High-power side-pump coupler and its applications - 文章详情页

作者：

Tan, Qirui (Tan, Qirui.) | Ge, Tingwu (Ge, Tingwu.) | Dong, Fanlong (Dong, Fanlong.) | Zhang, Xuexia (Zhang, Xuexia.) | Wang, Zhiyong (Wang, Zhiyong.) (学者：王智勇)

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摘要：

Pump　coupler　is　the　key　passive　optical　component　for　the　high　power　fiber　laser.　Multiple　pump　lights　are　efficiently　coupled　into　the　double-clad　fiber,　the　required　pump　power　can　be　provided　for　the　realization　of　high　power　fiber　laser.　Pump　coupler　is　the　first　problem　to　be　solved　for　the　research　of　the　high　power　fiber　laser.　A　high　power　side-pump　coupler　is　developed　with　the　method　of　hydrogen-oxygen　flame　fusion,　when　the　maximum　pump　power　is　100　W,　the　coupling　efficiency　is　94%,　the　signal　insertion　loss　is　0.15　dB,　the　additional　loss　is　0.2　dB,　the　splitting　ratio　of　main　fiber　is　99%,　and　the　directionality　is　22.5　dB.　A　hundred-watts　fiber　laser　with　an　output　power　of　103　W　at　1080　nm　is　built　when　the　maximum　pump　power　is　185　W.　Optical-optical　conversion　efficiency　is　56%.　The　high　power　side-pump　coupler　can　be　used　as　the　pump　coupler　of　the　hundred-watts,　and　even　kilowatt　high　power　fiber　lasers.　©,　2014,　Science　Press.　All　right　reserved.

关键词：

Fiber lasers Lasers Efficiency Fibers Pumping (laser)

作者机构：

[ 1 ] [Tan, Qirui]Institute of Laser Engineering, Beijing University of Technology,, Beijing; 100124, China
[ 2 ] [Ge, Tingwu]Institute of Laser Engineering, Beijing University of Technology,, Beijing; 100124, China
[ 3 ] [Dong, Fanlong]Institute of Laser Engineering, Beijing University of Technology,, Beijing; 100124, China
[ 4 ] [Zhang, Xuexia]Institute of Laser Engineering, Beijing University of Technology,, Beijing; 100124, China
[ 5 ] [Wang, Zhiyong]Institute of Laser Engineering, Beijing University of Technology,, Beijing; 100124, China

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