Controlling soft matter with intermediate-plane holography
ORAL
Abstract
We introduce an approach to phase-only holography that substantially improves the ability of holographic trapping systems to project propagation-invariant modes of light. This technique, which we call intermediate-plane holography, improves the diffraction efficiency of phase-only holograms by up to 400 times, and extends the range of non-diffracting propation by up to a factor of 1000. The resulting holograms are particularly well suited for projecting accelerating modes of light and long-range tractor beams for transporting colloidal particles and aerosols. We present meter-class tractor beams projected with centimeter-scale optical elements.
*This work was supported primarily by the National Science Foundation through Award no. DMR-1305875 and in part by NASA through Award no. NNX13AK76G and through the NASA Space Technology Research Fellowship program under Award no. NN14AQ40H.
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Presenters
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Argha Mondal
- Department of Physics, New York University