Combination of scanning probe technology with photonic nanojets

Abstract Light focusing through a microbead leads to the formation of a photonic nanojet functional for enhancing the spatial resolution of traditional optical systems. Despite numerous works that prove this phenomenon, a method to appropriately translate the nanojet on top of a region of interest i...

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Autores principales:	Martí Duocastella, Francesco Tantussi, Ali Haddadpour, Remo Proietti Zaccaria, Andrea Jacassi, Georgios Veronis, Alberto Diaspro, Francesco De Angelis
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/1acab2c8707942ca9754ba05f3755a2c
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spelling	oai:doaj.org-article:1acab2c8707942ca9754ba05f3755a2c2021-12-02T15:05:09ZCombination of scanning probe technology with photonic nanojets10.1038/s41598-017-03726-52045-2322https://doaj.org/article/1acab2c8707942ca9754ba05f3755a2c2017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-03726-5https://doaj.org/toc/2045-2322Abstract Light focusing through a microbead leads to the formation of a photonic nanojet functional for enhancing the spatial resolution of traditional optical systems. Despite numerous works that prove this phenomenon, a method to appropriately translate the nanojet on top of a region of interest is still missing. Here, by using advanced 3D fabrication techniques we integrated a microbead on an AFM cantilever thus realizing a system to efficiently position nanojets. This fabrication approach is robust and can be exploited in a myriad of applications, ranging from microscopy to Raman spectroscopy. We demonstrate the potential of portable nanojets by imaging different sub-wavelength structures. Thanks to the achieved portability, we were able to perform a detailed optical characterization of the resolution enhancement induced by the microbead, which sheds light into the many contradictory resolution claims present in literature. Our conclusions are strongly supported by rigorous data analysis and by numerical simulations, all in perfect agreement with experimental results.Martí DuocastellaFrancesco TantussiAli HaddadpourRemo Proietti ZaccariaAndrea JacassiGeorgios VeronisAlberto DiasproFrancesco De AngelisNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-7 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Martí Duocastella Francesco Tantussi Ali Haddadpour Remo Proietti Zaccaria Andrea Jacassi Georgios Veronis Alberto Diaspro Francesco De Angelis Combination of scanning probe technology with photonic nanojets
description	Abstract Light focusing through a microbead leads to the formation of a photonic nanojet functional for enhancing the spatial resolution of traditional optical systems. Despite numerous works that prove this phenomenon, a method to appropriately translate the nanojet on top of a region of interest is still missing. Here, by using advanced 3D fabrication techniques we integrated a microbead on an AFM cantilever thus realizing a system to efficiently position nanojets. This fabrication approach is robust and can be exploited in a myriad of applications, ranging from microscopy to Raman spectroscopy. We demonstrate the potential of portable nanojets by imaging different sub-wavelength structures. Thanks to the achieved portability, we were able to perform a detailed optical characterization of the resolution enhancement induced by the microbead, which sheds light into the many contradictory resolution claims present in literature. Our conclusions are strongly supported by rigorous data analysis and by numerical simulations, all in perfect agreement with experimental results.
format	article
author	Martí Duocastella Francesco Tantussi Ali Haddadpour Remo Proietti Zaccaria Andrea Jacassi Georgios Veronis Alberto Diaspro Francesco De Angelis
author_facet	Martí Duocastella Francesco Tantussi Ali Haddadpour Remo Proietti Zaccaria Andrea Jacassi Georgios Veronis Alberto Diaspro Francesco De Angelis
author_sort	Martí Duocastella
title	Combination of scanning probe technology with photonic nanojets
title_short	Combination of scanning probe technology with photonic nanojets
title_full	Combination of scanning probe technology with photonic nanojets
title_fullStr	Combination of scanning probe technology with photonic nanojets
title_full_unstemmed	Combination of scanning probe technology with photonic nanojets
title_sort	combination of scanning probe technology with photonic nanojets
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/1acab2c8707942ca9754ba05f3755a2c
work_keys_str_mv	AT martiduocastella combinationofscanningprobetechnologywithphotonicnanojets AT francescotantussi combinationofscanningprobetechnologywithphotonicnanojets AT alihaddadpour combinationofscanningprobetechnologywithphotonicnanojets AT remoproiettizaccaria combinationofscanningprobetechnologywithphotonicnanojets AT andreajacassi combinationofscanningprobetechnologywithphotonicnanojets AT georgiosveronis combinationofscanningprobetechnologywithphotonicnanojets AT albertodiaspro combinationofscanningprobetechnologywithphotonicnanojets AT francescodeangelis combinationofscanningprobetechnologywithphotonicnanojets
_version_	1718388877346996224

Combination of scanning probe technology with photonic nanojets

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