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Generation of periodic structures on SiC upon laser plasma XUV/NIR radiations

  • L. Gemini*
  • , D. Margarone
  • , S. Trusso
  • , L. Juha
  • , J. Limpouch
  • , T. Mocek
  • , P. M. Ossi
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Surface periodic structures are generated upon irradiation of a silicon carbide (SiC) thin film by the plasma produced by 40 fs pulses from a Ti:Sapphire laser focused onto a thick low density polyethylene (LDPE) foil facing the SiC film. Independently of the number of laser pulses applied, these structures, with average regular periodicity of 710 nm, are evident throughout all irradiated areas. We attribute their formation to the efficient coupling of the unfocused femtosecond laser pulse with the incoherent extreme ultraviolet component of the laser-generated LDPE plasma.

Original languageEnglish
Pages (from-to)547-550
Number of pages4
JournalLaser And Particle Beams
Volume31
Issue number3
DOIs
Publication statusPublished - 01 Sept 2013
Externally publishedYes

Keywords

  • Generation of periodic structures
  • Laser plasma irradiation of SiC
  • LDPE plasma formation by ultra-short pulse laser
  • XUV/NIR dual action

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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