Zobrazeno 1 - 10 of 278 pro vyhledávání: '"Paolo Laporta"'
1
Akademický článek
Giant ultrafast dichroism and birefringence with active nonlocal metasurfaces
Autor: Giulia Crotti, Mert Akturk, Andrea Schirato, Vincent Vinel, Anton A. Trifonov, Ivan C. Buchvarov, Dragomir N. Neshev, Remo Proietti Zaccaria, Paolo Laporta, Aristide Lemaître, Giuseppe Leo, Giulio Cerullo, Margherita Maiuri, Giuseppe Della Valle
Publikováno v: Light: Science & Applications, Vol 13, Iss 1, Pp 1-11 (2024)
Abstract Switching of light polarization on the sub-picosecond timescale is a crucial functionality for applications in a variety of contexts, including telecommunications, biology and chemistry. The ability to control polarization at ultrafast speed
Externí odkaz: https://doaj.org/article/9fa73558532a42be9067a8039a10bd4e
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2
Akademický článek
Standoff detection of bacterial spores by field deployable coherent Raman spectroscopy
Autor: Nicola Coluccelli, Gianluca Galzerano, Paolo Laporta, Kelly Curtis, Claire L. Lonsdale, Debbie Padgen, Christopher R. Howle, Giulio Cerullo
Publikováno v: Scientific Reports, Vol 13, Iss 1, Pp 1-8 (2023)
Abstract Vibrational spectroscopies offer great potential for standoff detection of chemical and biological warfare agents, avoiding contamination to the operator and equipment. Among them, particularly promising is Coherent anti-Stokes Raman scatter
Externí odkaz: https://doaj.org/article/8b2f9a6b36314fe996b4fc79996151d7
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3
Akademický článek
Carrier-envelope offset frequency measurement by means of an external optical resonator
Autor: Dario Giannotti, Edoardo Suerra, Francesco Canella, Simone Cialdi, Paolo Laporta, Gianluca Galzerano
Publikováno v: Frontiers in Physics, Vol 11 (2023)
A general-purpose method based on the implementation of the asymmetric Pound–Drever–Hall (PDH) technique is proposed to measure the carrier-envelope offset (CEO) frequency of a mode-locked laser using an external optical cavity. By analyzing the
Externí odkaz: https://doaj.org/article/d4c2ba3daffb4c56ab23b8444f78858b
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4
Akademický článek
Absolute spectroscopy near 7.8 μm with a comb-locked extended-cavity quantum-cascade-laser
Autor: Marco Lamperti, Bidoor AlSaif, Davide Gatti, Martin Fermann, Paolo Laporta, Aamir Farooq, Marco Marangoni
Publikováno v: Scientific Reports, Vol 8, Iss 1, Pp 1-7 (2018)
Abstract We report for the first time the frequency locking of an extended-cavity quantum-cascade-laser (EC-QCL) to a near-infrared frequency comb. The locked laser source is exploited to carry out molecular spectroscopy around 7.8 μm with a line-ce
Externí odkaz: https://doaj.org/article/578de87337b640469cbc3826a845458e
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5
Akademický článek
The optical frequency comb fibre spectrometer
Autor: Nicola Coluccelli, Marco Cassinerio, Brandon Redding, Hui Cao, Paolo Laporta, Gianluca Galzerano
Publikováno v: Nature Communications, Vol 7, Iss 1, Pp 1-11 (2016)
An ideal optical frequency-comb system should combine both single-line spectral resolution and a bandwidth broad enough to cover as many lines as possible. Here, the authors incorporate a fibre spectrometer to detect approximately 500 comb-lines with
Externí odkaz: https://doaj.org/article/93746fbe92ca4b9bb97919ac84cc6c1e
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8
Ultrafast, All Optically Reconfigurable, Nonlinear Nanoantenna
Autor: Michele Celebrano, Giulio Cerullo, Paolo Laporta, Giuseppe Marino, Lavinia Ghirardini, Marco Finazzi, Andrea Mazzanti, Daniele Viola, Costantino De Angelis, Eva A. A. Pogna, Giuseppe Della Valle, Giuseppe Leo, Luca Carletti, Andrea Schirato
Publikováno v: ACS Nano
ACS nano 15 (2021): 11150–11157. doi:10.1021/acsnano.1c03386
info:cnr-pdr/source/autori:Pogna E.A.A.; Celebrano M.; Mazzanti A.; Ghirardini L.; Carletti L.; Marino G.; Schirato A.; Viola D.; Laporta P.; De Angelis C.; Leo G.; Cerullo G.; Finazzi M.; Della Valle G./titolo:Ultrafast, All Optically Reconfigurable, Nonlinear Nanoantenna/doi:10.1021%2Facsnano.1c03386/rivista:ACS nano/anno:2021/pagina_da:11150/pagina_a:11157/intervallo_pagine:11150–11157/volume:15
The enhancement of nonlinear optical effects via nanoscale engineering is a hot topic of research. Optical nanoantennas increase light-matter interaction and provide, simultaneously, a high throughput of the generated harmonics in the scattered light
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::baca3304764f56070ab65ffc55962623
http://europepmc.org/articles/PMC8397406
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9
Versatile OSCAT time-domain THz spectrometer
Autor: Lisa M. Molteni, Jacopo Manzolli, Federico Pirzio, Antoniangelo Agnesi, Giuliano Piccinno, Paolo Laporta, Gianluca Galzerano
Publikováno v: Optics Express. 31:12289
We report on a compact and versatile time-domain spectrometer operating in the THz spectral region from 0.2 to 2.5 THz based on ultrafast Yb:CALGO laser and photo-conductive antennas. The spectrometer operates with the optical sampling by cavity tuni
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8e9a76f9d4cf104b4a28b2125abe3ed
https://doi.org/10.1364/oe.482396
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10
Standoff CARS spectroscopy and imaging using an ytterbium-based laser system
Autor: Davide Gatti, Marco Lamperti, Attilio Zilli, Francesco Canella, Giulio Cerullo, Gianluca Galzerano, Paolo Laporta, Nicola Coluccelli
Publikováno v: Optics express. 30(9)
A laser system for standoff coherent anti-Stokes Raman scattering (CARS) spectroscopy of various materials under ambient light conditions is presented. The system is based on an ytterbium laser and an ultrafast optical parametric amplifier for the ge
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b9205890d1e8e3874188b2d6a81115c3
https://pubmed.ncbi.nlm.nih.gov/35473258
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