High power high efficiency fiber coupled diode laser module - 文章详情页

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The　high　coupling-efficiency　fiber　coupled　diode　laser　module　is　obtained　by　beam　shaping.　The　wavelength　of　the　CW　diode　laser　bar　is　976　nm,　and　five　bars　are　collimated　by　a　fast　axis　collimation　lens.　Then　the　beams　are　transformed　and　collimated　by　slow　axis　collimation　optics.　Then　all　the　beams　are　combined　in　space,　and　focused　into　a　multimode　fiber　(400　μm　core　diameter,　the　numerical　aperture　(NA)　is　0.22).　Experimental　results　show　that　the　laser　output　from　fiber　could　reach　327　W,　and　the　coupling-efficiency　is　more　than　93.6%.　Experimental　results　demonstrate　that　this　module　lays　a　foundation　for　multi-wavelength,　polarization　beam　combining　and　the　high　beam　quality,　high　coupling　efficiency　diode　laser　module　with　CW　thousands　watts　class　output　power　can　be　developed.　©,　2015,　Editorial　Office　of　High　Power　Laser　and　Particle　Beams.　All　right　reserved.

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Diodes Efficiency Fibers Multimode fibers Semiconductor lasers

作者机构：

[ 1 ] [Xu, Dan]Institute of Laser Engineering, Beijing University of Technology, Beijing, China
[ 2 ] [Huang, Xuesong]Institute of Laser Engineering, Beijing University of Technology, Beijing, China
[ 3 ] [Jiang, Menghua]Institute of Laser Engineering, Beijing University of Technology, Beijing, China
[ 4 ] [Hui, Yongling]Institute of Laser Engineering, Beijing University of Technology, Beijing, China
[ 5 ] [Lei, Hong]Institute of Laser Engineering, Beijing University of Technology, Beijing, China
[ 6 ] [Li, Qiang]Institute of Laser Engineering, Beijing University of Technology, Beijing, China

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