• DocumentCode
    2269413
  • Title

    Direct determination of light beams’ topological charges using diffraction

  • Author

    Soares, W.C. ; Caetano, D.P. ; Fonseca, E.J.S. ; Chavez-Cerda, S. ; Hickmann, J.M.

  • Author_Institution
    Inst. de Fis., Univ. Fed. de Alagoas, Maceio
  • fYear
    2008
  • fDate
    4-9 May 2008
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We demonstrate a new method to measure the phase singularity of light beams with orbital angular momentum, based on the diffraction by a triangular aperture. We have applied our method to Bessel and Laguerre-Gauss beams.
  • Keywords
    light diffraction; Bessel beam; Laguerre-Gauss beam; diffraction; light beams; orbital angular momentum; phase singularity; triangular aperture; Apertures; Charge coupled devices; Current measurement; Extraterrestrial measurements; Interference; Laser beams; Optical beams; Optical diffraction; Optical interferometry; Optical resonators; (030.4070) Modes; (090.1970) Diffractive optics;
  • fLanguage
    English
  • Publisher
    iet
  • Conference_Titel
    Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
  • Conference_Location
    San Jose, CA
  • Print_ISBN
    978-1-55752-859-9
  • Type

    conf

  • Filename
    4572958
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=2269413