Periodic oscillation of a colloidal disk near a wall in an optical trap

Zhengdong Cheng, Thomas G. Mason, P. M. Chaikin

    Research output: Contribution to journalArticle

    Abstract

    The stable trapping of colloidal disks based on the use of optical tweezers was investigated. The study analyzed the periodic oscillation of a colloidal disk near an optical trap's wall. An instability in the periodic motion was observed when the tweezers pressed the disk against the opposing wall. The resultant 'switchback' oscillations constituted of combined orientational and translational motion of the disk. The observation indicated towards a new degree of freedom in colloidal architectures, that was, the capability of driving translational motion from a static light field energy source.

    Original languageEnglish (US)
    Article number051404
    Pages (from-to)514041-514045
    Number of pages5
    JournalPhysical Review E
    Volume68
    Issue number5 1
    StatePublished - Nov 2003

    Fingerprint

    Trap
    traps
    Oscillation
    oscillations
    translational motion
    Optical Tweezers
    Motion
    Periodic Motion
    energy sources
    Trapping
    degrees of freedom
    Degree of freedom
    trapping
    Energy

    ASJC Scopus subject areas

    • Physics and Astronomy(all)
    • Condensed Matter Physics
    • Statistical and Nonlinear Physics
    • Mathematical Physics

    Cite this

    Cheng, Z., Mason, T. G., & Chaikin, P. M. (2003). Periodic oscillation of a colloidal disk near a wall in an optical trap. Physical Review E, 68(5 1), 514041-514045. [051404].

    Periodic oscillation of a colloidal disk near a wall in an optical trap. / Cheng, Zhengdong; Mason, Thomas G.; Chaikin, P. M.

    In: Physical Review E, Vol. 68, No. 5 1, 051404, 11.2003, p. 514041-514045.

    Research output: Contribution to journalArticle

    Cheng, Z, Mason, TG & Chaikin, PM 2003, 'Periodic oscillation of a colloidal disk near a wall in an optical trap', Physical Review E, vol. 68, no. 5 1, 051404, pp. 514041-514045.
    Cheng Z, Mason TG, Chaikin PM. Periodic oscillation of a colloidal disk near a wall in an optical trap. Physical Review E. 2003 Nov;68(5 1):514041-514045. 051404.
    Cheng, Zhengdong ; Mason, Thomas G. ; Chaikin, P. M. / Periodic oscillation of a colloidal disk near a wall in an optical trap. In: Physical Review E. 2003 ; Vol. 68, No. 5 1. pp. 514041-514045.
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