• DocumentCode
    3562012
  • Title

    Evidence for non-mass-transfer mechanism in fs-laser formation of sub-200 nm structures on sapphire

  • Author

    Das, Susanta Kumar ; G?¼ell, Frank ; Messaoudi, Hamza ; Bock, Martin ; Grunwald, Ruediger

  • Author_Institution
    Max Born Inst. for Nonlinear Opt. & Short-Pulse Spectrosc., Berlin, Germany
  • fYear
    2012
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    Femtosecond-laser induced generation of sub-200 nm structures in Al2O3 is reported. Comparison of experiment to theory favors periodical fluence variation while excluding self-organized mass transfer as responsible mechanism for structure formation.
  • Keywords
    high-speed optical techniques; laser materials processing; mass transfer; nanofabrication; nanostructured materials; sapphire; Al2O3; femtosecond-laser induced generation; fs-laser formation; nonmass-transfer mechanism; self-organized mass transfer; size 200 nm; structure formation; Equations; Laser theory; Mathematical model; Nanostructures; Periodic structures; Refractive index; Ultrafast optics;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2012 Conference on
  • Print_ISBN
    978-1-4673-1839-6
  • Type

    conf

  • Filename
    6325796