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 24.137
EU - Europa 7.745
AS - Asia 2.092
Continente sconosciuto - Info sul continente non disponibili 68
SA - Sud America 57
OC - Oceania 31
AF - Africa 15
Totale 34.145
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Nazione #
US - Stati Uniti d'America 23.908
SE - Svezia 2.092
UA - Ucraina 1.424
IT - Italia 1.160
CN - Cina 1.026
GB - Regno Unito 1.015
DE - Germania 784
SG - Singapore 679
FR - Francia 410
FI - Finlandia 221
CA - Canada 206
IE - Irlanda 191
IN - India 121
RU - Federazione Russa 96
BE - Belgio 64
EU - Europa 60
NL - Olanda 59
PL - Polonia 59
JP - Giappone 53
CH - Svizzera 48
HK - Hong Kong 31
IL - Israele 28
AU - Australia 26
RO - Romania 24
BR - Brasile 23
BA - Bosnia-Erzegovina 21
ES - Italia 21
MX - Messico 21
ID - Indonesia 18
VN - Vietnam 17
IR - Iran 15
TH - Thailandia 15
AR - Argentina 11
AT - Austria 11
TR - Turchia 11
KR - Corea 10
CL - Cile 9
NO - Norvegia 9
TW - Taiwan 9
A2 - ???statistics.table.value.countryCode.A2??? 8
MY - Malesia 8
PH - Filippine 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
BH - Bahrain 3
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 34.145
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Città #
Cambridge 4.289
Fairfield 2.964
Woodbridge 2.237
Chandler 1.898
Houston 1.721
Ashburn 1.531
Wilmington 1.414
Seattle 1.365
Ann Arbor 1.256
Boardman 787
Beijing 629
Jacksonville 606
Singapore 543
Nyköping 467
San Mateo 387
New York 338
Turin 200
Dublin 180
Dearborn 176
Toronto 175
Strasbourg 110
London 107
Rome 101
Ogden 87
Los Angeles 79
San Diego 78
Helsinki 72
Redmond 71
Brussels 62
Guangzhou 53
Kraków 53
Las Vegas 53
Milan 52
Hanover 47
Atlanta 38
Amsterdam 32
Redwood City 31
Tokyo 31
Moscow 28
Paris 22
West Jordan 22
Prescot 20
Shanghai 20
Florence 19
Chiswick 16
Miami 16
Wuhan 16
Mountain View 15
Munich 15
St Petersburg 15
Torino 15
São Paulo 14
San Francisco 13
Zhengzhou 13
Haifa 12
Kilburn 12
New Bedfont 12
Acton 11
Berlin 11
Dong Ket 11
Norwalk 11
Ottawa 11
Sarajevo 11
Teddington 11
Frankfurt am Main 10
Hounslow 10
Indiana 10
Tappahannock 10
Zurich 10
Andover 9
Braunschweig 9
Hong Kong 9
Islington 9
Kyiv 9
Magenta 9
Midleton 9
Nanjing 9
Sydney 9
White Plains 9
Xi'an 9
Amstelveen 8
Bern 8
Hefei 8
Napoli 8
Southend 8
Southwark 8
Chennai 7
Civitavecchia 7
Dallas 7
St Louis 7
Vienna 7
Vimodrone 7
Wandsworth 7
Yekaterinburg 7
Aversa 6
Bangalore 6
Bologna 6
Canberra 6
Cardiff 6
Carshalton 6
Totale 25.001
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Nome #
Ultrastable laser interferometry for earthquake detection with terrestrial and submarine cables 485
Single-Atom Optical Clock with High Accuracy 332
Metrological characterization of INRIM's Yb lattice clock 324
The Italian optical link for time and frequency 315
2006 Conference on Precision Electromagnetic Measurements 291
Direct Observation of Coherent Interorbital Spin-Exchange Dynamics 280
Geodesy and metrology with a transportable optical clock 278
Enhanced temperature sensitivity in vapor-cell frequency standards 273
Doppler-stabilized fiber link with 6 dB noise improvement below the classical limit 269
Multiple wavelength stabilization on a single optical cavity using the offset sideband locking technique 266
Cryogenic Fountain Development at NIST and INRIM: Preliminary Characterization 265
Active Disturbance Rejection Control of Temperature for Ultrastable Optical Cavities 258
Pulsed optically pumped rubidium clock with high frequency-stability performance 257
Improved Set-Up for the Ytterbium Optical Clock at INRIM 255
Measuring absolute frequencies beyond the GPS limit via long-haul optical frequency dissemination 251
