Optical solenoid beams

Sang Hyuk Lee, Yohai Roichman, David G. Grier

    Research output: Contribution to journalArticle

    Abstract

    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.

    Original languageEnglish (US)
    Pages (from-to)6988-6993
    Number of pages6
    JournalOptics Express
    Volume18
    Issue number7
    DOIs
    StatePublished - Mar 29 2010

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    solenoids
    Helmholtz equations
    upstream
    microscopy
    propagation
    diffraction

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

    Cite this

    Lee, S. H., Roichman, Y., & Grier, D. G. (2010). Optical solenoid beams. Optics Express, 18(7), 6988-6993. https://doi.org/10.1364/OE.18.006988

    Optical solenoid beams. / Lee, Sang Hyuk; Roichman, Yohai; Grier, David G.

    In: Optics Express, Vol. 18, No. 7, 29.03.2010, p. 6988-6993.

    Research output: Contribution to journalArticle

    Lee, SH, Roichman, Y & Grier, DG 2010, 'Optical solenoid beams', Optics Express, vol. 18, no. 7, pp. 6988-6993. https://doi.org/10.1364/OE.18.006988
    Lee SH, Roichman Y, Grier DG. Optical solenoid beams. Optics Express. 2010 Mar 29;18(7):6988-6993. https://doi.org/10.1364/OE.18.006988
    Lee, Sang Hyuk ; Roichman, Yohai ; Grier, David G. / Optical solenoid beams. In: Optics Express. 2010 ; Vol. 18, No. 7. pp. 6988-6993.
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