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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/5202

Title: Poynting vector and orbital angular momentum density of superpositions of Bessel beams
Authors: Litvin, IA
Dudley, A
Forbes, A
Keywords: Optical vortices
Orbital angular momentum
Quantum Optics
Bessel beams
Optical trapping
Optical tweezing
Issue Date: Aug-2011
Publisher: Optical Society of America
Citation: Litvin, IA, Dudley, A and Forbes, A. 2011. Poynting vector and orbital angular momentum density of superpositions of Bessel beams. Optics Express, Vol 19(18), pp 16760-16771
Series/Report no.: Workflow request;7347
Abstract: The authors study theoretically the orbital angular momentum (OAM) density in arbitrary scalar optical fields, and outline a simple approach using only a spatial light modulator to measure this density. They demonstrate the theory in the laboratory by creating superpositions of nondiffracting Bessel beams with digital holograms, and find that the OAM distribution in the superposition field matches the predicted values. Knowledge of the OAM distribution has relevance in optical trapping and tweezing, and quantum information processing.
Description: Copyright: 2011 Optical Society of America
URI: http://www.opticsinfobase.org/view_article.cfm?gotourl=http%3A%2F%2Fwww%2Eopticsinfobase%2Eorg%2FDirectPDFAccess%2F7AED080A%2DC77A%2DB85C%2D247AF11332E61836%5F221865%2Epdf%3Fda%3D1%26id%3D221865%26seq%3D0%26mobile%3Dno&org=
http://hdl.handle.net/10204/5202
ISSN: 1094-4087
Appears in Collections:Laser physics and technology
General science, engineering & technology

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