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Abstract <p>A model of heating optical multilayer coatings by laser radiation, oriented towards massive parallel computing, is proposed and applied to thin <InlineEquation ID="IEq5"> <EquationSource Format="TEX">\(\textrm{TiO}_{2}{-}\textrm{SiO}_{2}\)</EquationSource> <!--LobJMat2560919Grigoriev-m5--> </InlineEquation> films. The absorption of laser energy is taken into account by increasing the temperature of the absorption region. Short-pulse and long-pulse heating regimes are studied. Using large-scale atomistic clusters, changes in film density, refractive index, concentration of point defects and mechanical stresses due to heating are calculated. The parameters chosen for modeling provide high computational efficiency.</p>

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High-Performance Modeling of Laser Induced Heating of TiO\({}_{2}\)–SiO\({}_{2}\) Thin Films

  • 期刊论文

  • 发表日期：

    2025年8月1日

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  • F. V. Grigoriev,
  • V. B. Sulimov,
  • A. V. Tikhonravov

摘要

Abstract

A model of heating optical multilayer coatings by laser radiation, oriented towards massive parallel computing, is proposed and applied to thin \(\textrm{TiO}_{2}{-}\textrm{SiO}_{2}\) films. The absorption of laser energy is taken into account by increasing the temperature of the absorption region. Short-pulse and long-pulse heating regimes are studied. Using large-scale atomistic clusters, changes in film density, refractive index, concentration of point defects and mechanical stresses due to heating are calculated. The parameters chosen for modeling provide high computational efficiency.