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Revolving interference patterns for the rotation of optically trapped particles

Research output: Contribution to journalArticle

Author(s)

Michael Peter Macdonald, K Volke-Sepulveda, L Paterson, J Arlt, Wilson Sibbett, Kishan Dholakia

School/Research organisations

Abstract

Optically trapped objects are rotated controllably in the interference pattern between a Laguerre-Gaussian (LG) beam and a Gaussian beam. In this work the interference pattern is analysed and its properties as it propagates are modelled, showing the important role played by the Guoy-phase of the two interfering beams. An analysis of producing controlled rotation of the interference pattern using a glass plate is presented demonstrating the ease with which the rotation can be controlled. (C) 2002 Elsevier Science B.V. All rights reserved.

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Details

Original languageEnglish
Pages (from-to)21-28
Number of pages8
JournalOptics Communications
Volume201
Issue number1-3
DOIs
Publication statusPublished - 1 Jan 2002

    Research areas

  • optical trapping, optical manipulation, Laguerre-Gaussian beams, interference patterns, micro-particle rotation, ORBITAL ANGULAR-MOMENTUM, GAUSSIAN LASER MODES, BIREFRINGENT MICRO-OBJECTS, MICROSCOPIC PARTICLES, BEAMS, ALIGNMENT, LIGHT, POLARIZATION, TWEEZERS

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