980 nm Yb-doped double-clad photonic crystal fiber amplifier and its frequency doubling

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• 作者：Pingxue Li^a ; ^{pxli@bjut.edu.cn} ; Guoshun Zhong^b ; Zhi Liu^a ; Junjie Chi^a ; Xuexia Zhang^a ; Chun Yang^a ; Ziqiang Zhao^a ; Yao Li^b ; Xiongfei Wang^b ; Hong Zhao^b ; Dongsheng Jiang^b
• 关键词：Photonic crystal fiber ; 980  ; nm amplifier ; Frequency doubling
• 刊名：Optics and Laser Technology
• 出版年：2012
• 期刊代码：48_00303992
• 类别：ph
• 出版时间：October, 2012
• 卷：44
• 期：7
• 页码：2202-2205
• 文件大小：258 K

摘要

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.