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Impacts of seed power on amplification performance in pulsed double-clad fiber amplifier |
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| Authors: | Fangpei Zhang Qihong Lou Jun Zhou Hongming Zhao Songtao Du Jingxing Dong Yunrong Wei Bing He Jinyan Li Jianqiang Zhu Zhijiang Wang |
| Institution: | [1]Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800; [2]Fiberhome Telecommunication Tech Co. Ltd., Wuhan 430073 |
| Abstract: | A pulsed master-oscillator fiber power amplifier system with near diffraction-limited output by use of China-made large-mode-area fiber and a (2 1) × 1 multimode combiner is reported. The effect of the seed power on the amplification performance is found. For the seed power, there exists a range within which the pulsed fiber amplifier can operate safely and reliably at a certain pump power. With the seed average power of 70 mW, the amplification performances of the fiber amplifier are investigated. |
| Keywords: | fiber amplifier performances amplification power amplifier seed average range pump effect multimode combiner system output |
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