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Numerical Models for Exact Description of in-situ Digital In-Line Holography Experiments with Irregularly-Shaped Arbitrarily-Located Particles

CORIA-UMR6614, Normandie Université, CNRS, Université et INSA de Rouen, Avenue de l'Université, BP 12, 76801 Saint-Etienne du Rouvray cedex, France
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Academic Editor: Takayoshi Kobayashi
Appl. Sci. 2015, 5(2), 62-76; https://doi.org/10.3390/app5020062
Received: 12 February 2015 / Accepted: 15 April 2015 / Published: 22 April 2015
(This article belongs to the Special Issue Feature Papers)
We present the development of a numerical simulator for digital in-line holography applications. In-line holograms of arbitrarily shaped and arbitrarily located objects are calculated using generalized Huygens-Fresnel integrals. The objects are 2D opaque or phase objects. The optical set-up is described by its optical transfer matrix. A wide variety of optical systems, involving windows, spherical or cylindrical lenses, can thus be taken into account. It makes the simulator applicable for design and description of in situ experiments. We discuss future applications of this simulator for detection of nanoparticles in droplets, or calibration of airborne instruments that detect and measure ice crystals in the atmosphere. View Full-Text
Keywords: digital holography; transfer matrices; phase contrast; ice crystals; nanoparticles digital holography; transfer matrices; phase contrast; ice crystals; nanoparticles
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Brunel, M.; Wichitwong, W.; Coetmellec, S.; Masselot, A.; Lebrun, D.; Gréhan, G.; Edouard, G. Numerical Models for Exact Description of in-situ Digital In-Line Holography Experiments with Irregularly-Shaped Arbitrarily-Located Particles. Appl. Sci. 2015, 5, 62-76.

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