4): 31-34. doi: 10.1088/0256-307X/36/4/044204
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The 10 kW Level High Brightness Face-Pumped Slab Nd∶YAG Amplifier with a Hybrid Cooling System

  • Key Lab of Solid State Laser, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190;University of Chinese Academy of Sciences, Beijing 100190

  • Key Lab of Solid State Laser, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190

  • Key Lab of Solid State Laser, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190;Key Lab of Function Crystal and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190

  • We demonstrate a high power,high brightness,slab amplifier based on face-pumped Nd∶ YAG slab gain modules,having a high efficient hybrid cooling system of the conduction cooling and forced convection cooling.Using a single gain module,a laser output power up to 4.5 kW with a remarkable optical-optical conversion efficiency of 51％ is realized,indicating an excellent lasing performance of the Nd∶YAG slab module.The amplifier operates at a repetition rate of 700Hz and delivers a maximum average output power exceeding 10.5 kW with pulse duration of 150μs.A good beam quality factor is measured to be β =1.9.To the best of our knowledge,this is the highest brightness for a 10 kW level Nd∶YAG slab amplifier.
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通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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The 10 kW Level High Brightness Face-Pumped Slab Nd∶YAG Amplifier with a Hybrid Cooling System

Abstract: We demonstrate a high power,high brightness,slab amplifier based on face-pumped Nd∶ YAG slab gain modules,having a high efficient hybrid cooling system of the conduction cooling and forced convection cooling.Using a single gain module,a laser output power up to 4.5 kW with a remarkable optical-optical conversion efficiency of 51％ is realized,indicating an excellent lasing performance of the Nd∶YAG slab module.The amplifier operates at a repetition rate of 700Hz and delivers a maximum average output power exceeding 10.5 kW with pulse duration of 150μs.A good beam quality factor is measured to be β =1.9.To the best of our knowledge,this is the highest brightness for a 10 kW level Nd∶YAG slab amplifier.

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