Revolving interference patterns for the rotation of optically trapped particles

Michael P. MacDonald; K. Volke-Sepulveda; Lynn Paterson; J. Arlt; W. Sibbett; K. Dholakia

doi:10.1016/S0030-4018(01)01652-2

Revolving interference patterns for the rotation of optically trapped particles

Michael P. MacDonald, K. Volke-Sepulveda, Lynn Paterson, J. Arlt, W. Sibbett, K. Dholakia

University of St. Andrews

Research output: Contribution to journal › Article › peer-review

85 Citations (Scopus)

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.

Original language	English
Pages (from-to)	21-28
Number of pages	8
Journal	Optics Communications
Volume	201
Issue number	1-3
DOIs	https://doi.org/10.1016/S0030-4018(01)01652-2
Publication status	Published - 1 Jan 2002

Keywords

Interference patterns
Laguerre-Gaussian beams
Micro-particle rotation
Optical manipulation
Optical trapping

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1016/S0030-4018(01)01652-2

Cite this

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keywords = "Interference patterns, Laguerre-Gaussian beams, Micro-particle rotation, Optical manipulation, Optical trapping",

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AU - Paterson, Lynn

AU - Arlt, J.

AU - Sibbett, W.

AU - Dholakia, K.

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N2 - 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.

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KW - Interference patterns

KW - Laguerre-Gaussian beams

KW - Micro-particle rotation

KW - Optical manipulation

KW - Optical trapping

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Revolving interference patterns for the rotation of optically trapped particles

Abstract

Keywords

ASJC Scopus subject areas

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