Biaxial crystal-based optical tweezers

Oleg V. Angelsky, Andrew P. Maksimyak, Peter P. Maksimyak, Steen Grüner Hanson

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    We suggest an optical tweezer setup based on an optically biaxial crystal. To control movements of opaque particles, we use shifts. The results of experimental studies are reported which are concerned with this laser tweezer setup. We demonstrate a movement of microparticles of toner using a singular-optical trap, rotation of particles due to orbital angular momentum of the field, and converging or diverging of two different traps when changing transmission plane of polariser at the input of our polarisation interferometer.
    Original languageEnglish
    JournalUkrainian Journal of Physical Optics
    Volume11
    Issue number2
    Pages (from-to)99-106
    ISSN1609-1833
    DOIs
    Publication statusPublished - 2010

    Keywords

    • biaxial crystals
    • optical tweezers
    • shift polarisation interferometer
    • singular-optical trap

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