determination of the size of irregular particles using interferometric out-of-focus imaging

Clicks: 165
ID: 182171
2014
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Ranked #53 of 76 articles by views in Journal of environmental sciences (China)

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Abstract
We present a mathematical formalism to predict speckle-like interferometric out-of-focus patterns created by irregular scattering objects. We describe the objects by an ensemble of Dirac emitters. We show that it is not necessary to describe rigorously the scattering properties of an elliptical irregular object to predict some physical properties of the interferometric out-of-focus pattern. The fit of the central peak of the 2D autocorrelation of the pattern allows the prediction of the size of the scattering element. The method can be applied to particles in a size range from a tenth of micrometers to the millimeter.
Reference Key
brunel2014internationaldetermination Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Marc Brunel;Huanhuan Shen;Sébastien Coëtmellec;Gérard Gréhan;Tony Delobel
Journal Journal of environmental sciences (China)
Year 2014
DOI
10.1155/2014/143904
URL
http://dx.doi.org/10.1155/2014/143904
Keywords
optics light

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