Trapping and manipulation of low-index particles in a two-dimensional interferometric optical trap

M. P. MacDonald, L. Paterson, W. Sibbett, K. Dholakia, P. E. Bryant

    Research output: Contribution to journalArticle

    111 Citations (Scopus)

    Abstract

    We demonstrate optical trapping and manipulation of low-index spheres in two dimensions, using the pattern produced by two interfering plane waves. This technique shows, for what is believed to be the first time, alignment of an array of hollow spheres and simultaneous manipulation of high- and low-index particles in the horizontal plane. Furthermore, rodlike particles (up to 30µm in length) are manipulated simultaneously with the low-index particles. This technique offers a practical method for manipulating bubbles, low-index droplets, or rodlike biological samples. © 2001 Optical Society of America
    Original languageEnglish
    Pages (from-to)863-865
    Number of pages3
    JournalOptics Letters
    Volume26
    Issue number12
    DOIs
    Publication statusPublished - Jun 2001

    Keywords

    • Lasers and laser optics
    • Laser trapping
    • Medical optics
    • Biotechnology
    • Optical confinement and manipulation
    • Particles

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