The topology of vortex lines in light beams

MJ Padgett, K O'Holleran, J Leach, J Courtial, MR Dennis

Research output: Chapter in Book/Report/Conference proceedingChapter in a book

Abstract

Optical vortices, or phase singularities, are places in a scalar optical wave field where the phase is not defined. Within any beam cross-section they are observed as points of darkness. However, in 3D, these singularities are lines of darkness embedded within the light. The topologies of these dark lines can be imaged by finding the phase singularities in successive cross-sections.
Translated title of the contributionThe topology of vortex lines in light beams
Original languageEnglish
Title of host publicationTopology in Ordered Phases: Proceedings of the 1st International Meeting on TOP 2005 Sapporo, Japan 7-10 March 2005
EditorsS Tanda, T Matsuyama, M Oda, Y Asano, K Yakubo
PublisherWorld Scientific Publishing Co.
Pages287 - 294
Number of pages8
ISBN (Print)9812700064
Publication statusPublished - 2006

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