METRICA, l’archivio istituzionale della produzione scientifica dell’Istituto Nazionale di Ricerca Metrologica, ha lo scopo di raccogliere, documentare, conservare e pubblicare, anche ad accesso aperto, i prodotti della ricerca dell’Ente. METRICA utilizza la piattaforma IRIS (Institutional Research Information System) sviluppata da Cineca.

LEVI, FILIPPO
 Distribuzione geografica
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Continente #
NA - Nord America 29.802
EU - Europa 12.764
AS - Asia 9.530
SA - Sud America 1.318
AF - Africa 178
Continente sconosciuto - Info sul continente non disponibili 70
OC - Oceania 46
AN - Antartide 1
Totale 53.709
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Nazione #
US - Stati Uniti d'America 29.182
SG - Singapore 4.476
RU - Federazione Russa 2.976
SE - Svezia 2.173
CN - Cina 2.109
IT - Italia 1.623
UA - Ucraina 1.440
DE - Germania 1.300
GB - Regno Unito 1.289
BR - Brasile 1.034
HK - Hong Kong 824
VN - Vietnam 608
FR - Francia 561
KR - Corea 513
CA - Canada 405
FI - Finlandia 354
IN - India 306
PL - Polonia 203
IE - Irlanda 197
MX - Messico 185
JP - Giappone 180
NL - Olanda 153
ES - Italia 144
AR - Argentina 124
ZA - Sudafrica 114
BD - Bangladesh 74
BE - Belgio 67
ID - Indonesia 64
CH - Svizzera 60
EU - Europa 60
TR - Turchia 60
AT - Austria 44
EC - Ecuador 42
AU - Australia 41
IL - Israele 37
LT - Lituania 37
TW - Taiwan 34
CO - Colombia 28
IQ - Iraq 28
RO - Romania 27
IR - Iran 24
SA - Arabia Saudita 22
BA - Bosnia-Erzegovina 21
CL - Cile 21
AE - Emirati Arabi Uniti 19
VE - Venezuela 18
PK - Pakistan 17
PY - Paraguay 16
TH - Thailandia 16
UY - Uruguay 16
PH - Filippine 15
MY - Malesia 14
RS - Serbia 14
EG - Egitto 13
UZ - Uzbekistan 13
MA - Marocco 12
NO - Norvegia 11
KZ - Kazakistan 10
DK - Danimarca 9
PE - Perù 9
A2 - ???statistics.table.value.countryCode.A2??? 8
AZ - Azerbaigian 8
GR - Grecia 8
KE - Kenya 8
TN - Tunisia 8
CZ - Repubblica Ceca 7
HR - Croazia 7
NP - Nepal 7
AL - Albania 6
BO - Bolivia 6
JO - Giordania 6
BH - Bahrain 5
BY - Bielorussia 5
KW - Kuwait 5
LV - Lettonia 5
PA - Panama 5
AF - Afghanistan, Repubblica islamica di 4
CR - Costa Rica 4
DO - Repubblica Dominicana 4
DZ - Algeria 4
EE - Estonia 4
ET - Etiopia 4
LA - Repubblica Popolare Democratica del Laos 4
MN - Mongolia 4
NZ - Nuova Zelanda 4
SK - Slovacchia (Repubblica Slovacca) 4
AM - Armenia 3
BG - Bulgaria 3
CI - Costa d'Avorio 3
GT - Guatemala 3
MD - Moldavia 3
NG - Nigeria 3
PS - Palestinian Territory 3
PT - Portogallo 3
SI - Slovenia 3
SY - Repubblica araba siriana 3
BB - Barbados 2
GA - Gabon 2
GD - Grenada 2
GE - Georgia 2
Totale 53.668
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Città #
Cambridge 4.289
Fairfield 2.964
Ashburn 2.703
Singapore 2.282
Woodbridge 2.238
Chandler 1.893
Houston 1.783
Wilmington 1.422
Seattle 1.391
Ann Arbor 1.256
Beijing 1.202
Moscow 789
Boardman 780
Hong Kong 777
Jacksonville 612
New York 590
Seoul 503
Los Angeles 480
Nyköping 465
San Mateo 387
Turin 328
Munich 226
Toronto 203
Ho Chi Minh City 197
Dublin 185
Dearborn 176
São Paulo 153
London 152
Chicago 151
Falkenstein 151
Denver 143
Rome 140
Tokyo 135
Helsinki 132
Warsaw 130
Hanoi 129
Orem 120
Strasbourg 110
Montreal 107
Atlanta 105
Des Moines 100
Dallas 99
Milan 99
Santa Clara 98
Chennai 95
Poplar 92
Johannesburg 86
Ogden 86
Stockholm 84
San Diego 80
Phoenix 79
Amsterdam 72
Brooklyn 72
Redmond 71
Mexico City 69
Frankfurt am Main 65
Guangzhou 65
Brussels 62
Boston 61
Las Vegas 56
Kraków 53
Salt Lake City 51
Florence 47
Hanover 47
Council Bluffs 45
Manchester 45
Ankara 44
Mumbai 43
Shanghai 43
Turku 43
San Francisco 41
Querétaro 38
Nuremberg 34
Paris 34
Rio de Janeiro 33
Redwood City 31
Genoa 30
Haiphong 28
Miami 28
San Jose 27
Assago 26
Tampa 25
Da Nang 24
Brasília 23
Vienna 23
Buffalo 22
West Jordan 22
Belo Horizonte 21
New Delhi 20
Prescot 20
Raleigh 20
Sydney 20
Bexley 19
Curitiba 19
Porto Alegre 19
Calgary 18
Pittsburgh 18
Secaucus 18
St Petersburg 18
Wuhan 17
Totale 34.767
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Nome #
Ultrastable laser interferometry for earthquake detection with terrestrial and submarine cables 671
