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 23.882
EU - Europa 7.587
AS - Asia 1.673
Continente sconosciuto - Info sul continente non disponibili 68
SA - Sud America 57
OC - Oceania 30
AF - Africa 15
Totale 33.312
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Nazione #
US - Stati Uniti d'America 23.656
SE - Svezia 2.089
UA - Ucraina 1.419
IT - Italia 1.096
GB - Regno Unito 995
CN - Cina 896
DE - Germania 774
SG - Singapore 409
FR - Francia 403
FI - Finlandia 213
CA - Canada 206
IE - Irlanda 189
IN - India 116
RU - Federazione Russa 92
BE - Belgio 63
EU - Europa 60
PL - Polonia 59
JP - Giappone 53
CH - Svizzera 48
IL - Israele 28
NL - Olanda 27
HK - Hong Kong 26
AU - Australia 25
RO - Romania 24
BR - Brasile 23
BA - Bosnia-Erzegovina 21
ES - Italia 21
ID - Indonesia 18
MX - Messico 18
VN - Vietnam 17
TH - Thailandia 15
IR - Iran 12
AR - Argentina 11
TR - Turchia 10
AT - Austria 9
CL - Cile 9
KR - Corea 9
NO - Norvegia 9
A2 - ???statistics.table.value.countryCode.A2??? 8
MY - Malesia 8
PH - Filippine 8
TW - Taiwan 8
SA - Arabia Saudita 7
HR - Croazia 6
DK - Danimarca 5
KW - Kuwait 5
KZ - Kazakistan 5
PE - Perù 5
ZA - Sudafrica 5
GR - Grecia 4
NZ - Nuova Zelanda 4
CZ - Repubblica Ceca 3
EC - Ecuador 3
EE - Estonia 3
IQ - Iraq 3
LA - Repubblica Popolare Democratica del Laos 3
PK - Pakistan 3
SI - Slovenia 3
SK - Slovacchia (Repubblica Slovacca) 3
BO - Bolivia 2
CO - Colombia 2
EG - Egitto 2
HU - Ungheria 2
LB - Libano 2
LK - Sri Lanka 2
MD - Moldavia 2
MN - Mongolia 2
TN - Tunisia 2
VE - Venezuela 2
AE - Emirati Arabi Uniti 1
AM - Armenia 1
AO - Angola 1
BD - Bangladesh 1
BY - Bielorussia 1
CI - Costa d'Avorio 1
CR - Costa Rica 1
GA - Gabon 1
GE - Georgia 1
JO - Giordania 1
KE - Kenya 1
KG - Kirghizistan 1
LT - Lituania 1
LU - Lussemburgo 1
LV - Lettonia 1
MP - Marianne Settentrionali, isole 1
MU - Mauritius 1
OM - Oman 1
PA - Panama 1
RS - Serbia 1
SD - Sudan 1
SY - Repubblica araba siriana 1
Totale 33.312
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Città #
Cambridge 4.289
Fairfield 2.964
Woodbridge 2.237
Chandler 1.898
Houston 1.721
Ashburn 1.521
Wilmington 1.414
Seattle 1.367
Ann Arbor 1.256
Beijing 627
Jacksonville 606
Boardman 554
Nyköping 467
San Mateo 387
New York 338
Singapore 301
Turin 185
Dublin 179
Dearborn 176
Toronto 175
Strasbourg 110
London 99
Rome 96
Ogden 87
San Diego 78
Los Angeles 76
Redmond 71
Helsinki 66
Brussels 61
Kraków 53
Las Vegas 53
Guangzhou 52
Milan 50
Hanover 47
Atlanta 38
Tokyo 32
Redwood City 31
Moscow 27
West Jordan 22
Prescot 20
Shanghai 19
Florence 17
Chiswick 16
Miami 16
Paris 16
Wuhan 16
Berlin 15
Mountain View 15
St Petersburg 15
Torino 15
São Paulo 14
Zhengzhou 13
Haifa 12
Kilburn 12
New Bedfont 12
Acton 11
Dong Ket 11
Norwalk 11
Ottawa 11
San Francisco 11
Sarajevo 11
Teddington 11
Amsterdam 10
Frankfurt am Main 10
Hounslow 10
Indiana 10
Tappahannock 10
Andover 9
Braunschweig 9
Islington 9
Kyiv 9
Magenta 9
Midleton 9
Nanjing 9
White Plains 9
Zurich 9
Bern 8
Hefei 8
Munich 8
Napoli 8
Southend 8
Southwark 8
Sydney 8
Chennai 7
Civitavecchia 7
Dallas 7
Denver 7
St Louis 7
Vimodrone 7
Wandsworth 7
Xi'an 7
Yekaterinburg 7
Bangalore 6
Bologna 6
Canberra 6
Carshalton 6
Chicago 6
Clearwater 6
Gunzenhausen 6
Hong Kong 6
Totale 24.429
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Nome #
Ultrastable laser interferometry for earthquake detection with terrestrial and submarine cables 477
Single-Atom Optical Clock with High Accuracy 331
Metrological characterization of INRIM's Yb lattice clock 321
The Italian optical link for time and frequency 314
2006 Conference on Precision Electromagnetic Measurements 288
Direct Observation of Coherent Interorbital Spin-Exchange Dynamics 275
Geodesy and metrology with a transportable optical clock 273
Enhanced temperature sensitivity in vapor-cell frequency standards 270
