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  • 标题:Retrieving orbital angular momentum distribution of light with plasmonic vortex lens
  • 本地全文:下载
  • 作者:Hailong Zhou ; Jianji Dong ; Jihua Zhang
  • 期刊名称:Scientific Reports
  • 电子版ISSN:2045-2322
  • 出版年度:2016
  • 卷号:6
  • 期号:1
  • DOI:10.1038/srep27265
  • 语种:English
  • 出版社:Springer Nature
  • 摘要:We utilize a plasmonic vortex lens (PVL) to retrieve the orbital angular momentum (OAM) distribution of light. The OAM modes are coupled to the surface plasmon polaritons (SPPs) in the form of various Bessel functions respectively. By decomposing the interference pattern of SPPs into these Bessel functions, we can retrieve the relative amplitude and the relative phase of input OAM modes simultaneously. Our scheme shows advantage in integration and can measure hybrid OAM states by one measurement.
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