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

Department of Physics

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

28 Citations (Scopus)

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
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
Publication status	Published - 2015 Feb 1

Bibliographical note

Publisher Copyright:
© 2015, The Optical Society of Japan.

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1007/s10043-015-0031-7

Cite this

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AU - Dholakia, Kishan

PY - 2015/2/1

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

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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