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Size and shape determination of spheroidal scatterers using two-dimensional angle resolved scattering.


ABSTRACT: We demonstrate accurate determination of the size and shape of spherical and spheroidal scatterers through inverse analysis of two-dimensional solid-angle and depth resolved backscattered light intensities. Intensity of scattered light is measured over a wide range of solid angles using a novel scanning fiber optic interferometer from both individual and ensembles of scatterers. T-matrix based inverse analysis of these two-dimensional angular measurements yields completely unique size and aspect ratio determinations with subwavelength precision over a large range of possible scatterer geometries.

SUBMITTER: Giacomelli M 

PROVIDER: S-EPMC3408918 | biostudies-other | 2010 Jul

REPOSITORIES: biostudies-other

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