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  • Author: Angelsky, O. V.

    Correlation Optics Department, Chernivtsi National University, Ukraine

  • Author: Bekshaev, A. Ya

    Physical Department, Odessa I.I. Mechnikov National University, Ukraine

  • Author: Maksimyak, P. P.

    Correlation Optics Department, Chernivtsi National University, Ukraine

  • Author: Maksimyak, A. P.

    Correlation Optics Department, Chernivtsi National University, Ukraine

  • Author: Hanson, Steen Grüner

    Optical Sensor Technology, Department of Photonics Engineering, Technical University of Denmark, Frederiksborgvej 399, 4000, Roskilde, Denmark

  • Author: Zenkova, C. Yu

    Department of Optics and Spectroscopy, Chernivtsi National University, Ukraine

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The internal energy flow in a light beam can be divided into the "orbital" and "spin" parts, associated with the spatial and polarization degrees of freedom of light. In contrast to the orbital one, experimental observation of the spin flow seems problematic because it is converted into an orbital flow upon tight focusing of the beam, usually applied for energy flow detection by means of the mechanical action upon probe particles. We propose a two-beam interference technique that results in an appreciable level of spin flow in moderately focused beams and detection of the orbital motion of probe particles within a field where the transverse energy circulation is associated exclusively with the spin flow. This result can be treated as the first demonstration of mechanical action of the spin flow of a light field.
Original languageEnglish
JournalOptics Express
Publication date2012
Volume20
Issue4
Pages3563-3571
ISSN1094-4087
DOIs
StatePublished

Bibliographical note

This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-4-3563. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

CitationsWeb of Science® Times Cited: 38
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