Pérez Aviñoa, MarcosMartínez-Herrero, RosarioVallmitjana i Rico, SantiagoLatorre-Carmona, PedroJuvells Prades, IgnacioCarnicer González, Arturo2018-09-192020-09-132018-09-130143-8166https://hdl.handle.net/2445/124679In this work we develop a partially-coherent spirally-polarized imaging system for generating gradual edge detection images. A rotating diffuser is used for producing illumination sources with tunable degree of coherence. Using a 4f configuration, the frequency content of the image is modified by means of a vortex half-wave retarder as a spatial filter. Accordingly, we analytically describe a spirally-polarized imaging system illuminated with a Gauss-Schell source using paraxial coherence-polarization theory. Numerical simulations and experimental results demonstrate the validity of our approach. We use a referenceless spatial content descriptor to assess the quality of the recorded images as a function of the coherence state of the source.12 p.application/pdfengcc-by-nc-nd (c) Elsevier, 2018http://creativecommons.org/licenses/by-nc-nd/3.0/esÒptica de FourierCoherència (Òptica)Polarització (Llum)Fourier opticsCoherence (Optics)Polarization (Light)info:eu-repo/semantics/article6819172018-09-19info:eu-repo/semantics/openAccess