Volumetric imaging of holographic optical traps

Yohai Roichman, Ilias Cholis, David G. Grier

    Research output: Contribution to journalArticle

    Abstract

    The holographic optical trapping technique creates arbitrary three-dimensional configurations of optical traps, each with individually specified characteristics. Holographic modification of the individual traps' wavefronts can transform conventional point-like optical tweezers into traps with different structures and properties, and can position them independently in three dimensions. Here, we describe a technique for rapidly characterizing holographic optical traps' three-dimensional intensity distributions. We create volumetric representations by by holographically translating the traps through the optical train's focal plane, acquiring a stack of two-dimensional images in the process. We apply this technique to holographic line traps, which are used to create tailored one-dimensional potential energy landscapes for mesoscopic objects. These measurements highlight problems that can arise when projecting extended traps with conventional optics and demonstrates the effectiveness of shape-phase holography for creating nearly ideal line traps.

    Original languageEnglish (US)
    Pages (from-to)10907-10912
    Number of pages6
    JournalOptics Express
    Volume14
    Issue number22
    DOIs
    StatePublished - 2006

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    trapping
    optics
    configurations

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

    Cite this

    Roichman, Y., Cholis, I., & Grier, D. G. (2006). Volumetric imaging of holographic optical traps. Optics Express, 14(22), 10907-10912. https://doi.org/10.1364/OE.14.010907

    Volumetric imaging of holographic optical traps. / Roichman, Yohai; Cholis, Ilias; Grier, David G.

    In: Optics Express, Vol. 14, No. 22, 2006, p. 10907-10912.

    Research output: Contribution to journalArticle

    Roichman, Y, Cholis, I & Grier, DG 2006, 'Volumetric imaging of holographic optical traps', Optics Express, vol. 14, no. 22, pp. 10907-10912. https://doi.org/10.1364/OE.14.010907
    Roichman, Yohai ; Cholis, Ilias ; Grier, David G. / Volumetric imaging of holographic optical traps. In: Optics Express. 2006 ; Vol. 14, No. 22. pp. 10907-10912.
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