Optical solenoid beams | Zendy

Sang-Hyuk Lee | Zendy; Yohai Roichman | Zendy; David G. Grier | Zendy

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Optical solenoid beams

Author(s) -

Sang-Hyuk Lee,

Yohai Roichman,

David G. Grier

Publication year - 2010

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.18.006988

Subject(s) - optics , physics , solenoid , collimated light , diffraction , wavefront , beam (structure) , light beam , holography , helmholtz equation , optical vortex , plane (geometry) , laser , geometry , quantum mechanics , boundary value problem , mathematics

We introduce optical solenoid beams, diffractionless solutions of the Helmholtz equation whose diffraction-limited in-plane intensity peak spirals around the optical axis, and whose wavefronts carry an independent helical pitch. Unlike other collimated beams of light, appropriately designed solenoid beams have the noteworthy property of being able to exert forces on illuminated objects that are directed opposite to the direction of the light's propagation. We demonstrate this through video microscopy observations of a colloidal sphere moving upstream along a holographically projected optical solenoid beam.

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