Journal of Jpan Laser Processing Society
Online ISSN : 2435-9181
Print ISSN : 1881-6797
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Volume 25, Issue 2
Displaying 1-17 of 17 articles from this issue
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Special Contribution
Special Features Numerical Simulations for Advanced Laser Material Processing
Dissertation Digest
Original Paper
  • Optical Analysis Considering Thermal Lens Effect by High Power Laser
    Hironari IWAI, Tomoaki NISHIMURA, Koji NINOI, Anna ITO, Norihiro MATSU ...
    2018 Volume 25 Issue 2 Pages 43-47
    Published: 2018
    Released on J-STAGE: June 20, 2021
    DOIhttps://doi.org/10.34592/jlps.25.2_43
    JOURNAL FREE ACCESS
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    It is needed to use both Finite Element Analysis（FEM）tool and optical simulation tool to calculate thermal lens effect for optical performance. FEM tool calculates lens internal temperature distribution and surface deformation delivered from laser power absorption and optical simulation tool use these data to calculate optical performance. Since FEM tool handles the data by grid form, on the other hand optical simulation tool handles the data by function form, it is difficult to do co-simulation between two tools. We studied and developed the method to do co-work between two tools easily and accurately and compared the simulation result with measured result and we got good correlation.
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