Computer-generated holographic optical tweezer arrays

Eric R. Dufresne, Gabriel C. Spalding, Matthew T. Dearing, Steven A. Sheets, David G. Grier

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Holographic techniques significantly extend the capabilities of laser tweezing, making possible extended trapping patterns for manipulating large numbers of particles and volumes of soft matter. We describe practical methods for creating arbitrary configurations of optical tweezers using computer-generated diffractive optical elements. While the discussion focuses on ways to create planar arrays of identical tweezers, the approach can be generalized to three-dimensional arrangements of heterogeneous tweezers and extended trapping patterns.

    Original languageEnglish (US)
    Pages (from-to)1810-1816
    Number of pages7
    JournalReview of Scientific Instruments
    Volume72
    Issue number3
    DOIs
    StatePublished - Mar 2001

    ASJC Scopus subject areas

    • Instrumentation

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