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19 November 2003 Optical tomography of phase objects with spatial filtering
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Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.523843
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy
Abstract
A tomographic system which includes a spatial filter suitable to detect phase projections is described. This system is expecting to render 2-D images of slices of transparent object distributions employing well-known tomographic reconstruction techniques for parallel projections. Real and complex spatial filters are considered, including very classical Schlieren filtering techniques, as dark field, Foucault knife-edge, phase-knife edge, phase contrast and others. More recent methods, as fractional methods (fractional derivatives and fractional Hilbert) are also considered. Experimental results using real filters and glass samples are also included.
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Manuel Munoz-Martinez, Gustavo Rodriguez-Zurita, Jesus Jimenez-Garcia, and Salvador Hernandez-Oliver "Optical tomography of phase objects with spatial filtering", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.523843
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