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Three-dimensional depth-resolved and extended-resolution micro-particle characterization by holographic light scattering spectroscopy

Gutzler, T., Hillman, T.R., Alexandrov, S.A. and Sampson, D.D. (2010) Three-dimensional depth-resolved and extended-resolution micro-particle characterization by holographic light scattering spectroscopy Optics Express, 18 (24). pp. 25116-25126.

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Abstract

Fourier-holographic light scattering spectroscopy is applied to record complex angular scattering spectra of two- and three-dimensional samples over a wide field of view. We introduce a computational depth sectioning technique and, for the first time, demonstrate that a single-exposure hologram can generate a quantitative, three-dimensional map of particle sizes and locations over several cubic millimeters with micrometer resolution. Such spatially resolved maps of particle sizes are generated by Mie-inversion and could not be ascertained from the directly reconstructed intensity-distribution images. We also demonstrate synthesis of multiple angular scattering intensity spectra to increase the angular range and improve size detection sensitivity.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences
Faculty of Health and Medical Sciences
Authors :
NameEmailORCID
Gutzler, T.
Hillman, T.R.
Alexandrov, S.A.
Sampson, D.D.d.sampson@surrey.ac.uk
Date : 2010
DOI : 10.1364/OE.18.025116
Uncontrolled Keywords : Light scattering, Refraction, Three dimensional, Angular range, Angular scattering, Computational depth, Depth-resolved, Fourier, Light scattering spectroscopy, Particle Characterization, Size detection, Spatially resolved, Wide field of view, Scattering, microsphere, article, holography, image enhancement, light, methodology, particle size, radiation scattering, spectroscopy, three dimensional imaging, Holography, Image Enhancement, Imaging, Three-Dimensional, Light, Microspheres, Particle Size, Scattering, Radiation, Spectrum Analysis
Depositing User : Maria Rodriguez-Marquez
Date Deposited : 06 Jun 2018 11:15
Last Modified : 19 Sep 2018 11:32
URI: http://epubs.surrey.ac.uk/id/eprint/846862

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