Long-range one-dimensional longitudinal optical binding

V. Karasek, T. Cizmar, O. Brzobohaty, P. Zemanek, V. Garces-Chavez, K. Dholakia

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    Abstract

    We create extended longitudinally optically bound chains of microparticles with the use of counterpropagating “nondiffracting” light fields, the so-called Bessel beams. The beam homogeneity and extended propagation range allow the creation of 200 µm long chains of organized microparticles. We observe short-range multistability within a single chain and long-range multistability between several distinct chains. Our observations are supported by theoretical results of the coupled dipole method.

    Original languageEnglish
    Article numberARTN 143601
    Number of pages4
    JournalPhysical Review Letters
    Volume101
    Issue number14
    DOIs
    Publication statusPublished - 3 Oct 2008

    Keywords

    • GRAINS
    • PARTICLES
    • FORCE
    • LIGHT
    • ARRAY
    • TRAP
    • DISCRETE-DIPOLE APPROXIMATION

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