Journal
OPTICS COMMUNICATIONS
Volume 338, Issue -, Pages 193-198Publisher
ELSEVIER
DOI: 10.1016/j.optcom.2014.10.053
Keywords
Interferometric out-of focus imaging; Optical transfer matrices; Rough objects; Morphology
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Using a simplified description, we show that the Fourier transform of the speckle-like out-of-focus image of an irregular rough particle is given by the 2 dimensional-autocorrelation of the shape of the particle. Experiments confirm well this result. Using a matrix transfer based-formulation, we further determine the exact scaling factors between both functions, whatever the imaging system is. (C) 2014 Elsevier B.V. All rights reserved.
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