Synthetic optical holography for in-depth imaging of optical vortices in speckle patterns

Synthetic optical holography for in-depth imaging of optical vortices in speckle patterns

In this paper, we report a novel approach based on a lensless Synthetic Optical Holography (SOH) that is aimed to recover the complex scattered field from buried surfaces at different wavelengths with sub-nanometric spectral resolution, without affecting the phase retrieval in depth. The proposed te...

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Main Authors: A. Di Donato, M. Tamagnone, L. Criante, L. Cavanini, D. Mencarelli, G. Ippoliti, L. Pierantoni, G. Orlando, A. Morini, M. Farina
Format: Article
Language:English
Published: AIP Publishing LLC 2019-01-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.5053564
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spelling doaj-ca8ea1a4b3794ce9821c8c8b7d946c032020-11-25T00:17:14ZengAIP Publishing LLCAIP Advances2158-32262019-01-0191015211015211-710.1063/1.5053564050901ADVSynthetic optical holography for in-depth imaging of optical vortices in speckle patternsA. Di Donato0M. Tamagnone1L. Criante2L. Cavanini3D. Mencarelli4G. Ippoliti5L. Pierantoni6G. Orlando7A. Morini8M. Farina9Department of Information Engineering, Università Politecnica delle Marche, Ancona 60131, ItalyHarvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, USACenter for Nano Science and Technology, Istituto Italiano di Tecnologia, Milano 20133, ItalyIndustrial Systems and Control Ltd, Culzean House, 36 Renfield Street, Glasgow G2 1LU, United KingdomDepartment of Information Engineering, Università Politecnica delle Marche, Ancona 60131, ItalyDepartment of Information Engineering, Università Politecnica delle Marche, Ancona 60131, ItalyDepartment of Information Engineering, Università Politecnica delle Marche, Ancona 60131, ItalyDepartment of Information Engineering, Università Politecnica delle Marche, Ancona 60131, ItalyDepartment of Information Engineering, Università Politecnica delle Marche, Ancona 60131, ItalyDepartment of Information Engineering, Università Politecnica delle Marche, Ancona 60131, ItalyIn this paper, we report a novel approach based on a lensless Synthetic Optical Holography (SOH) that is aimed to recover the complex scattered field from buried surfaces at different wavelengths with sub-nanometric spectral resolution, without affecting the phase retrieval in depth. The proposed technique is applied to characterize and image the field scattered from a rough embedded surface of a microfluidic channel. The real and imaginary part of the random complex field revealed the presence of 2D optical vortices at each location in which a phase singularity is located. A statistical study of optical vortices is presented and the high spectral resolution is exploited to study the behavior of topological charges with the frequency shift.http://dx.doi.org/10.1063/1.5053564
collection DOAJ
language English
format Article
sources DOAJ
author A. Di Donato
M. Tamagnone
L. Criante
L. Cavanini
D. Mencarelli
G. Ippoliti
L. Pierantoni
G. Orlando
A. Morini
M. Farina
spellingShingle A. Di Donato
M. Tamagnone
L. Criante
L. Cavanini
D. Mencarelli
G. Ippoliti
L. Pierantoni
G. Orlando
A. Morini
M. Farina
Synthetic optical holography for in-depth imaging of optical vortices in speckle patterns
AIP Advances
author_facet A. Di Donato
M. Tamagnone
L. Criante
L. Cavanini
D. Mencarelli
G. Ippoliti
L. Pierantoni
G. Orlando
A. Morini
M. Farina
author_sort A. Di Donato
title Synthetic optical holography for in-depth imaging of optical vortices in speckle patterns
title_short Synthetic optical holography for in-depth imaging of optical vortices in speckle patterns
title_full Synthetic optical holography for in-depth imaging of optical vortices in speckle patterns
title_fullStr Synthetic optical holography for in-depth imaging of optical vortices in speckle patterns
title_full_unstemmed Synthetic optical holography for in-depth imaging of optical vortices in speckle patterns
title_sort synthetic optical holography for in-depth imaging of optical vortices in speckle patterns
publisher AIP Publishing LLC
series AIP Advances
issn 2158-3226
publishDate 2019-01-01
description In this paper, we report a novel approach based on a lensless Synthetic Optical Holography (SOH) that is aimed to recover the complex scattered field from buried surfaces at different wavelengths with sub-nanometric spectral resolution, without affecting the phase retrieval in depth. The proposed technique is applied to characterize and image the field scattered from a rough embedded surface of a microfluidic channel. The real and imaginary part of the random complex field revealed the presence of 2D optical vortices at each location in which a phase singularity is located. A statistical study of optical vortices is presented and the high spectral resolution is exploited to study the behavior of topological charges with the frequency shift.
url http://dx.doi.org/10.1063/1.5053564
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