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Volume 27 Issue 5
Sep.  2013
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Citation:
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Effect of the aperture on propagation characteristics of nonuniformly polarized beams

  • 1.

    Department of Physics, Luoyang Normal College, Luoyang, 471022;

  • 2.

    Institute of Laser Physics & Chemistry, Sichuan University, Chengdu, 610064;

  • 3.

    National Laboratory of Laser Technology, HUST, Wuhan, 430074

  • Received Date: 2002-12-30
    Accepted Date: 2003-03-25
  • Based on the beam coherence-polarization (BCP) matrix and the propagation law,the expressions for the degree of polarization and intensity distribution of nonuniformly polarized (NUP) beams through an aperture are derived. Numerical examples for a type of uniform intensity distribution NUP beams are given. It is shown that remarkable changes in both polarization and intensity distributions take place after the aperture. There are oscillations of the degree of polarization at the transversal plane and the intensity profile is nonuniform. However,the polarization becomes uniform in the far field.
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Effect of the aperture on propagation characteristics of nonuniformly polarized beams

  • 1. Department of Physics, Luoyang Normal College, Luoyang, 471022;
  • 2. Institute of Laser Physics & Chemistry, Sichuan University, Chengdu, 610064;
  • 3. National Laboratory of Laser Technology, HUST, Wuhan, 430074
  • Received Date: 2002-12-30
  • Accepted Date: 2003-03-25
  • Available Online: 2003-09-25

Abstract: Based on the beam coherence-polarization (BCP) matrix and the propagation law,the expressions for the degree of polarization and intensity distribution of nonuniformly polarized (NUP) beams through an aperture are derived. Numerical examples for a type of uniform intensity distribution NUP beams are given. It is shown that remarkable changes in both polarization and intensity distributions take place after the aperture. There are oscillations of the degree of polarization at the transversal plane and the intensity profile is nonuniform. However,the polarization becomes uniform in the far field.

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