Four-dimensional optical manipulation of colloidal particles

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

    Research output: Contribution to journalJournal articleResearchpeer-review


    We transform a TEM00 laser mode into multiple counterpropagating optical traps to achieve four-dimensional simultaneous manipulation of multiple particles. Efficient synthesis and dynamic control of the counterpropagating-beam traps is carried out via the generalized phase contrast method, and a spatial polarization-encoding scheme. Our experiments genuinely demonstrate real-time, interactive particle-position control for forming arbitrary volumetric constellations and complex three-dimensional trajectories of multiple particles. This opens up doors for cross-disciplinary cutting-edge research in various fields. (C) 2005 American Institute of Physics.
    Original languageEnglish
    JournalApplied Physics Letters
    Issue number7
    Pages (from-to)074103
    Number of pages3
    Publication statusPublished - 2005


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