Ultrashort laser ablation of solid matter in vacuum: a comparison between the picosecond and femtosecond regimes (Articolo in rivista)

Type
Label
  • Ultrashort laser ablation of solid matter in vacuum: a comparison between the picosecond and femtosecond regimes (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0953-4075/38/20/L01 (literal)
Alternative label
  • S Amoruso; G Ausanio; A C Barone; R Bruzzese; L Gragnaniello; M Vitiello; X Wang (2005)
    Ultrashort laser ablation of solid matter in vacuum: a comparison between the picosecond and femtosecond regimes
    in Journal of physics. B, Atomic molecular and optical physics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • S Amoruso; G Ausanio; A C Barone; R Bruzzese; L Gragnaniello; M Vitiello; X Wang (literal)
Pagina inizio
  • l329 (literal)
Pagina fine
  • l338 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 38 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 10 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Coherentia--INFM and Dipartimento di Scienze Fisiche, Universit`a di Napoli 'Federico II', Complesso Universitario di Monte S Angelo, Via Cintia, I-80126 Napoli, Italy (literal)
Titolo
  • Ultrashort laser ablation of solid matter in vacuum: a comparison between the picosecond and femtosecond regimes (literal)
Abstract
  • We have investigated the main features of ultrashort laser ablation of solid matter by using laser pulses of different durations, ranging from fs to ps timescales, and wavelengths, in the visible-near infrared spectral range. The analysis has been carried out on Si and Ni in terms of the two main characteristics of the ablation process: vacuum expansion of the ablated material and generation of nanoparticles of the target material. Fast photography and optical emission spectroscopy were used to characterize the plume expansion dynamics, while atomic force microscopy analysis of less than one layer deposits was employed to analyse the size distribution of the produced nanoparticles. Our analysis indicates that the properties characterizing the plume expansion in vacuum as well as the size distribution of the nanoparticles produced with laser pulses in the range of 100 fs-1 ps are almost independent of the specific material properties and laser pulse characteristics, thus representing general features of the process in these conditions. (literal)
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