Zobrazeno 1 - 10
of 59
pro vyhledávání: '"Giovanni Antonio Costanzo"'
Autor:
Filippo Levi, G. Signorile, Ilaria Sesia, Giovanni Antonio Costanzo, Tung Thanh Thai, Valerio Formichella, Lorenzo Galleani, Michele Gozzelino
Recently, the official Italian time scale UTC(IT) has been successfully automatically generated in real-time, with a steering algorithm using Rapid UTC (UTCr) as steering reference [1]. This work aims to present the results of an on-line test of othe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2ee3e1d678b6e74c71fa5ea80a2276e2
http://hdl.handle.net/11583/2963219
http://hdl.handle.net/11583/2963219
Autor:
Antonio Castrillo, Livio Gianfrani, Cecilia Clivati, Giovanni Antonio Costanzo, Stefania Gravina, Filippo Levi
Publikováno v:
Optics letters. 45(13)
We realized a UV laser spectrometer at 253.7 nm for Doppler broadening thermometry on the 1 S 0 − 3 P 1 intercombination line in mercury vapors. Our setup is based on the two-stage duplication of a 1014.8 nm diode laser in a fiber-coupled periodica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::da750ef759dcfd24ddecee6fa4b93734
https://pubmed.ncbi.nlm.nih.gov/32630932
https://pubmed.ncbi.nlm.nih.gov/32630932
Autor:
Alberto Mura, T. T. Thai, G. Signorile, Valerio Formichella, A. Perucca, P. Terzi, F. Pollastri, Filippo Levi, Davide Calonico, Marco Sellone, F. Fiasca, Marco Pizzocaro, Ilaria Sesia, R. Costa, E. Cantoni, E. K. Bertacco, G. D. Rovera, Giovanni Antonio Costanzo, G. Cerretto
Publikováno v:
The Precise Time and Time Interval Systems and Applications Meeting.
The INRIM Time Laboratory is in charge of different important tasks. In this paper the Laboratory and related activities description will be provided. Some improvements have been introduced in the Laboratory during the last year, and the most relevan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca1a26c55f09035d439e6b312de1e953
https://doi.org/10.33012/2020.17296
https://doi.org/10.33012/2020.17296
Autor:
Gianmaria Milani, Cecilia Clivati, Davide Calonico, Benjamin Rauf, Marco Pizzocaro, Pierre Thoumany, Filippo Bregolin, Giovanni Antonio Costanzo, Filippo Levi
Publikováno v:
Metrologia. 54:102-112
We report the absolute frequency measurement of the unperturbed transition – at 578 nm in 171Yb realized in an optical lattice frequency standard relative to a cryogenic caesium fountain. The measurement result is 518 295 836 590 863.59(31) Hz with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8db5643586ca0df478a3f130d464346a
https://doi.org/10.1088/1681-7575/aa4e62
https://doi.org/10.1088/1681-7575/aa4e62
Autor:
Ludger Timmen, Sebastian Häfner, Fred N. Baynes, Christian Lisdat, Christian Voigt, Massimo Zucco, Stefan Vogt, Heiner Denker, Uwe Sterr, Jacopo Grotti, Marco Pizzocaro, Filippo Levi, Helen S. Margolis, Benjamin Rauf, Giovanni Antonio Costanzo, Michel Zampaolo, Davide Calonico, Antoine Rolland, Anna Tampellini, Filippo Bregolin, Piero Barbieri, Cecilia Clivati, Silvio Koller, Pierre Thoumany
Publikováno v:
Nature Physics
Nature Physics, 2018, 14 (5), pp.437-441. ⟨10.1038/s41567-017-0042-3⟩
Nature Physics, Nature Publishing Group, 2018, 14 (5), pp.437-441. ⟨10.1038/s41567-017-0042-3⟩
Nature Physics, 2018, 14 (5), pp.437-441. ⟨10.1038/s41567-017-0042-3⟩
Nature Physics, Nature Publishing Group, 2018, 14 (5), pp.437-441. ⟨10.1038/s41567-017-0042-3⟩
The advent of novel measurement instrumentation can lead to paradigm shifts in scientific research. Optical atomic clocks, due to their unprecedented stability and uncertainty, are already being used to test physical theories and herald a revision of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2c13991f1e7cf6afea075d854e169e3c
http://gfzpublic.gfz-potsdam.de/pubman/item/escidoc:2999911
http://gfzpublic.gfz-potsdam.de/pubman/item/escidoc:2999911
Autor:
Thomas P. Heavner, Elizabeth A. Donley, Steven R. Jefferts, Filippo Levi, Jon H. Shirley, Stephan E. Barlow, Thomas E. Parker, Giovanni Antonio Costanzo, Neil Ashby
Publikováno v:
Metrologia. 51:174-182
We report the first accuracy evaluation of NIST-F2, a second-generation laser-cooled caesium fountain primary standard developed at the National Institute of Standards and Technology (NIST) with a cryogenic (liquid nitrogen) microwave cavity and flig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d5a41b6044d3bac7d6f4764128cb7074
https://doi.org/10.1088/0026-1394/51/3/174
https://doi.org/10.1088/0026-1394/51/3/174
Autor:
Claudio E. Calosso, Marco Pizzocaro, Filippo Levi, Cecilia Clivati, Giovanni Antonio Costanzo, Davide Calonico, Alberto Mura
Publikováno v:
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 60:273-280
This paper describes the application of a novel active disturbance rejection control (ADRC) to the stabilization of the temperature of two ultra-stable Fabry-Perot cavities. The cavities are 10 cm long and entirely made of ultralow- expansion glass.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ff099fb5808431be77a3250185b3ccf
https://doi.org/10.1109/tuffc.2013.2563
https://doi.org/10.1109/tuffc.2013.2563
Publikováno v:
Physical Review A. 93
The ac Stark shift, or light shift, is a physical phenomenon that plays a fundamental role in many applications ranging from basic atomic physics to applied quantum electronics. Here, we discuss experiments testing light-shift theory in a cold-atom c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a9277baf09259fb5d9fd65fcf1205977
https://doi.org/10.1103/physreva.93.063404
https://doi.org/10.1103/physreva.93.063404
Autor:
Filippo Bregolin, Davide Calonico, Filippo Levi, Benjamin Rauf, Gianmaria Milani, Pierre Thoumany, Marco Pizzocaro, Cecilia Clivati, Giovanni Antonio Costanzo, Michele Gozzelino
We present the results of a preliminary metrological characterization of our neutral 171Ytterbium-atoms lattice clock at INRIM. During one clock cycle we cool and trap the atoms utilizing 399 nm laser light for the first stage magneto-optical trap (M
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a6c08d9e0b8f22d8d800299dd24d8a9a
http://hdl.handle.net/11583/2683400
http://hdl.handle.net/11583/2683400
Autor:
Marco Mancini, Davide Calonico, Alberto Mura, Mario Siciliani de Cumis, G. Cappellini, M. Frittelli, Cecilia Clivati, Guido Pagano, F. Poggiali, Filippo Levi, Lorenzo Francesco Livi, Giovanni Antonio Costanzo, Jacopo Catani, Leonardo Fallani, Massimo Inguscio
Global Positioning System (GPS) dissemination of frequency standards is ubiquitous at present, providing the most widespread time and frequency reference for the majority of industrial and research applications worldwide. On the other hand, the ultim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::151331c8cf5b50c62b8b7e2bd81b40f2
http://hdl.handle.net/2158/1066329
http://hdl.handle.net/2158/1066329