Extraction of more than 10 kW from Yb-doped tandem-pumping aluminophosphosilicate fiber

Jiangyun Dai; Fengyun Li; Nian Liu; Changle Shen; Lihua Zhang; Hao Li; Yue Li; Shihao Sun; Yuwei Li; Jiakun Lv; Lei Jiang; Honglei He; Honghuan Lin; Jianjun Wang; Feng Jing; Cong Gao

doi:10.1117/12.2590631

18 March 2021 Extraction of more than 10 kW from Yb-doped tandem-pumping aluminophosphosilicate fiber

Jiangyun Dai, Fengyun Li, Nian Liu, Changle Shen, Lihua Zhang, Hao Li, Yue Li, Shihao Sun, Yuwei Li, Jiakun Lv, Lei Jiang, Honglei He, Honghuan Lin, Jianjun Wang, Feng Jing, Cong Gao

Author Affiliations +

Proceedings Volume 11780, Global Intelligent Industry Conference 2020; 117801D (2021) https://doi.org/10.1117/12.2590631
Event: Global Intelligent Industry Conference 2020, 2020, Guangzhou, China

Abstract

To ensure sufficient absorption of tandem-pumping energy, a large-scale aluminophosphosilicate fiber with 55 μm core and 400 μm inner-clad in diameter, i.e., a 55/400 Yb-APS fiber, was experimentally fabricated by using modified chemical vapor deposition system combining with chelate precursor doping technique. Based on an all-fiberized master oscillator power-amplifier laser setup tandem-pumped by 1018 nm fibber laser, a 150 W 1080 nm seed was amplified to 11.18 kW successfully, along with an optical-to-optical efficiency of 79.7%.

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Jiangyun Dai, Fengyun Li, Nian Liu, Changle Shen, Lihua Zhang, Hao Li, Yue Li, Shihao Sun, Yuwei Li, Jiakun Lv, Lei Jiang, Honglei He, Honghuan Lin, Jianjun Wang, Feng Jing, and Cong Gao "Extraction of more than 10 kW from Yb-doped tandem-pumping aluminophosphosilicate fiber", Proc. SPIE 11780, Global Intelligent Industry Conference 2020, 117801D (18 March 2021); https://doi.org/10.1117/12.2590631

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