Classification of optically trapped particles: A comparison between optical fiber tweezers and conventional setups

The classification of the type of trapped particles is a crucial task for an efficient integration of optical-tweezers in intelligent microfluidic devices. In the recent years, the use of the temporal scattering signal of the trapped particle paved for the use of versatile optical fiber solutions fo...

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Autores principales:	Pedro A.S. Jorge, Inês A. Carvalho, Filipe M. Marques, Vanessa Pinto, Paulo H. Santos, Sandra M. Rodrigues, Simão P. Faria, Joana S. Paiva, Nuno A. Silva
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Optical tweezers Fiber optical tweezers Optics. Light QC350-467
Acceso en línea:	https://doaj.org/article/1078bfd6da404fedb2880b0fa1b9e86d
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spelling	oai:doaj.org-article:1078bfd6da404fedb2880b0fa1b9e86d2021-11-16T04:11:36ZClassification of optically trapped particles: A comparison between optical fiber tweezers and conventional setups2666-950110.1016/j.rio.2021.100178https://doaj.org/article/1078bfd6da404fedb2880b0fa1b9e86d2021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2666950121001231https://doaj.org/toc/2666-9501The classification of the type of trapped particles is a crucial task for an efficient integration of optical-tweezers in intelligent microfluidic devices. In the recent years, the use of the temporal scattering signal of the trapped particle paved for the use of versatile optical fiber solutions for performing such tasks, a feature previously unavailable as most methods required conventional optical tweezer setups. This work presents a comprehensive comparison of performances achieved with two distinct implementations – i)optical fiber and ii)conventional optical tweezers – for the classification of the material of particles through the analysis of the scattering signal with machine learning algorithms. The results suggest that while micron-sized particles can be accurately classified using the forward scattering information in conventional optical tweezers, when equipped with a quadrant photodetector, the optical fiber tweezers solutions can easily surpass its performance using the back-scattered information if the laser is modulated. Together with the advantages of being simpler, less expensive and more versatile, the results presented suggest that optical fiber solutions can become a valuable tool for miniaturization and integration of intelligent microfluidic devices working towards nanoscopic scales.Pedro A.S. JorgeInês A. CarvalhoFilipe M. MarquesVanessa PintoPaulo H. SantosSandra M. RodriguesSimão P. FariaJoana S. PaivaNuno A. SilvaElsevierarticleOptical tweezersFiber optical tweezersOptics. LightQC350-467ENResults in Optics, Vol 5, Iss , Pp 100178- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Optical tweezers Fiber optical tweezers Optics. Light QC350-467
spellingShingle	Optical tweezers Fiber optical tweezers Optics. Light QC350-467 Pedro A.S. Jorge Inês A. Carvalho Filipe M. Marques Vanessa Pinto Paulo H. Santos Sandra M. Rodrigues Simão P. Faria Joana S. Paiva Nuno A. Silva Classification of optically trapped particles: A comparison between optical fiber tweezers and conventional setups
description	The classification of the type of trapped particles is a crucial task for an efficient integration of optical-tweezers in intelligent microfluidic devices. In the recent years, the use of the temporal scattering signal of the trapped particle paved for the use of versatile optical fiber solutions for performing such tasks, a feature previously unavailable as most methods required conventional optical tweezer setups. This work presents a comprehensive comparison of performances achieved with two distinct implementations – i)optical fiber and ii)conventional optical tweezers – for the classification of the material of particles through the analysis of the scattering signal with machine learning algorithms. The results suggest that while micron-sized particles can be accurately classified using the forward scattering information in conventional optical tweezers, when equipped with a quadrant photodetector, the optical fiber tweezers solutions can easily surpass its performance using the back-scattered information if the laser is modulated. Together with the advantages of being simpler, less expensive and more versatile, the results presented suggest that optical fiber solutions can become a valuable tool for miniaturization and integration of intelligent microfluidic devices working towards nanoscopic scales.
format	article
author	Pedro A.S. Jorge Inês A. Carvalho Filipe M. Marques Vanessa Pinto Paulo H. Santos Sandra M. Rodrigues Simão P. Faria Joana S. Paiva Nuno A. Silva
author_facet	Pedro A.S. Jorge Inês A. Carvalho Filipe M. Marques Vanessa Pinto Paulo H. Santos Sandra M. Rodrigues Simão P. Faria Joana S. Paiva Nuno A. Silva
author_sort	Pedro A.S. Jorge
title	Classification of optically trapped particles: A comparison between optical fiber tweezers and conventional setups
title_short	Classification of optically trapped particles: A comparison between optical fiber tweezers and conventional setups
title_full	Classification of optically trapped particles: A comparison between optical fiber tweezers and conventional setups
title_fullStr	Classification of optically trapped particles: A comparison between optical fiber tweezers and conventional setups
title_full_unstemmed	Classification of optically trapped particles: A comparison between optical fiber tweezers and conventional setups
title_sort	classification of optically trapped particles: a comparison between optical fiber tweezers and conventional setups
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/1078bfd6da404fedb2880b0fa1b9e86d
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Classification of optically trapped particles: A comparison between optical fiber tweezers and conventional setups

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