Laser ablation of metals by femtosecond pulses: Theoretical and experimental study (Articolo in rivista)

Type
Label
  • Laser ablation of metals by femtosecond pulses: Theoretical and experimental study (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.apsusc.2007.02.083 (literal)
Alternative label
  • Nedialkov N.N.; Atanasov P.A.; Amoruso S.; Bruzzese R.; Wang X. (2007)
    Laser ablation of metals by femtosecond pulses: Theoretical and experimental study
    in Applied surface science
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Nedialkov N.N.; Atanasov P.A.; Amoruso S.; Bruzzese R.; Wang X. (literal)
Pagina inizio
  • 7761 (literal)
Pagina fine
  • 7766 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • Symposium on Photon-Assisted Synthesis and Processing of Functional Materials held at the 2006 EMRS Spring Meeting Location: Nice, FRANCE Date: MAY 29-JUN 02, 2006. Selected and revised paper. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 253 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 19 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Bulgarian Acad Sci, Inst Elect, BU-1784 Sofia, Bulgaria; Complesso Univ Monte S Angelo, Univ Naples Federico II, Coherentia CNR, INFM, I-80126 Naples, Italy; Complesso Univ Monte S Angelo, Univ Naples Federico II, Dipartimento Sci Fisiche, I-80126 Naples, Italy (literal)
Titolo
  • Laser ablation of metals by femtosecond pulses: Theoretical and experimental study (literal)
Abstract
  • We have investigated ultrashort laser micromachining of metals, both from the point of view of the basic physical processes, and the technological implications. The process of hole drilling of Ni with approximate to 300 fs SHG (X = 527 nm) Nd-glass and Al samples with 100 fs Ti:sapphire (), = 800 nm) laser pulses, respectively, has been experimentally addressed by using time-gated optical emission spectroscopy of the ablated material and SEM analysis of the targets. The ablation process has also been analyzed by classical, molecular dynamics (MD) simulations, by using a Morse potential to describe the interaction between the atoms, and taking into account the electron heat diffusion contribution. The dependence of the ablation depth on laser fluence, as measured by SEM analysis, is in good agreement with the numerical simulations and is also well correlated with the optical emission yield of the expanding plume. (c) 2007 Elsevier B.V. All rights reserved. (literal)
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