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Volume 22 Issue 2
Sep.  2013
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Article Navigation >  LASER TECHNOLOGY  > 1998 >  22(2): 118-121

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The measurement of hel beam far field with hole grating beam sampler

  • 1.

    Institute of Laser Technology & Engineering, HUST, Wuhan, 430074

  • A high power laser beam profile intensity measuring system using hole grating is introduced.The principle of hole grating sampler was analyzed.The HL CO2 laser focal irradiance distribution was measured with hole grating.The divergence and radius of laser beam were calculated.The beam quality can be valued by M2 factor.
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  • [1]

    Michal A C,Severna P,Edward W N.US P,No.4746205(1988)
    [2]

    Wiggins T A.AD-A172,1984,006/9,26~657,651
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    Kirtland A F B.Opt Engng,1981;20(6):881~888
    [4] 余永林,吕乃光.傅里叶光学.武汉:华中理工大学出版社,1991
    [5] 杨成龙,程晓峰,吕百达et al.强激光与粒子束,1994;16(4):485
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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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The measurement of hel beam far field with hole grating beam sampler

  • 1. Institute of Laser Technology & Engineering, HUST, Wuhan, 430074
  • Available Online: 1998-03-25

Abstract: A high power laser beam profile intensity measuring system using hole grating is introduced.The principle of hole grating sampler was analyzed.The HL CO2 laser focal irradiance distribution was measured with hole grating.The divergence and radius of laser beam were calculated.The beam quality can be valued by M2 factor.

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