Examinando por Materia "Wavelength dependence"

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    Chromatic aberration compensation in numerical reconstruction of digital holograms by Fresnel-Bluestein propagation
    (OSA - The Optical Society, 2017-12-15) Hincapie D.; Velasquez D.; Garcia-Sucerquia J.; Universidad EAFIT. Departamento de Ciencias Básicas; Óptica Aplicada
    In this Letter, we present a method for chromatic compensation in numerical reconstruction of digitally recorded holograms based on Fresnel-Bluestein propagation. The proposed technique is applied to correct the chromatic aberration that arises in the reconstruction of RGB holograms of both millimeter-and micrometer-sized objects. The results show the feasibility of this strategy to remove the wavelength dependence of the size of the numerically propagated wavefields. (C) 2017 Optical Society of America