Projecting extended optical traps with shape-phase holography

Yohai Roichman, David G. Grier

    Research output: Contribution to journalArticle

    Abstract

    We describe a method for projecting single-beam optical traps whose potential energy wells are extended along one-dimensional curves. This technique exploits shape-phase holography in which computer-generated phase-only diffractive optical elements are used to implement complex and amplitude-only holograms. The resulting optical traps can have specified intensity and phase profiles along their lengths and can extend along curves in three dimensions. We demonstrate the extended traps' operation and characterize their potential energy profiles through digital video microscopy of trapped colloidal spheres.

    Original languageEnglish (US)
    Pages (from-to)1675-1677
    Number of pages3
    JournalOptics Letters
    Volume31
    Issue number11
    DOIs
    StatePublished - Jun 1 2006

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    holography
    traps
    potential energy
    curves
    profiles
    microscopy

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

    Cite this

    Projecting extended optical traps with shape-phase holography. / Roichman, Yohai; Grier, David G.

    In: Optics Letters, Vol. 31, No. 11, 01.06.2006, p. 1675-1677.

    Research output: Contribution to journalArticle

    Roichman, Yohai ; Grier, David G. / Projecting extended optical traps with shape-phase holography. In: Optics Letters. 2006 ; Vol. 31, No. 11. pp. 1675-1677.
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