Modeling laser-induced periodic surface structures: Finite-difference time-domain feedback simulations

J.Z.P. Skolski, Gerardus Richardus, Bernardus, Engelina Römer, J. Vincenc Obona, Bert Huis in 't Veld

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A model predicting the formation of laser-induced periodic surface structures (LIPSSs) is presented. That is, the finite-difference time domain method is used to study the interaction of electromagnetic fields with rough surfaces. In this approach, the rough surface is modified by “ablation after each laser pulse,” according to the absorbed energy profile, in order to account for inter-pulse feedback mechanisms. LIPSSs with a periodicity significantly smaller than the laser wavelength are found to “grow” either parallel or orthogonal to the laser polarization. The change in orientation and periodicity follow from the model. LIPSSs with a periodicity larger than the wavelength of the laser radiation and complex superimposed LIPSS patterns are also predicted by the model
Original languageEnglish
Article number103102
Pages (from-to)-
JournalJournal of Applied Physics
Issue number10
Publication statusPublished - 2014


  • IR-89873
  • METIS-303006


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