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Volume 27 Issue 5
Sep.  2013
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Citation:
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Laser beam classification

  • 1.

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

  • 2.

    National Laboratory of Laser Technology, HUST, Wuhan, 430074

  • Received Date: 2003-01-23
    Accepted Date: 2003-02-20
  • The laser beam classification,a very interesting subject in laser optics,is reviewed and analyzed. Based on the second order moment method and Wigner distribution function,and in accordance with their spatial symmetry,laser beams can be classified as three types,i.e. stigmatic (ST) beams,simple astigmatic (SA) beams and general astigmatic (GA) beams. On the other hand,according to their spatial coherence,there are two types of laser beams,namely,partially coherent beams and fully coherent beams. The independent characteristic parameters of different types of laser beams and their relation are analyzed.
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    ISO/DIS 11146 Document. Test methods for laser beam parameters: beam widths,divergence angle,and beam propagation factor. 1999.
    [2]

    Nemes G,Serna J.TOPS,1998,17: 200～207.
    [3]

    Simon R,Mukunda N.J O S A,1993,A10(1): 95～109.
    [4]

    Simon R,Sudarshan E C G,Mukunda N.Phys Rev,1985,A31(4): 2419～2434.
    [5]

    Arnaud J A,Kogelnik H.Appl Opt,1969,8(8): 1687～1693.
    [6]

    Eppich B. Die charakterisierung von strahlungsfeldern mit derwigner-verteilung und deren messung. Berlin: Chromapress,1998:27.
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通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Laser beam classification

  • 1. Institute of Laser Physics and Chemistry, Sichuan University, Chengdu, 610064;
  • 2. National Laboratory of Laser Technology, HUST, Wuhan, 430074
  • Received Date: 2003-01-23
  • Accepted Date: 2003-02-20
  • Available Online: 2003-09-25

Abstract: The laser beam classification,a very interesting subject in laser optics,is reviewed and analyzed. Based on the second order moment method and Wigner distribution function,and in accordance with their spatial symmetry,laser beams can be classified as three types,i.e. stigmatic (ST) beams,simple astigmatic (SA) beams and general astigmatic (GA) beams. On the other hand,according to their spatial coherence,there are two types of laser beams,namely,partially coherent beams and fully coherent beams. The independent characteristic parameters of different types of laser beams and their relation are analyzed.

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