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Spectral and temporal characteristics of metallic nanoparticles produced by femtosecond laser pulses

  • D. Scuderi
  • , R. Benzerga
  • , O. Albert
  • , B. Reynier
  • , J. Etchepare

Research output: Contribution to journalArticlepeer-review

Abstract

We study the time of flight optical emission from titanium and tungsten nanosized particles, generated through femtosecond laser-matter interaction in vacuum, in the wavelength spectral range from 300 to 900 nm. Typical spectra consist of broadband structureless signals similar to black body emission from a macroscopic object. Nanoparticles temperature, deduced from their emission spectra, decreases drastically as a function of their time of arrival at a given distance from the target. This behaviour is seen to be independent of individual particle velocities.

Original languageEnglish
Pages (from-to)4360-4363
Number of pages4
JournalApplied Surface Science
Volume252
Issue number13 SPEC. ISS.
DOIs
Publication statusPublished - 30 Apr 2006

Keywords

  • Femtosecond laser pulses
  • Metallic nanoparticles
  • Optical emission

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