• DocumentCode
    2248025
  • Title

    Measuring vortex charge with a triangular aperture

  • Author

    De Araujo, Luís E E ; Anderson, Matthew E.

  • Author_Institution
    Inst. de Fis. Gleb Wataghin, Univ. Estadual de Campinas, Campinas, Brazil
  • fYear
    2011
  • fDate
    1-6 May 2011
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We measure the charge of vortex beams (up to ±7) via diffraction in a triangular aperture. We also apply this technique for measuring femtosecond vortices and non-integer vortices. The results compare favorably with numerical modeling.
  • Keywords
    laser beams; light diffraction; numerical analysis; optical vortices; femtosecond vortices; noninteger vortices; numerical modeling; triangular aperture; vortex beams; vortex charge measurement; Apertures; Charge measurement; Diffraction; Laser beams; Lenses; Measurement by laser beam; Ultrafast optics;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2011 Conference on
  • Conference_Location
    Baltimore, MD
  • Print_ISBN
    978-1-4577-1223-4
  • Type

    conf

  • Filename
    5950937