Single-pixel terahertz imaging: a review

This paper is devoted to reviewing the results achieved so far in the application of the single-pixel imaging technique to terahertz (THz) systems. The use of THz radiation for imaging purposes has been largely explored in the last twenty years, due to the unique capabilities of this kind of radiati...

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Autores principales:	Zanotto Luca, Piccoli Riccardo, Dong Junliang, Morandotti Roberto, Razzari Luca
Formato:	article
Lenguaje:	EN
Publicado:	Institue of Optics and Electronics, Chinese Academy of Sciences 2020
Materias:	terahertz imaging single-pixel imaging compressed sensing Optics. Light QC350-467
Acceso en línea:	https://doaj.org/article/ee81ebf00d9047a7940ad5e288fc56a3
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spelling	oai:doaj.org-article:ee81ebf00d9047a7940ad5e288fc56a32021-11-10T10:02:57ZSingle-pixel terahertz imaging: a review2096-457910.29026/oea.2020.200012https://doaj.org/article/ee81ebf00d9047a7940ad5e288fc56a32020-09-01T00:00:00Zhttp://www.oejournal.org/article/doi/10.29026/oea.2020.200012https://doaj.org/toc/2096-4579This paper is devoted to reviewing the results achieved so far in the application of the single-pixel imaging technique to terahertz (THz) systems. The use of THz radiation for imaging purposes has been largely explored in the last twenty years, due to the unique capabilities of this kind of radiation in interrogating material properties. However, THz imaging systems are still limited by the long acquisition time required to reconstruct the object image and significant efforts have been recently directed to overcome this drawback. One of the most promising approaches in this sense is the so-called "single-pixel" imaging, which in general enables image reconstruction by patterning the beam probing the object and measuring the total transmission (or reflection) with a single-pixel detector (i.e., with no spatial resolution). The main advantages of such technique are that i) no bulky moving parts are required to raster-scan the object and ii) compressed sensing (CS) algorithms, which allow an appropriate reconstruction of the image with an incomplete set of measurements, can be successfully implemented. Overall, this can result in a reduction of the acquisition time. In this review, we cover the experimental solutions proposed to implement such imaging technique at THz frequencies, as well as some practical uses for typical THz applications.Zanotto LucaPiccoli RiccardoDong JunliangMorandotti RobertoRazzari LucaInstitue of Optics and Electronics, Chinese Academy of Sciencesarticleterahertz imagingsingle-pixel imagingcompressed sensingOptics. LightQC350-467ENOpto-Electronic Advances, Vol 3, Iss 9, Pp 200012-1-200012-15 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	terahertz imaging single-pixel imaging compressed sensing Optics. Light QC350-467
spellingShingle	terahertz imaging single-pixel imaging compressed sensing Optics. Light QC350-467 Zanotto Luca Piccoli Riccardo Dong Junliang Morandotti Roberto Razzari Luca Single-pixel terahertz imaging: a review
description	This paper is devoted to reviewing the results achieved so far in the application of the single-pixel imaging technique to terahertz (THz) systems. The use of THz radiation for imaging purposes has been largely explored in the last twenty years, due to the unique capabilities of this kind of radiation in interrogating material properties. However, THz imaging systems are still limited by the long acquisition time required to reconstruct the object image and significant efforts have been recently directed to overcome this drawback. One of the most promising approaches in this sense is the so-called "single-pixel" imaging, which in general enables image reconstruction by patterning the beam probing the object and measuring the total transmission (or reflection) with a single-pixel detector (i.e., with no spatial resolution). The main advantages of such technique are that i) no bulky moving parts are required to raster-scan the object and ii) compressed sensing (CS) algorithms, which allow an appropriate reconstruction of the image with an incomplete set of measurements, can be successfully implemented. Overall, this can result in a reduction of the acquisition time. In this review, we cover the experimental solutions proposed to implement such imaging technique at THz frequencies, as well as some practical uses for typical THz applications.
format	article
author	Zanotto Luca Piccoli Riccardo Dong Junliang Morandotti Roberto Razzari Luca
author_facet	Zanotto Luca Piccoli Riccardo Dong Junliang Morandotti Roberto Razzari Luca
author_sort	Zanotto Luca
title	Single-pixel terahertz imaging: a review
title_short	Single-pixel terahertz imaging: a review
title_full	Single-pixel terahertz imaging: a review
title_fullStr	Single-pixel terahertz imaging: a review
title_full_unstemmed	Single-pixel terahertz imaging: a review
title_sort	single-pixel terahertz imaging: a review
publisher	Institue of Optics and Electronics, Chinese Academy of Sciences
publishDate	2020
url	https://doaj.org/article/ee81ebf00d9047a7940ad5e288fc56a3
work_keys_str_mv	AT zanottoluca singlepixelterahertzimagingareview AT piccoliriccardo singlepixelterahertzimagingareview AT dongjunliang singlepixelterahertzimagingareview AT morandottiroberto singlepixelterahertzimagingareview AT razzariluca singlepixelterahertzimagingareview
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Single-pixel terahertz imaging: a review

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