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Volume 22 Issue 5
Sep.  2013
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Article Navigation >  LASER TECHNOLOGY  > 1998 >  22(5): 268-270

Citation:
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Laser damage mechanisms of a variable refractivity thin film consisted of nonquarter wavelength film layers

  • 1.

    Dept. of Appled Physics, Nanjing University of Science and Technology, Nanjing, 210094;

  • 2.

    North China Institute of Electro Optics, Beijing, 100015;

  • 3.

    Southwest Institute of Technical Physics, Chengdu, 610041

  • Received Date: 1997-06-16
    Accepted Date: 1997-10-27
  • The physics mechanism of field effect and thermal effect on a variable refractivity optical dielectric thin film consisted of nonquarter wavelength film layers irradiated by a beam of high power laser to produce damage have been discussed in this paper,and laser damage thresholds of film layer specimen have been measured.It has been indicated theoretically and experimentally that the thin film absorbing laser energy is a main reason to produce laser damage for this kind of film.
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    Lavigne P,McCarthy N,Demers J G.Appl Opt,1985;24(16):2581
    [2]

    Parent A,McCarthy N,Lavigne P.IEEE J Q E,1987;QE-23(2):222
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    Snell K J,McCarthy N,Piche M.Opt Commun,1988;65(5):377
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    Zhou S,Zhang F,Wen H et al.SPIE,1992;1979:269
    [5] 倪晓武,陆建,贺安之1激光技术,1994;18(4):348
    [6]

    Ni X W,Lu J,He A Z.Opt Commun,1992;90(4/6):270
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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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Laser damage mechanisms of a variable refractivity thin film consisted of nonquarter wavelength film layers

  • 1. Dept. of Appled Physics, Nanjing University of Science and Technology, Nanjing, 210094;
  • 2. North China Institute of Electro Optics, Beijing, 100015;
  • 3. Southwest Institute of Technical Physics, Chengdu, 610041
  • Received Date: 1997-06-16
  • Accepted Date: 1997-10-27
  • Available Online: 1998-09-25

Abstract: The physics mechanism of field effect and thermal effect on a variable refractivity optical dielectric thin film consisted of nonquarter wavelength film layers irradiated by a beam of high power laser to produce damage have been discussed in this paper,and laser damage thresholds of film layer specimen have been measured.It has been indicated theoretically and experimentally that the thin film absorbing laser energy is a main reason to produce laser damage for this kind of film.

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