Correcting vortex splitting in higher order vortex beams

Richard Neo, Shiaw Juen Tan, Xavier Zambrana-Puyalto, Sergio Leon-Saval, Joss Bland-Hawthorn, Gabriel Molina-Terriza

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

We demonstrate a general method for the first order compensation of singularity splitting in a vortex beam at a single plane. By superimposing multiple forked holograms on the SLM used to generate the vortex beam, we are able to compensate vortex splitting and generate beams with desired phase singularities of order ℓ = 0, 1, 2, and 3 in one plane. We then extend this method by application of a radial phase, in order to simultaneously compensate the observed vortex splitting at two planes (near and far field) for an ℓ = 2 beam.

Original languageEnglish
Pages (from-to)9920-9931
Number of pages12
JournalOptics Express
Volume22
Issue number8
DOIs
Publication statusPublished - 21 Apr 2014

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