14 September 2005 High-resolution ghost image and ghost diffraction experiments with incoherent pseudo-thermal light
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Abstract
High-resolution ghost image and ghost diffraction are performed by using a single source of pseudo-thermal speckle light divided by a beam splitter. By only operating on the optical setup of the light in the reference arm, that never interacted with the object, we are able to pass from the image to the diffraction pattern. The product of spatial resolutions of the ghost image and ghost diffraction experiments is shown to overcome a limit which was formerly thought to be achievable only with entangled photons. A complementarity between the spatial coherence of the beams and their mutual correlation is demonstrated by showing a complementarity between ghost diffraction and ordinary diffraction patterns.
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A. Gatti, D. Magatti, M. Bache, E. Brambilla, F. Ferri, L. A. Lugiato, "High-resolution ghost image and ghost diffraction experiments with incoherent pseudo-thermal light", Proc. SPIE 5893, Quantum Communications and Quantum Imaging III, 58930D (14 September 2005); doi: 10.1117/12.614808; https://doi.org/10.1117/12.614808
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