All-fiber-integrated Yb:YAG-derived silica fiber laser generating 6 W output power

A Yb:YAG-derived silica fiber was fabricated by a molten-core fabrication method, in which a Yb:YAG crystal was used as the core material and a silica tube was used as the cladding material. The fiber's transmission loss was measured to be 0.49 dB/m at 1.55 µm, using a cut-back method. The fibe...

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Bibliographic Details
Published in:Optics express 2019-02, Vol.27 (3), p.3791-3798
Main Authors: Xie, Yongyao, Liu, Zhaojun, Cong, Zhenhua, Qin, Zengguang, Wang, Shang, Jia, Zhixu, Li, Chengzhi, Qin, Guanshi, Gao, Xibao, Zhang, Xingyu
Format: Article
Language:English
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Summary:A Yb:YAG-derived silica fiber was fabricated by a molten-core fabrication method, in which a Yb:YAG crystal was used as the core material and a silica tube was used as the cladding material. The fiber's transmission loss was measured to be 0.49 dB/m at 1.55 µm, using a cut-back method. The fiber microstructure image showed that the cladding region was a uniform glass structure, while the core structure was amorphous. An all-fiber-integrated cladding-pumped laser based on Yb:YAG-derived silica fiber was demonstrated. With an incident pump power of 28 W, an output power of 6 W was obtained at 1.06 μm, with a slope efficiency of 21.7%.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.27.003791