Efficient linearly polarized ytterbium-doped fiber laser at 1120 nm期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Efficient linearly polarized ytterbium-doped fiber laser at 1120 nm

Authors:	Wang Jianhua Zhang Lei Hu Jinmeng Si Lei Chen Jinbao Gu Xijia Feng Yan

Affiliation:	Shanghai Key Laboratory of Solid State Laser and Application, and Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, China.

Abstract:	We report a 20 W linearly polarized, spectrally clean Yb-doped fiber laser at 1120 nm with an optical conversion efficiency of 54%. An excellent polarization extinction ratio of more than 23 dB is obtained using fiber Bragg gratings (FBGs) polarization selection technique at all power levels. The results reveal that a Yb-doped fiber laser at 1120 nm could be a promising replacement compared to Raman fiber lasers.

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