Infrared and Laser Engineering, Volume. 50, Issue S2, 20200415(2021)

Numerical analysis of temperature field and stress field of fused silica irradiated by millisecond-nanosecond combined pulse laser

Shengqiang Xia... Jixing Cai, Xiaoyun Zhang, Chao Xin, Jingyi Li and Guangyong Jin |Show fewer author(s)
Author Affiliations
  • Jilin Key Laboratory of Solid-State Laser Technology and Application, Changchun University of Science and Technology, Changchun 130022, China
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    Figures & Tables(10)
    Geometric model of fused silica irradiated by millisecond-nanosecond pulse laser
    Temperature nephogram of fused quartz irradiated by millisecond-nanosecond pulse laser
    Center on material surface temperature changes with time
    Under different laser energy conditions, the radial temperature change of the material surface
    Relationship between melting radius and total energy of fused silica
    Relationship between the ratio of melting radius irradiated by combined pulse laser and millisecond pulse laser
    Radial stress trend of millisecond laser and combined pulse laser
    Axial stress trend of millisecond laser and combined pulse laser
    • Table 1. Simulation thermodynamic parameters of fused quartz

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      Table 1. Simulation thermodynamic parameters of fused quartz

      ParameterValue
      Young modulus/GPa72.60
      Poisson ratio0.17
      density/g·cm−32.21
      Thermal expansion coefficient/K−15.4×10−7
      Thermal conductivity/W·(m·K)−11.38
      Heat capacity/J·(kg·K)−1703
      Absorption coefficient/m−11.9×10−2
    • Table 2. Simulation parameters of millisecond-nanosecond pulse laser

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      Table 2. Simulation parameters of millisecond-nanosecond pulse laser

      ParameterValue
      Millisecond pulse energy/J100-150
      Millisecond pulse width/ms1
      Millisecond pulse spot radius/mm1
      Nanosecond pulse energy/mJ80-220
      Nanosecond pulse width/ns10
      Nanosecond pulse spot radius/mm1
      $\Delta $t/ms 0.25-1.25
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    Shengqiang Xia, Jixing Cai, Xiaoyun Zhang, Chao Xin, Jingyi Li, Guangyong Jin. Numerical analysis of temperature field and stress field of fused silica irradiated by millisecond-nanosecond combined pulse laser[J]. Infrared and Laser Engineering, 2021, 50(S2): 20200415

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    Paper Information

    Category: Lasers and laser optics

    Received: Oct. 30, 2020

    Accepted: --

    Published Online: Dec. 3, 2021

    The Author Email:

    DOI:10.3788/IRLA20200415

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