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DYNA
versión impresa ISSN 0012-7353versión On-line ISSN 2346-2183
Resumen
J. LORA, GABRIEL; MUNERA, NATALIA y GARCIA-SUCERQUIA, JORGE. MODELLING AND RECONSTRUCTION OF GABOR-TYPE HOLOGRAMS. Dyna rev.fac.nac.minas [online]. 2011, vol.78, n.166, pp.81-88. ISSN 0012-7353.
The processes of modelling and reconstruction of holograms are based on the calculation of the diffraction integral either on its kirchhoff-fresnel or rayleight-sommerfeld formulation. Numerically, such an integral can be evaluated via different approaches: the convolution theorem, angular spectrum, and fresnel transform, among others. In this paper, the modelling of gabor-type in-line holograms of opaque particles of different diameters is presented. Those holograms are thereafter reconstructed by the numerical evaluation of the diffraction process that a spherical wavefront undergoes when it illuminates the hologram. The modelling-reconstruction process is employed for studying the performance of digital in-line holographic microscopy while the concentration of a simulated monodispersed monolayer is varied.
Palabras clave : Digital in-line holographic microscopy; diffraction; hologram reconstruction; microscopy.