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Divergent characteristic of the second order moment of nonparaxial vector beams

Deng Xiao-Jiu Wang Guo-An Liu Cai-Xia Lai Chuan-Wei

Divergent characteristic of the second order moment of nonparaxial vector beams

Deng Xiao-Jiu, Wang Guo-An, Liu Cai-Xia, Lai Chuan-Wei
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  • Received Date:  11 August 2008
  • Accepted Date:  05 March 2009
  • Published Online:  20 December 2009

Divergent characteristic of the second order moment of nonparaxial vector beams

  • 1. 合肥工业大学物理系,合肥 230009

Abstract: Based on the accurate expression of light intensity of nonparaxial vector beams at the transverse plane and the vectorial second order moment theory of light beam propagation,by applying rigorous vectorial diffraction theory of the angular spectrum representation,the nonparaxial propagation of any vectorial diffraction beam has been systemically investigated,the integral expressions of beam width,transversal divergence angle have been presented,and the divergent characteristic of the second order moment of nonparaxial vector beams has been demonstrated. The definitions of beam width,transversal divergence angle of non-paraxial vector beams and some related problems have been discussed.

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