Optical vortices near sub-wavelength structures

H.F. Schouten, T.D. Visser, D. Lenstra

Research output: Contribution to journalArticleAcademicpeer-review

33 Citations (Scopus)

Abstract

In this paper the phase singularities of the electromagnetic field near a sub-wavelength slit are studied. These phase singularities, such as optical vortices, are found in regular patterns, which can be created or annihilated under the conservation of certain topological quantities, when a parameter such as the slit width is changed. The connection between the phase singularities and the light transmission though the slit is considered.
Original languageEnglish
Pages (from-to)S404-S409
JournalJournal of Optics B, Quantum and Semiclassical Optics
Volume6
DOIs
Publication statusPublished - 2004

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