Dynamic array of dark optical traps

V.R. Daria, P.J. Rodrigo, J. Glückstad

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    A dynamic array of dark optical traps is generated for simultaneous trapping and arbitrary manipulation of multiple low-index microstructures. The dynamic intensity patterns forming the dark optical trap arrays are generated using a nearly loss-less phase-to-intensity conversion of a phase-encoded coherent light source. Two-dimensional input phase distributions corresponding to the trapping patterns are encoded using a computer-programmable spatial light modulator, enabling each trap to be shaped and moved arbitrarily within the plane of observation. We demonstrate the generation of multiple dark optical traps for simultaneous manipulation of hollow "air-filled" glass microspheres suspended in an aqueous medium. (C) 2004 American Institute of Physics.
    Original languageEnglish
    JournalApplied Physics Letters
    Volume84
    Issue number3
    Pages (from-to)323-325
    ISSN0003-6951
    DOIs
    Publication statusPublished - 2004

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