Doppler-stabilized fiber link with 6 dB noise improvement below the classical limit 266
Cryogenic Fountain Development at NIST and INRIM: Preliminary Characterization 261
Pulsed optically pumped rubidium clock with high frequency-stability performance 255
Active Disturbance Rejection Control of Temperature for Ultrastable Optical Cavities 254
Improved Set-Up for the Ytterbium Optical Clock at INRIM 253
Multiple wavelength stabilization on a single optical cavity using the offset sideband locking technique 249
Tracking DDS for Coherent Optical Links 247
Measuring absolute frequencies beyond the GPS limit via long-haul optical frequency dissemination 247
Precision test of the ac Stark shift in a rubidium atomic vapor 246
A Coherent Fiber Link for Very Long Baseline Interferometry 244
Absolute Frequency Measurement of the 173Yb Clock Transition via a 642-km Fiber Link 242
Synthetic Dimensions and Spin-Orbit Coupling with an Optical Clock Transition 239
Generation of an Ultrastable 578 nm Laser for Yb Lattice Clock 234
Coherent Population Trapping Maser 231
CLONETS – Clock network services strategy and innovation for clock services over optical-fibre networks 230
Metrological characterization of the pulsed Rb clock with optical detection 229
Frequency Biases in Pulsed Atomic Fountain Frequency Standards Due to Spurious Components in the Microwave Spectrum 226
Systematic shift uncertainty evaluation of IEN CSF1 primary frequency standard 224
Active disturbance rejection control: Application to the temperature stabilization of ultra-stable cavities 224
Measurement of Radiative Decay and Cold Collision Trap Losses in Laser-Cooled Ytterbium 223
Active disturbance rejection control: Application to the temperature stabilization of ultra-stable cavities 223
Cell-related effects in the Pulsed Optically Pumped frequency standard 223
Efficient frequency doubling at 399  nm 222
Medium-long term frequency stability of pulsed vapor cell clocks 221
Preliminary step for a UTC(IT) steering algorithm based on the ITCsF2 primary frequency standard measurements 219
A VLBI experiment using a remote atomic clock via a coherent fibre link 218
A Fiber Optic Gyroscope on Multiplexed Telecommunication Network with a Large Enclosed Area 218
In-field Raman amplification on coherent optical fiber links for frequency metrology 217
Comment on 'Evaluation of the primary frequency standard NPL-CsF1' 217
Absolute frequency measurement of the $^1 extS_0$ – $^3 extP_0$ transition of171Yb 217
Electronics for the pulsed rubidium clock: Design and characterization 216
IEN-CsF1 primary frequency standard at INRIM accuracy evaluation and TAI calibrations 214
Improved set-up for the ytterbium optical clock at INRIM 214
Use of Bayesian statistics to reduce the density shift uncertainty in Cesium fountain. 214
Yb optical lattice clock at INRIM. 213
Effect of a timebase mismatch in two-way optical frequency transfer 213
Ytterbium optical lattice clock at INRIM 210
Double-pass acousto-optic modulator system 210
Atomic clocks based on coherent population trapping: basic theoretical models and frequency stability 210
Reducing Cavity-Pulling Shift in Ramsey-Operated Compact Clocks 208
A Large Area Fiber Optic Gyroscope on multiplexed fiber network 208
Optical lattice clocks towards the redefinition of the second 207
Latest Improvements at INRIM Time Laboratory 207
Coherent-population-trapping maser: Noise spectrum and frequency stability 206
Pulsed Optically Pumped Rb clock 206
Yellow laser performance of Dy 3+ in co-dopedDy,Tb:LiLuF4 205
RF SPECTRUM OF A CARRIER WITH A RANDOM PHASE MODULATION OF ARBITRARY SLOPE 204
High-accuracy coherent optical frequency transfer over a doubled 642-km fiber link 203
Measurement of the blackbody shift in the IEN Cs fountain 202
Frequency-stability performances of the pulsed optically pumped rubidium clock: Recent results and future perspectives 202
