Topology of optical vortex lines formed by the interference of three, four, and five plane waves

K O'Holleran, MJ Padgett, MR Dennis

Research output: Contribution to journalArticle (Academic Journal)

108 Citations (Scopus)

Abstract

When three or more plane waves overlap in space, complete destructive interference occurs on nodal lines, also called phase singularities or optical vortices. For super positions of three plane waves, the vortices are straight, parallel lines. For four plane waves the vortices form an array of closed or open loops. For five or more plane waves the loops are irregular. We illustrate these patterns numerically and experimentally and explain the three-, four- and five-wave topologies with a phasor argument.
Translated title of the contributionTopology of optical vortex lines formed by the interference of three, four, and five plane waves
Original languageEnglish
Pages (from-to)3039 - 3044
Number of pages6
JournalOptics Express
Volume14
DOIs
Publication statusPublished - Apr 2006

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