Rotational and translational diffusion of copper oxide nanorods measured with holographic video microscopy

Fook Chiong Cheong, David G. Grier

    Research output: Contribution to journalArticle

    Abstract

    We use holographic video microscopy to track the threedimensional translational and rotational diffusion of copper oxide nanorods suspended in water. Rayleigh-Sommerfeld back-propagation of a single holographic snapshot yields a volumetric reconstruction of the nanorods optical scattering pattern, from which we estimate both its dimensions and also its instantaneous position and orientation. Analyzing a video sequence yields measurements of the freely diffusing nanorods dynamics, from which we estimate the techniques resolution.

    Original languageEnglish (US)
    Pages (from-to)6555-6562
    Number of pages8
    JournalOptics Express
    Volume18
    Issue number7
    DOIs
    StatePublished - Mar 29 2010

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    copper oxides
    nanorods
    microscopy
    estimates
    scattering
    water

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

    Cite this

    Rotational and translational diffusion of copper oxide nanorods measured with holographic video microscopy. / Cheong, Fook Chiong; Grier, David G.

    In: Optics Express, Vol. 18, No. 7, 29.03.2010, p. 6555-6562.

    Research output: Contribution to journalArticle

    Cheong, Fook Chiong ; Grier, David G. / Rotational and translational diffusion of copper oxide nanorods measured with holographic video microscopy. In: Optics Express. 2010 ; Vol. 18, No. 7. pp. 6555-6562.
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