LIFT-the Italian Link for Time and Frequency 200
Precision Atomic Spectroscopy for Improved Limits on Variation of the Fine Structure Constant and Local Position Invariance 199
Ytterbium optical lattice clock at INRIM 197
Physics characterization and frequency stability of the pulsed rubidium maser 196
null 196
Bayesian estimate of the zero-density frequency of a Cs fountain 195
The cryogenic fountain ITCsF2 195
Accuracy evaluation of ITCsF2: a nitrogen cooled caesium fountain 195
Absolute frequency measurement of the 1S0 – 3P0 transition of 171Yb with a link to International Atomic Time 194
ac Stark shift measurements of the clock transition in cold Cs atoms: Scalar and tensor light shifts of theD2transition 193
Ramsey-fringe shape in an alkali-metal vapor cell with buffer gas 192
Pulsed optically pumped Rb-87 vapor cell frequency standard: A multilevel approach 191
Distributed Raman Amplification for Long-Haul Optical Frequency Dissemination 191
Gravitational red-shift at INRIM 191
Bayesian inference of a negative quantity from positive measurement results 191
Comparing room temperature and cryogenic cesium fountains 189
Frequency transfer via a two-way optical phase comparison on a multiplexed fiber network 189
Pulsed Optically Pumped Rb clock with optical detection: first results 188
Intercontinental comparison of optical atomic clocks through very long baseline interferometry 188
Fiber Raman amplification for metrological transfer of phasecoherent optical frequencies 186
CPT maser clock evaluation for Galileo 185
Yellow solid state laser for Yb atomic clock application 184
Optical frequency transfer over submarine fiber links 184
Comb-assisted cavity ring-down spectroscopy of a buffer-gas-cooled molecular beam 184
Microwave leakage-induced frequency shifts in the primary frequency standards NIST-F1 and IEN-CSF1 184
Optical Frequency Link between Torino and Firenze for remote comparison between Yb and Sr optical clocks 183
Coherent population trapping in cesium: Dark lines and coherent microwave emission 182
Planar-waveguide external cavity laser stabilization for an optical link with 10^-19 frequency stability 182
Spin-exchange frequency shift in alkali-metal-vapor cell frequency standards 181
Optical-to-microwave frequency comparison with fractional uncertainty of 10(-15) 181
Kr-based buffer gas for Rb vapor-cell clocks 180
Reduction of the cold collisions frequency shift in a multiple velocity fountain: a new proposal 178
Improvements on the UTC(IT) timescale at INRIM 175
Dark-line in optically-thick vapors: inversion phenomena and line width narrowing 175
Low Noise Optical Link Development at INRIM. 173
Realization of an ultrastable 578-nm laser for an Yb lattice clock 172
Slow light and superluminality in the coherent population trapping maser 171
The multiple velocity fountain: a new scheme for the cold collision frequency shift reduction 171
Theory of the coherent population trapping maser:  A strong-field self-consistent approach 171
Improving short and long term stability of pulsed optically pumped vapor cell frequency standards 170
Subcollisional linewidth observation in the coherent-population-trapping Rb maser 169
The light shift effect in the coherent population trapping cesium maser 169
Totale 21.500
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Categoria #
all - tutte 174.355
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 174.355
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2019/20207.527 0 0 1.168 2.656 670 519 525 302 612 475 557 43
2020/20215.046 610 151 749 60 641 201 820 338 632 433 284 127
2021/20223.643 695 159 122 241 307 168 378 296 390 380 156 351
2022/20234.493 221 294 397 443 492 816 54 501 775 111 196 193
2023/20243.227 187 290 469 225 196 147 421 240 426 111 125 390
2024/2025432 304 128 0 0 0 0 0 0 0 0 0 0
Totale 33.895