The curious arithmetic of optical vortices

Gabriel Molina-Terriza*, Jaume Recolons, Lluis Torner

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

73 Citations (Scopus)


The superposition of noncoaxial light beams containing screw wave-front dislocations is shown to create light patterns with a richer vortex content than that given by the arithmetic of the topological charges of the individual beams. We report the experimental observation of this phenomenon.

Original languageEnglish
Pages (from-to)1135-1137
Number of pages3
JournalOptics Letters
Issue number16
Publication statusPublished - 15 Aug 2000
Externally publishedYes


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