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Volume 21 Issue 5
Sep.  2013
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Article Navigation >  LASER TECHNOLOGY  > 1997 >  21(5): 316-317

Citation:
shu

Precise location of laser beam center and its applications

  • 1.

    Jilin University of Technology, Changchun, 130025

  • Received Date: 1996-01-15
    Accepted Date: 1997-07-04
  • We use a area CCD to acquire the data of the beam profile of a He-Ne laser.According to the data,we utilize the minimum square deviation to get the intensity profile curve,and define the peak point as the center of the laser beam.The accuracy of center location can be about 1μm.Then we employ the method to measure the prism angle and get the measurement precision up to 0.004°.
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  • [1] 张广军.计量学报,1994;15(4):292~295
    [2] 李志能.现代光学系统原理.北京:北京理工大学出版社,1994:132~134
    [3] 张以谟.应用光学.北京:机械工业出版社,1988:100~105
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Precise location of laser beam center and its applications

  • 1. Jilin University of Technology, Changchun, 130025
  • Received Date: 1996-01-15
  • Accepted Date: 1997-07-04
  • Available Online: 1997-09-25

Abstract: We use a area CCD to acquire the data of the beam profile of a He-Ne laser.According to the data,we utilize the minimum square deviation to get the intensity profile curve,and define the peak point as the center of the laser beam.The accuracy of center location can be about 1μm.Then we employ the method to measure the prism angle and get the measurement precision up to 0.004°.

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