The 10kW Level High Brightness Face-Pumped Slab Nd:YAG Amplifier with a Hybrid Cooling System
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Shuai Li,
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Ya-Ding Guo,
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Zhong-Zheng Chen,
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Lin Zhang,
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Ke-Ling Gong,
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Zhi-Feng Zhang,
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Bao-Shan Wang,
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Jian Xu,
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Yi-Ting Xu,
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Lei Yuan,
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Yang Kou,
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Yang Liu,
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Yan-Yong Lin,
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Qin-Jun Peng,
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Zu-Yan Xu
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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 700 Hz and delivers a maximum average output power exceeding 10.5 kW with pulse duration of 150 μs. A good beam quality factor is measured to be \beta=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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Cite this article:
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. The 10kW Level High Brightness Face-Pumped Slab Nd:YAG Amplifier with a Hybrid Cooling System[J].
Chin. Phys. Lett., 2019, 36(4): 044204.
DOI: 10.1088/0256-307X/36/4/044204
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. The 10kW Level High Brightness Face-Pumped Slab Nd:YAG Amplifier with a Hybrid Cooling System[J]. Chin. Phys. Lett., 2019, 36(4): 044204. DOI: 10.1088/0256-307X/36/4/044204
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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. The 10kW Level High Brightness Face-Pumped Slab Nd:YAG Amplifier with a Hybrid Cooling System[J]. Chin. Phys. Lett., 2019, 36(4): 044204. DOI: 10.1088/0256-307X/36/4/044204
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. The 10kW Level High Brightness Face-Pumped Slab Nd:YAG Amplifier with a Hybrid Cooling System[J]. Chin. Phys. Lett., 2019, 36(4): 044204. DOI: 10.1088/0256-307X/36/4/044204
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