Using colloidal gold nanoparticals for studies of laser interaction with defects in thin films

S. Papernov, A. W. Schmid, R. Krishnan, L. Tsybeskov

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

A model thin-film system based on SiO2 coating with artificially introduced gold nanoparticles was investigated for the mechanism of 351-nm, pulsed-laser-radiation interaction with well-characterized nanoabsorbers. Damage morphology, represented by craters, provides strong evidence of the important role of the melting and vaporization processes. Measured crater volumes and numerical estimates based on them suggest that crater formation can not proceed through laser-energy absorption confined within the particle. It instead starts in the particle and then, due to energy transfer, spreads out to the surrounding matrix during the laser pulse.

Original languageEnglish (US)
Pages (from-to)146-154
Number of pages9
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4347
Issue number1
DOIs
StatePublished - Apr 12 2001
Externally publishedYes

All Science Journal Classification (ASJC) codes

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

Keywords

  • Atomic force microscopy
  • Gold nanoparticles
  • Laser-induced damage
  • Thin films

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