980 nm Yb-doped double-clad photonic crystal fiber amplifier and its frequency doubling |
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| Authors: | Pingxue Li Guoshun Zhong Zhi Liu Junjie Chi Xuexia Zhang Chun Yang Ziqiang Zhao Yao Li Xiongfei Wang Hong Zhao Dongsheng Jiang |
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| Institution: | 1. Institute of Laser Engineering, Beijing University of Technology, Beijing 100124, China;2. Science and Technology on Solid-State Laser Laboratory, Beijing 100015, China |
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| Abstract: | In this paper, we report on a large-mode-area double-clad 980 nm Yb-doped photonic crystal fiber (PCF) amplifier. In the experiment, an output power of 1.21 W at 980 nm with 2.5 nm bandwidth has been yielded when the PCF length was 40 cm. Through frequency doubling the 980 nm amplified laser with a BIBO crystal, an output power of 51 mW at 490 nm has been generated. |
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