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  • 标题:Single Mode Laser Oscillation in an Nd-Doped Large Core Double Clad Fiber Cavity with Concatenated Adiabatic Tapers
  • 本地全文:下载
  • 作者:Seo, Hong-Seok ; Choi, Yong-Gyu ; Kim, Kyung-Hon
  • 期刊名称:ETRI Journal
  • 印刷版ISSN:1225-6463
  • 电子版ISSN:2233-7326
  • 出版年度:2002
  • 卷号:24
  • 期号:3
  • 页码:255-255
  • 语种:English
  • 出版社:Electronics and Telecommunications Research Institute
  • 摘要:We created a new design for an Nd-doped clad-pumped silica fiber laser to enhance the pump absorption and lasing efficiency for a butt-coupled, end-pumped scheme. Two concatenated adiabatic tapers formed within the laser cavity simultaneously removed higher order modes and were spliced to conventional single mode fibers. We theoretically analyzed mode propagation along the composite cavity and experimentally achieved continuous wave oscillation in the mode at and a laser output power of over 820 mW with a slope efficiency of 27%.
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