Quantitative characterization of energy absorption in femtosecond laser micro-modification of fused silica

A.V. Dostovalov, A.A. Wolf, V.K. Mezentsev, A.G. Okhrimchuk, S.A. Babin

Research output: Contribution to journalArticle

Abstract

We present the results of experimental and theoretical study of an energy absorption of femtosecond laser pulse in fused silica. Fundamental and second harmonics of ytterbium laser were used in experiment while general case was considered theoretically and numerically. More efficient absorption at the second harmonics is confirmed both experimentally and numerically. Quantitative characterization of the theoretical model is performed by fitting key parameters of the absorption process such as cross-section of multi-photon absorption and effective electronic collision and recombination times.

Original languageEnglish
Pages (from-to)32541-32547
Number of pages7
JournalOptics Express
Volume23
Issue number25
DOIs
Publication statusPublished - 9 Dec 2015

Keywords

  • transparent materials
  • induced breakdown
  • refreactive index
  • wave guides
  • glass
  • written
  • pulses
  • inscripton
  • irradiation
  • fabrication

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