Measuring absolute frequencies beyond the GPS limit via long-haul optical frequency dissemination 475
Metrological characterization of INRIM's Yb lattice clock 416
Multiple wavelength stabilization on a single optical cavity using the offset sideband locking technique 416
A Coherent Fiber Link for Very Long Baseline Interferometry 404
EMN-Q - Strategic Research Agenda and Quantum Technologies Roadmaps 391
Geodesy and metrology with a transportable optical clock 385
Single-Atom Optical Clock with High Accuracy 379
2006 Conference on Precision Electromagnetic Measurements 369
Enhanced temperature sensitivity in vapor-cell frequency standards 366
Direct Observation of Coherent Interorbital Spin-Exchange Dynamics 366
Doppler-stabilized fiber link with 6 dB noise improvement below the classical limit 364
The Italian optical link for time and frequency 357
Active Disturbance Rejection Control of Temperature for Ultrastable Optical Cavities 352
Intercontinental comparison of optical atomic clocks through very long baseline interferometry 352
Cryogenic Fountain Development at NIST and INRIM: Preliminary Characterization 350
A VLBI experiment using a remote atomic clock via a coherent fibre link 347
Coherent Population Trapping Maser 343
Absolute Frequency Measurement of the 173Yb Clock Transition via a 642-km Fiber Link 342
Broadband serrodyne phase modulation for optical frequency standards and spectral purity transfer 341
Synthetic Dimensions and Spin-Orbit Coupling with an Optical Clock Transition 339
Yb optical lattice clock at INRIM. 337
Distributed Raman Amplification for Long-Haul Optical Frequency Dissemination 331
A Large Area Fiber Optic Gyroscope on multiplexed fiber network 328
Absolute frequency measurement of the $^1 extS_0$ – $^3 extP_0$ transition of171Yb 326
Latest Improvements at INRIM Time Laboratory 326
Efficient frequency doubling at 399  nm 325
Realization of a White Rabbit Timing Link in Italy 322
A Fiber Optic Gyroscope on Multiplexed Telecommunication Network with a Large Enclosed Area 322
IEN-CsF1 primary frequency standard at INRIM accuracy evaluation and TAI calibrations 319
ac Stark shift measurements of the clock transition in cold Cs atoms: Scalar and tensor light shifts of theD2transition 316
Double-pass acousto-optic modulator system 316
Active disturbance rejection control: Application to the temperature stabilization of ultra-stable cavities 316
Electronics for the pulsed rubidium clock: Design and characterization 315
Cell-related effects in the Pulsed Optically Pumped frequency standard 315
Absolute frequency measurement of the 1S0 – 3P0 transition of 171Yb with a link to International Atomic Time 311
Reducing Cavity-Pulling Shift in Ramsey-Operated Compact Clocks 310
Measurement of the blackbody shift in the IEN Cs fountain 308
Pulsed optically pumped rubidium clock with high frequency-stability performance 306
Active disturbance rejection control: Application to the temperature stabilization of ultra-stable cavities 306
Improved Set-Up for the Ytterbium Optical Clock at INRIM 304
Gravitational red-shift at INRIM 303
Kr-based buffer gas for Rb vapor-cell clocks 302
Precision test of the ac Stark shift in a rubidium atomic vapor 301
Tracking DDS for Coherent Optical Links 300
Coherent-population-trapping maser: Noise spectrum and frequency stability 298
Accuracy evaluation of ITCsF2: a nitrogen cooled caesium fountain 294
Reduction of the cold collisions frequency shift in a multiple velocity fountain: a new proposal 293
Metrological characterization of the pulsed Rb clock with optical detection 290
Systematic shift uncertainty evaluation of IEN CSF1 primary frequency standard 290
Atomic clocks based on coherent population trapping: basic theoretical models and frequency stability 289
Generation of an Ultrastable 578 nm Laser for Yb Lattice Clock 287
CPT maser clock evaluation for Galileo 286
Optical lattice clocks towards the redefinition of the second 286
Ytterbium optical lattice clock at INRIM 286
Bayesian estimate of the zero-density frequency of a Cs fountain 280
Low Noise Optical Link Development at INRIM. 280
