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Correlation Plenoptic Imaging: An Overview

1
Dipartimento Interateneo di Fisica, Università degli Studi di Bari, I-70126 Bari, Italy
2
INFN, Sezione di Bari, I-70126 Bari, Italy
3
Istituto Nazionale di Ottica (INO-CNR), I-50125 Firenze, Italy
*
Authors to whom correspondence should be addressed.
Appl. Sci. 2018, 8(10), 1958; https://doi.org/10.3390/app8101958
Received: 4 September 2018 / Revised: 10 October 2018 / Accepted: 14 October 2018 / Published: 17 October 2018
(This article belongs to the Special Issue Ghost Imaging)
Plenoptic imaging (PI) enables refocusing, depth-of-field (DOF) extension and 3D visualization, thanks to its ability to reconstruct the path of light rays from the lens to the image. However, in state-of-the-art plenoptic devices, these advantages come at the expenses of the image resolution, which is always well above the diffraction limit defined by the lens numerical aperture (NA). To overcome this limitation, we have proposed exploiting the spatio-temporal correlations of light, and to modify the ghost imaging scheme by endowing it with plenoptic properties. This approach, named Correlation Plenoptic Imaging (CPI), enables pushing both resolution and DOF to the fundamental limit imposed by wave-optics. In this paper, we review the methods to perform CPI both with chaotic light and with entangled photon pairs. Both simulations and a proof-of-principle experimental demonstration of CPI will be presented. View Full-Text
Keywords: quantum imaging; quantum entanglement; speckle phenomena; image restoration quantum imaging; quantum entanglement; speckle phenomena; image restoration
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MDPI and ACS Style

Di Lena, F.; Pepe, F.V.; Garuccio, A.; D’Angelo, M. Correlation Plenoptic Imaging: An Overview. Appl. Sci. 2018, 8, 1958.

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