Characterizing the azimuthal and radial mode indices of a laguerre-gaussian beam using diffraction from a triangular aperture

A. Mourka, M. Mazilu, C. Shanor, E. M. Wright, K. Dholakia

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Recent studies have reported a new method for the determination of the azimuthal index (topological charge) ℓ of an optical vortex beam (eg. Optics Express 19, 5760-5771 (2011)). Here we consider the performance of such a system for determining both the azimuthal as well as radial indices of a Laguerre-Gaussian beam by measuring the far-field diffraction pattern from a tailored annular triangular aperture. Both a multi-annular triangle aperture and an annular triangle aperture with radial spokes are used.

Original languageEnglish (US)
Title of host publicationLaser Science, LS 2011
PublisherOptical Society of America (OSA)
ISBN (Print)9781557529176
DOIs
StatePublished - 2011
EventLaser Science, LS 2011 - San Jose, CA, United States
Duration: Oct 16 2011Oct 20 2011

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701

Other

OtherLaser Science, LS 2011
CountryUnited States
CitySan Jose, CA
Period10/16/1110/20/11

ASJC Scopus subject areas

  • Instrumentation
  • Atomic and Molecular Physics, and Optics

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    Mourka, A., Mazilu, M., Shanor, C., Wright, E. M., & Dholakia, K. (2011). Characterizing the azimuthal and radial mode indices of a laguerre-gaussian beam using diffraction from a triangular aperture. In Laser Science, LS 2011 (Optics InfoBase Conference Papers). Optical Society of America (OSA). https://doi.org/10.1364/ls.2011.lthf2