Creating and probing of a perfect vortex in situ with an optically trapped particle

Mingzhou Chen; Michael Mazilu; Yoshihiko Arita; Ewan M. Wright; Kishan Dholakia

doi:10.1007/s10043-015-0031-7

Creating and probing of a perfect vortex in situ with an optically trapped particle

Mingzhou Chen, Michael Mazilu, Yoshihiko Arita, Ewan M. Wright, Kishan Dholakia

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

34 Scopus citations

Abstract

We experimentally create a ‘perfect’ vortex beam, which has a uniform ring profile and fixed radius. In contrast with other vortex fields, the intensity profile is independent of its topological charge. We then correct this field in situ using a single trapped particle as a probe. This results in a constant angular velocity for the particle regardless of its position on the beam circumference.

Original language	English (US)
Pages (from-to)	162-165
Number of pages	4
Journal	Optical Review
Volume	22
Issue number	1
DOIs	https://doi.org/10.1007/s10043-015-0031-7
State	Published - Feb 1 2015

Keywords

Optical manipulation
Optical tweezers
Optical vortices

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1007/s10043-015-0031-7

Cite this

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abstract = "We experimentally create a {\textquoteleft}perfect{\textquoteright} vortex beam, which has a uniform ring profile and fixed radius. In contrast with other vortex fields, the intensity profile is independent of its topological charge. We then correct this field in situ using a single trapped particle as a probe. This results in a constant angular velocity for the particle regardless of its position on the beam circumference.",

keywords = "Optical manipulation, Optical tweezers, Optical vortices",

author = "Mingzhou Chen and Michael Mazilu and Yoshihiko Arita and Wright, {Ewan M.} and Kishan Dholakia",

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AU - Chen, Mingzhou

AU - Mazilu, Michael

AU - Arita, Yoshihiko

AU - Wright, Ewan M.

AU - Dholakia, Kishan

PY - 2015/2/1

Y1 - 2015/2/1

N2 - We experimentally create a ‘perfect’ vortex beam, which has a uniform ring profile and fixed radius. In contrast with other vortex fields, the intensity profile is independent of its topological charge. We then correct this field in situ using a single trapped particle as a probe. This results in a constant angular velocity for the particle regardless of its position on the beam circumference.

AB - We experimentally create a ‘perfect’ vortex beam, which has a uniform ring profile and fixed radius. In contrast with other vortex fields, the intensity profile is independent of its topological charge. We then correct this field in situ using a single trapped particle as a probe. This results in a constant angular velocity for the particle regardless of its position on the beam circumference.

KW - Optical manipulation

KW - Optical tweezers

KW - Optical vortices

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JF - Optical Review

IS - 1

ER -

Creating and probing of a perfect vortex in situ with an optically trapped particle

Abstract

Keywords

ASJC Scopus subject areas

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