Singular beams based on tangential phase warp

Research output: Contribution to journalArticlepeer-review

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Abstract

We introduce a new kind of singular beam with a controllable topological charge. These beams are created by modulating the spatial phase using a tangent function on the angular coordinate, and a linear function on the radial coordinate. While the angular function controls the topological charge of the beam, the radial function generates a warped intensity profile. We simulate several cases to analyze their evolution with propagation and determine their topological charge. The results are supported with an experiment using a Shack–Hartmann wavefront sensor.
Original languageAmerican English
Pages (from-to)3769-3772
Number of pages4
JournalOptics Letters
Volume44
Issue number15
DOIs
StatePublished - 1 Aug 2019

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