High Power Laser and Particle Beams, Volume. 32, Issue 7, 071006(2020)

Electric field enhancement effect and damage characteristics of nodular defect in 45° high-reflection coating

Shunmin Pan... Yaowei Wei*, Chenhui An, Zhenfei Luo and Jian Wang |Show fewer author(s)
Author Affiliations
  • Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China
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    Figures & Tables(10)
    Electric field intensity (EFI) distribution of 45° HR coating
    Electric field enhancement effects of nodules with different diameters under s and p polarized light irradiation
    Morphology of artificial nodule(seed diameter: 2 μm)
    The minimum and maximum laser damage energies of samples
    Morphologyies of coating damage spots
    Damage morphology of sample C
    Damage spot produced by micro defect ejection
    Surface morphology and cross-section images of nodule pits
    • Table 1. The electric field intensity in different regions

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      Table 1. The electric field intensity in different regions

      seed diameter/μmelectric field intensity
      s-polarizedp-polarized
      region 1region 2region 3region 1region 2region 3
      0.53.784.596.375.143.064.06
      15.996.755.659.148.015.63
      210.4310.697.3823.5516.075.00
    • Table 2. Sample parameters

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      Table 2. Sample parameters

      sample numberseed diameter d/μm nodule diameter D/μm coating thickness t/μm coefficient c
      A0.53.5±0.2~6.753.62
      B14.8±0.23.41
      C27.0±0.23.63
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    Shunmin Pan, Yaowei Wei, Chenhui An, Zhenfei Luo, Jian Wang. Electric field enhancement effect and damage characteristics of nodular defect in 45° high-reflection coating[J]. High Power Laser and Particle Beams, 2020, 32(7): 071006

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    Paper Information

    Category: High Power Laser Physics and Technology

    Received: Feb. 2, 2020

    Accepted: --

    Published Online: Jul. 10, 2020

    The Author Email: Wei Yaowei (jimmy1363797@aliyun.com)

    DOI:10.11884/HPLPB202032.200028

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