Influence of particle size and concentration on the diffuse backscattering of polarized light from tissue phantoms and biological cell suspensions

Andreas H. Hielscher, Judith R. Mourant, Irving J. Bigio

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We present experimental results that show the spatial variations of the diffuse-backscattered intensity when linearly polarized light is incident upon highly scattering media. Experiments on polystyrenesphere and Intralipid suspensions demonstrate that the radial and azimuthal variations of the observed pattern depend on the concentration, size, and anisotropy factor g of the particles that constitute the scattering medium. Measurements performed on biological-cell suspensions show the potential of this method for cell characterization.

    Original languageEnglish (US)
    Pages (from-to)125-135
    Number of pages11
    JournalApplied Optics
    Volume36
    Issue number1
    DOIs
    StatePublished - Jan 1 1997

    Keywords

    • Multiple scattering
    • Optical diagnostics for medicine
    • Polarization

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics
    • Engineering (miscellaneous)
    • Electrical and Electronic Engineering

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