Dynamics of subpicosecond laser ablation, examined by moments technique

B. S. Luk“yanchuk, S. I. Anisimov, Y. F. Lu

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


The interaction of subpicosecond laser pulses with metals is studied theoretically using phenomenological two-temperature model. A semi-analytical approach to a quantitative analysis of electron and lattice temperatures is presented. Using the nonstationary averaging technique (moment’s technique) the coupled system of nonlinear heat equations for electron and lattice temperatures is transformed into the set of four ordinary differential equations. Resulting system is convenient for the fast analysis of nonstationary laser heating and laser ablation with ultrashort laser pulses.

Original languageEnglish (US)
Pages (from-to)141-152
Number of pages12
JournalProceedings of SPIE - The International Society for Optical Engineering
Issue number1
StatePublished - Jun 26 2001
Externally publishedYes


  • Moment’s technique
  • Subpicosecond laser ablation
  • Two-temperature model

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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