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 29.471
EU - Europa 12.352
AS - Asia 9.348
SA - Sud America 1.307
AF - Africa 171
Continente sconosciuto - Info sul continente non disponibili 70
OC - Oceania 46
AN - Antartide 1
Totale 52.766
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Nazione #
US - Stati Uniti d'America 28.871
SG - Singapore 4.342
RU - Federazione Russa 2.617
SE - Svezia 2.169
CN - Cina 2.103
IT - Italia 1.616
UA - Ucraina 1.440
DE - Germania 1.298
GB - Regno Unito 1.273
BR - Brasile 1.025
HK - Hong Kong 823
VN - Vietnam 601
FR - Francia 559
KR - Corea 513
CA - Canada 393
FI - Finlandia 353
IN - India 289
PL - Polonia 198
IE - Irlanda 197
MX - Messico 177
JP - Giappone 172
NL - Olanda 149
ES - Italia 135
AR - Argentina 123
ZA - Sudafrica 109
BD - Bangladesh 71
BE - Belgio 67
ID - Indonesia 64
CH - Svizzera 60
EU - Europa 60
TR - Turchia 56
AT - Austria 44
EC - Ecuador 42
AU - Australia 41
IL - Israele 37
LT - Lituania 34
TW - Taiwan 33
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 16
PY - Paraguay 16
TH - Thailandia 16
PH - Filippine 15
UY - Uruguay 15
MY - Malesia 14
RS - Serbia 14
EG - Egitto 13
UZ - Uzbekistan 13
MA - Marocco 11
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
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
ET - Etiopia 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 52.725
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Città #
Cambridge 4.289
Fairfield 2.964
Ashburn 2.544
Woodbridge 2.238
Singapore 2.157
Chandler 1.893
Houston 1.777
Wilmington 1.422
Seattle 1.389
Ann Arbor 1.256
Beijing 1.197
Boardman 780
Hong Kong 776
Moscow 669
Jacksonville 612
New York 574
Seoul 503
Nyköping 465
Los Angeles 460
San Mateo 387
Turin 327
Munich 226
Toronto 202
Ho Chi Minh City 194
Dublin 185
Dearborn 176
Falkenstein 151
Chicago 150
London 147
São Paulo 147
Rome 137
Helsinki 132
Hanoi 128
Tokyo 127
Warsaw 125
Denver 124
Strasbourg 110
Montreal 101
Atlanta 100
Des Moines 100
Orem 100
Dallas 99
Milan 99
Santa Clara 98
Ogden 86
Poplar 86
Chennai 83
Johannesburg 81
San Diego 80
Stockholm 80
Phoenix 74
Redmond 71
Brooklyn 70
Amsterdam 68
Frankfurt am Main 65
Guangzhou 65
Mexico City 63
Brussels 62
Boston 60
Las Vegas 56
Kraków 53
Salt Lake City 51
Florence 47
Hanover 47
Shanghai 43
Turku 43
Council Bluffs 42
Manchester 41
Mumbai 41
San Francisco 41
Ankara 40
Querétaro 36
Nuremberg 34
Paris 33
Rio de Janeiro 33
Redwood City 31
Genoa 30
Haiphong 28
Miami 27
Assago 26
Tampa 25
Da Nang 24
San Jose 24
Brasília 23
Vienna 23
Buffalo 22
West Jordan 22
Belo Horizonte 21
Prescot 20
Raleigh 20
Sydney 20
Bexley 19
Curitiba 19
Porto Alegre 19
New Delhi 18
Pittsburgh 18
Secaucus 18
St Petersburg 18
Wuhan 17
Chiswick 16
Totale 34.160
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Nome #
Ultrastable laser interferometry for earthquake detection with terrestrial and submarine cables 664
Measuring absolute frequencies beyond the GPS limit via long-haul optical frequency dissemination 468
Metrological characterization of INRIM's Yb lattice clock 413
Multiple wavelength stabilization on a single optical cavity using the offset sideband locking technique 412
A Coherent Fiber Link for Very Long Baseline Interferometry 396
EMN-Q - Strategic Research Agenda and Quantum Technologies Roadmaps 384
Geodesy and metrology with a transportable optical clock 381
Single-Atom Optical Clock with High Accuracy 375
2006 Conference on Precision Electromagnetic Measurements 368
Enhanced temperature sensitivity in vapor-cell frequency standards 364
Direct Observation of Coherent Interorbital Spin-Exchange Dynamics 364
Doppler-stabilized fiber link with 6 dB noise improvement below the classical limit 358
The Italian optical link for time and frequency 356
Active Disturbance Rejection Control of Temperature for Ultrastable Optical Cavities 348
Intercontinental comparison of optical atomic clocks through very long baseline interferometry 345
Cryogenic Fountain Development at NIST and INRIM: Preliminary Characterization 343
Coherent Population Trapping Maser 339
A VLBI experiment using a remote atomic clock via a coherent fibre link 339
Absolute Frequency Measurement of the 173Yb Clock Transition via a 642-km Fiber Link 338
Broadband serrodyne phase modulation for optical frequency standards and spectral purity transfer 337
Yb optical lattice clock at INRIM. 335
Synthetic Dimensions and Spin-Orbit Coupling with an Optical Clock Transition 332
Distributed Raman Amplification for Long-Haul Optical Frequency Dissemination 328
A Large Area Fiber Optic Gyroscope on multiplexed fiber network 324
Absolute frequency measurement of the $^1 extS_0$ – $^3 extP_0$ transition of171Yb 321
Latest Improvements at INRIM Time Laboratory 321
Efficient frequency doubling at 399  nm 320
A Fiber Optic Gyroscope on Multiplexed Telecommunication Network with a Large Enclosed Area 318
Realization of a White Rabbit Timing Link in Italy 317
IEN-CsF1 primary frequency standard at INRIM accuracy evaluation and TAI calibrations 316
Electronics for the pulsed rubidium clock: Design and characterization 313
Cell-related effects in the Pulsed Optically Pumped frequency standard 313
ac Stark shift measurements of the clock transition in cold Cs atoms: Scalar and tensor light shifts of theD2transition 312
Double-pass acousto-optic modulator system 311
