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Generation of twisted stigmatic beam and transfer of orbital angular momentum during the beam transformation

Gao Ming-Wei Gao Chun-Qing Lin Zhi-Feng

Generation of twisted stigmatic beam and transfer of orbital angular momentum during the beam transformation

Gao Ming-Wei, Gao Chun-Qing, Lin Zhi-Feng
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  • Abstract views:  3511
  • PDF Downloads:  1057
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Publishing process
  • Received Date:  28 July 2006
  • Accepted Date:  26 December 2006
  • Published Online:  05 February 2007

Generation of twisted stigmatic beam and transfer of orbital angular momentum during the beam transformation

  • 1. 北京理工大学光电工程系,北京 100081

Abstract: The twisted stigmatic beam with orbital angular momentum generated by transforming the Hermite-Gaussian beam through a rotated cylindrical lens system was studied. By utilizing of method of mode decomposition, the theory of transformation was analyzed. The transfer of orbital angular momentum during beam transformation was analyzed using beam transforming matrix and Collins integral. It was found that the angular momentum transfer takes place at the first cylindrical lens and remains constant after that.

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