Preliminary step for a UTC(IT) steering algorithm based on the ITCsF2 primary frequency standard measurements 280
Measurement of Radiative Decay and Cold Collision Trap Losses in Laser-Cooled Ytterbium 279
Comparing room temperature and cryogenic cesium fountains 278
Improvements on the UTC(IT) timescale at INRIM 278
Comb-assisted cavity ring-down spectroscopy of a buffer-gas-cooled molecular beam 278
Bayesian inference of a negative quantity from positive measurement results 276
In-field Raman amplification on coherent optical fiber links for frequency metrology 274
CLONETS – Clock network services strategy and innovation for clock services over optical-fibre networks 271
Optical frequency transfer over submarine fiber links 270
Medium-long term frequency stability of pulsed vapor cell clocks 270
"A 650 km-Long Optical Fiber Link For Accurate Time and Frequency Metrology" 269
Dark-line in optically-thick vapors: inversion phenomena and line width narrowing 269
Pulsed Optically Pumped Rb clock 267
Ramsey-fringe shape in an alkali-metal vapor cell with buffer gas 265
Use of Bayesian statistics to reduce the density shift uncertainty in Cesium fountain. 265
Effect of a timebase mismatch in two-way optical frequency transfer 265
Frequency Biases in Pulsed Atomic Fountain Frequency Standards Due to Spurious Components in the Microwave Spectrum 262
The pulsed optically pumped clock: microwave and optical detection 262
The coherent population trapping maser 261
Yellow laser performance of Dy 3+ in co-dopedDy,Tb:LiLuF4 259
Ytterbium optical lattice clock at INRIM 258
Improved set-up for the ytterbium optical clock at INRIM 257
Precision Atomic Spectroscopy for Improved Limits on Variation of the Fine Structure Constant and Local Position Invariance 256
Comment on 'Evaluation of the primary frequency standard NPL-CsF1' 253
Physics characterization and frequency stability of the pulsed rubidium maser 252
High-performing vapor-cell frequency standards 251
Reliable and Robust UTC(IT) Generation Based on Master and Backup Time Scales Alignment at INRiM 251
High-accuracy coherent optical frequency transfer over a doubled 642-km fiber link 250
Measuring molecular frequencies in the 1-10 μm range at 11-digits accuracy 250
LIFT-the Italian Link for Time and Frequency 248
The cryogenic fountain ITCsF2 247
RF SPECTRUM OF A CARRIER WITH A RANDOM PHASE MODULATION OF ARBITRARY SLOPE 244
Accuracy evaluation of NIST-F1 243
Frequency transfer via a two-way optical phase comparison on a multiplexed fiber network 240
Reliable and Robust Real-time Time Scale Generation: Developments and Experimental Results at INRiM 240
Intensity detection noise in pulsed vapor cell frequency standards 240
Bayesian inference of a negative quantity from positive measurement results. 239
Planar-waveguide external cavity laser stabilization for an optical link with 10^-19 frequency stability 239
Improving short and long term stability of pulsed optically pumped vapor cell frequency standards 238
Optical-to-microwave frequency comparison with fractional uncertainty of 10(-15) 238
Frequency-stability performances of the pulsed optically pumped rubidium clock: Recent results and future perspectives 237
Spectral purity transfer with 5 × 10−17 instability at 1 s using a multibranch Er:fiber frequency comb 235
Optical Frequency Link between Torino and Firenze for remote comparison between Yb and Sr optical clocks 235
Totale 30.188
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Categoria #
all - tutte 293.435
article - articoli 0
book - libri 0
conference - conferenze 0
curatela - curatele 0
other - altro 0
patent - brevetti 0
selected - selezionate 0
volume - volumi 0
Totale 293.435
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/20212.835 0 0 0 0 0 201 820 338 632 433 284 127
2021/20223.643 695 159 122 241 307 168 378 296 390 380 156 351
2022/20234.473 221 294 397 439 491 812 54 500 768 111 195 191
2023/20243.159 185 289 463 222 190 147 416 239 413 103 110 382
2024/20256.590 302 123 366 228 271 316 565 467 1.484 490 1.023 955
2025/202614.442 1.135 2.045 1.204 3.417 2.369 4.272 0 0 0 0 0 0
Totale 54.407