Zobrazeno 1 - 10 of 21 pro vyhledávání: '"Luca Leggio"'
1
Akademický článek
Spatiotemporal beam self-cleaning for high-resolution nonlinear fluorescence imaging with multimode fiber
Autor: Nawell Ould Moussa, Tigran Mansuryan, Charles-Henri Hage, Marc Fabert, Katarzyna Krupa, Alessandro Tonello, Mario Ferraro, Luca Leggio, Mario Zitelli, Fabio Mangini, Alioune Niang, Guy Millot, Massimiliano Papi, Stefan Wabnitz, Vincent Couderc
Publikováno v: Scientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
Abstract Beam self-cleaning (BSC) in graded-index (GRIN) multimode fibers (MMFs) has been recently reported by different research groups. Driven by the interplay between Kerr effect and beam self-imaging, BSC counteracts random mode coupling, and for
Externí odkaz: https://doaj.org/article/21f7cc9048ee47b488c22f18a0b5640e
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2
Akademický článek
Ultrafast Laser Patterning of Metals Commonly Used in Medical Industry: Surface Roughness Control with Energy Gradient Pulse Sequences
Autor: Luca Leggio, Yoan Di Maio, Alina Pascale-Hamri, Gregory Egaud, Stephanie Reynaud, Xxx Sedao, Cyril Mauclair
Publikováno v: Micromachines, Vol 14, Iss 2, p 251 (2023)
Ultrafast laser ablation is widely used as a versatile method for accurate micro-machining of polymers, glasses and metals for a variety of industrial and biomedical applications. We report on the use of a novel process parameter, the modulation of t
Externí odkaz: https://doaj.org/article/adbe37661ed641c4ab51730efdfd42d0
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3
Akademický článek
Invited Article: Experimental evaluation of gold nanoparticles as infrared scatterers for advanced cardiovascular optical imaging
Autor: Jie Hu, Diego Romero Abujetas, Dionysia Tsoutsi, Luca Leggio, Fernando Rivero, Emma Martín Rodríguez, Río Aguilar Torres, José A. Sánchez-Gil, Héctor Loro Ramírez, Daniel Gallego, Horacio Lamela Rivera, Pilar Rivera Gil, Fernando Alfonso, José García Solé, Daniel Jaque
Publikováno v: APL Photonics, Vol 3, Iss 8, Pp 080803-080803-13 (2018)
The tremendous impact that cardiovascular diseases have in modern society is motivating the research of novel imaging techniques that would make possible early diagnosis and, therefore, efficient treatments. Cardiovascular optical coherence tomogra
Externí odkaz: https://doaj.org/article/b2434028040d442182e3103b01742117
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4
Spatiotemporal guided bullets in multimode fiber
Autor: Mario Zitelli, Vincent Couderc, Stefan Wabnitz, Luca Leggio, Tobias Hansson, Denis S. Kharenko, Alessandro Tonello, Alioune Niang, M. Ferraro, Fabio Mangini
Publikováno v: Nonlinear Frequency Generation and Conversion: Materials and Devices XX
Archivio della ricerca-Università di Roma La Sapienza
Beam self-imaging of ultrashort pulses in nonlinear graded-index (GRIN) multimode optical fibers is of interest for many applications, including spatiotemporal mode-locking in fiber lasers. We obtained a new analytical description for the nonlinear e
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4c95029f242a198d0ca16bcff02c9bea
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5
Beam-shaping design for multi-wavelength diode laser stack system coupled into optical fiber for biomedical applications
Autor: Daniel Gallego, Luca Leggio, S.B. Gawali, O. de Varona, B. Wiśniowski
Publikováno v: Results in Optics, Vol 5, Iss, Pp 100150-(2021)
e-Archivo. Repositorio Institucional de la Universidad Carlos III de Madrid
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Multispectral diode laser sources are extensively used for a variety of applications involving the identification of small objects based on their spectral signature. Although the power scaling of single emitters is severely limited, they are easily s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b20acc0c215b3e9e5ba50e1e647dd1bf
https://doi.org/10.1016/j.rio.2021.100150
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7
MICROWAVE FOCUSING WITHIN ARBITRARY REFRACTIVE INDEX MEDIA USING LEFT-HANDED METAMATERIAL LENSES
Autor: Omar de Varona, Luca Leggio, Ehsan Dadrasnia
Publikováno v: Progress In Electromagnetics Research M. 45:51-58
Left-handed metamaterial (LHM) lenses allow the focusing of microwave radiation at specific positions within a medium, depending on its refractive index. A suitable approach needs to consider the reflections between the LHM lens and the adjacent medi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a53a1ce376a6f94e8f3ff66b114e7459
https://doi.org/10.2528/pierm15072807
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8
Invited Article: Experimental evaluation of gold nanoparticles as infrared scatterers for advanced cardiovascular optical imaging
Autor: Fernando Alfonso, Fernando Rivero, Dionysia Tsoutsi, José A. Sánchez-Gil, Diego R. Abujetas, Daniel Jaque, Emma Martín Rodríguez, Pilar Rivera Gil, Héctor Loro Ramírez, Jie Hu, José García Solé, Río Aguilar Torres, Daniel Gallego, Luca Leggio, Horacio Lamela Rivera
Publikováno v: Biblos-e Archivo. Repositorio Institucional de la UAM
instname
Recercat. Dipósit de la Recerca de Catalunya
APL Photonics, Vol 3, Iss 8, Pp 080803-080803-13 (2018)
The tremendous impact that cardiovascular diseases have in modern society is motivating the research of novel imaging techniques that would make possible early diagnosis and, therefore, efficient treatments. Cardiovascular optical coherence tomograph
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5bc30e372e5ca29d12488a14fcc7b075
http://hdl.handle.net/10486/685847
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9
A COMPARISON BETWEEN DIFFERENT SCHEMES OF MICROWAVE CANCER HYPERTHERMIA TREATMENT BY MEANS OF LEFT-HANDED METAMATERIAL LENSES
Autor: Ehsan Dadrasnia, Omar de Varona, Luca Leggio
Publikováno v: Progress In Electromagnetics Research. 150:73-87
In the hyperthermia therapy, multiple microwave sources can be arranged with appropriate spacing around the tissue containing tumor by using left-handed material (LHM) lenses. We employ some low loss LHM lenses schemes for an effective non-invasive m
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ba05f793441ebf8097f909e48490e3f6
https://doi.org/10.2528/pier14101408
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10
Cost-effective optoacoustic system based on the combination of high-power diode lasers
Autor: Sandeep Babu Gawali, Luca Leggio, Sergio Rodríguez, Daniel Gallego, Horacio Lamela, Miguel Sánchez
Publikováno v: Photons Plus Ultrasound: Imaging and Sensing 2017.
One of the main issues of the advances in optoacoustic (OA) applications is to reduce the high costs and the big sizes of solid state lasers. High-power diode lasers (HPDLs) have been demonstrated to be a valid alternative reducing enormously the exp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b08317d75db179a64e9c57db6b623cdc
https://doi.org/10.1117/12.2253731
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