Please use this identifier to cite or link to this item:
http://hdl.handle.net/2445/124679
Title: | Partially-coherent spirally-polarized gradual-edge imaging |
Author: | Pérez Aviñoa, Marcos Martínez-Herrero, Rosario Vallmitjana i Rico, Santiago Latorre-Carmona, Pedro Juvells Prades, Ignacio Carnicer González, Arturo |
Keywords: | Òptica de Fourier Coherència (Òptica) Polarització (Llum) Fourier optics Coherence (Optics) Polarization (Light) |
Issue Date: | 13-Sep-2018 |
Publisher: | Elsevier |
Abstract: | In 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. |
Note: | Versió postprint del document publicat a: https://doi.org/10.1016/j.optlaseng.2018.09.003 |
It is part of: | Optics and Lasers in Engineering, 2018, vol. 112, p. 53-58 |
URI: | http://hdl.handle.net/2445/124679 |
Related resource: | https://doi.org/10.1016/j.optlaseng.2018.09.003 |
ISSN: | 0143-8166 |
Appears in Collections: | Articles publicats en revistes (Física Aplicada) |
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