Active disturbance rejection control: Application to the temperature stabilization of ultra-stable cavities 310
Measurement of the blackbody shift in the IEN Cs fountain 306
Absolute frequency measurement of the 1S0 – 3P0 transition of 171Yb with a link to International Atomic Time 306
Reducing Cavity-Pulling Shift in Ramsey-Operated Compact Clocks 305
Pulsed optically pumped rubidium clock with high frequency-stability performance 301
Gravitational red-shift at INRIM 300
Active disturbance rejection control: Application to the temperature stabilization of ultra-stable cavities 300
Improved Set-Up for the Ytterbium Optical Clock at INRIM 299
Precision test of the ac Stark shift in a rubidium atomic vapor 299
Tracking DDS for Coherent Optical Links 296
Kr-based buffer gas for Rb vapor-cell clocks 296
Coherent-population-trapping maser: Noise spectrum and frequency stability 295
Accuracy evaluation of ITCsF2: a nitrogen cooled caesium fountain 290
Reduction of the cold collisions frequency shift in a multiple velocity fountain: a new proposal 289
Systematic shift uncertainty evaluation of IEN CSF1 primary frequency standard 287
Atomic clocks based on coherent population trapping: basic theoretical models and frequency stability 286
Optical lattice clocks towards the redefinition of the second 284
Generation of an Ultrastable 578 nm Laser for Yb Lattice Clock 284
Metrological characterization of the pulsed Rb clock with optical detection 283
CPT maser clock evaluation for Galileo 281
Ytterbium optical lattice clock at INRIM 280
Low Noise Optical Link Development at INRIM. 279
Measurement of Radiative Decay and Cold Collision Trap Losses in Laser-Cooled Ytterbium 276
Preliminary step for a UTC(IT) steering algorithm based on the ITCsF2 primary frequency standard measurements 276
Bayesian estimate of the zero-density frequency of a Cs fountain 275
Comparing room temperature and cryogenic cesium fountains 275
Improvements on the UTC(IT) timescale at INRIM 273
Bayesian inference of a negative quantity from positive measurement results 273
Comb-assisted cavity ring-down spectroscopy of a buffer-gas-cooled molecular beam 271
CLONETS – Clock network services strategy and innovation for clock services over optical-fibre networks 269
In-field Raman amplification on coherent optical fiber links for frequency metrology 268
Medium-long term frequency stability of pulsed vapor cell clocks 267
Dark-line in optically-thick vapors: inversion phenomena and line width narrowing 265
Pulsed Optically Pumped Rb clock 264
Ramsey-fringe shape in an alkali-metal vapor cell with buffer gas 262
"A 650 km-Long Optical Fiber Link For Accurate Time and Frequency Metrology" 262
Use of Bayesian statistics to reduce the density shift uncertainty in Cesium fountain. 262
Effect of a timebase mismatch in two-way optical frequency transfer 261
Optical frequency transfer over submarine fiber links 261
Frequency Biases in Pulsed Atomic Fountain Frequency Standards Due to Spurious Components in the Microwave Spectrum 259
The pulsed optically pumped clock: microwave and optical detection 259
The coherent population trapping maser 257
Ytterbium optical lattice clock at INRIM 256
Precision Atomic Spectroscopy for Improved Limits on Variation of the Fine Structure Constant and Local Position Invariance 255
Yellow laser performance of Dy 3+ in co-dopedDy,Tb:LiLuF4 254
Improved set-up for the ytterbium optical clock at INRIM 254
Comment on 'Evaluation of the primary frequency standard NPL-CsF1' 251
Physics characterization and frequency stability of the pulsed rubidium maser 248
Measuring molecular frequencies in the 1-10 μm range at 11-digits accuracy 248
High-performing vapor-cell frequency standards 247
The cryogenic fountain ITCsF2 246
High-accuracy coherent optical frequency transfer over a doubled 642-km fiber link 246
LIFT-the Italian Link for Time and Frequency 245
Reliable and Robust UTC(IT) Generation Based on Master and Backup Time Scales Alignment at INRiM 244
RF SPECTRUM OF A CARRIER WITH A RANDOM PHASE MODULATION OF ARBITRARY SLOPE 242
Accuracy evaluation of NIST-F1 241
Improving short and long term stability of pulsed optically pumped vapor cell frequency standards 237
Frequency transfer via a two-way optical phase comparison on a multiplexed fiber network 236
Reliable and Robust Real-time Time Scale Generation: Developments and Experimental Results at INRiM 236
Bayesian inference of a negative quantity from positive measurement results. 235
Planar-waveguide external cavity laser stabilization for an optical link with 10^-19 frequency stability 235
Optical-to-microwave frequency comparison with fractional uncertainty of 10(-15) 235
Frequency-stability performances of the pulsed optically pumped rubidium clock: Recent results and future perspectives 234
Intensity detection noise in pulsed vapor cell frequency standards 234
Pulsed optically pumped Rb-87 vapor cell frequency standard: A multilevel approach 232
Optical Frequency Link between Torino and Firenze for remote comparison between Yb and Sr optical clocks 232
Totale 29.787
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Categoria #
all - tutte 291.308
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 291.308
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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
2025/202613.499 1.135 2.045 1.204 3.417 2.369 3.329 0 0 0 0 0 0
Totale 53.464