Tracking DDS for Coherent Optical Links 249
A Coherent Fiber Link for Very Long Baseline Interferometry 249
Absolute Frequency Measurement of the 173Yb Clock Transition via a 642-km Fiber Link 248
Precision test of the ac Stark shift in a rubidium atomic vapor 247
Synthetic Dimensions and Spin-Orbit Coupling with an Optical Clock Transition 242
Generation of an Ultrastable 578 nm Laser for Yb Lattice Clock 237
Coherent Population Trapping Maser 235
Metrological characterization of the pulsed Rb clock with optical detection 233
CLONETS – Clock network services strategy and innovation for clock services over optical-fibre networks 231
Active disturbance rejection control: Application to the temperature stabilization of ultra-stable cavities 229
Frequency Biases in Pulsed Atomic Fountain Frequency Standards Due to Spurious Components in the Microwave Spectrum 227
Active disturbance rejection control: Application to the temperature stabilization of ultra-stable cavities 227
Cell-related effects in the Pulsed Optically Pumped frequency standard 227
Measurement of Radiative Decay and Cold Collision Trap Losses in Laser-Cooled Ytterbium 225
Efficient frequency doubling at 399  nm 225
A Fiber Optic Gyroscope on Multiplexed Telecommunication Network with a Large Enclosed Area 225
Systematic shift uncertainty evaluation of IEN CSF1 primary frequency standard 225
Absolute frequency measurement of the $^1 extS_0$ – $^3 extP_0$ transition of171Yb 224
Preliminary step for a UTC(IT) steering algorithm based on the ITCsF2 primary frequency standard measurements 223
A VLBI experiment using a remote atomic clock via a coherent fibre link 223
Medium-long term frequency stability of pulsed vapor cell clocks 223
Electronics for the pulsed rubidium clock: Design and characterization 219
In-field Raman amplification on coherent optical fiber links for frequency metrology 218
Comment on 'Evaluation of the primary frequency standard NPL-CsF1' 218
IEN-CsF1 primary frequency standard at INRIM accuracy evaluation and TAI calibrations 216
Yb optical lattice clock at INRIM. 216
Improved set-up for the ytterbium optical clock at INRIM 216
Use of Bayesian statistics to reduce the density shift uncertainty in Cesium fountain. 216
Effect of a timebase mismatch in two-way optical frequency transfer 216
Double-pass acousto-optic modulator system 216
Atomic clocks based on coherent population trapping: basic theoretical models and frequency stability 215
A Large Area Fiber Optic Gyroscope on multiplexed fiber network 215
Ytterbium optical lattice clock at INRIM 212
Optical lattice clocks towards the redefinition of the second 212
Latest Improvements at INRIM Time Laboratory 212
Reducing Cavity-Pulling Shift in Ramsey-Operated Compact Clocks 211
Coherent-population-trapping maser: Noise spectrum and frequency stability 211
Yellow laser performance of Dy 3+ in co-dopedDy,Tb:LiLuF4 209
Pulsed Optically Pumped Rb clock 208
High-accuracy coherent optical frequency transfer over a doubled 642-km fiber link 205
RF SPECTRUM OF A CARRIER WITH A RANDOM PHASE MODULATION OF ARBITRARY SLOPE 205
Measurement of the blackbody shift in the IEN Cs fountain 204
Frequency-stability performances of the pulsed optically pumped rubidium clock: Recent results and future perspectives 204
Precision Atomic Spectroscopy for Improved Limits on Variation of the Fine Structure Constant and Local Position Invariance 202
LIFT-the Italian Link for Time and Frequency 202
Accuracy evaluation of ITCsF2: a nitrogen cooled caesium fountain 201
Ytterbium optical lattice clock at INRIM 200
Absolute frequency measurement of the 1S0 – 3P0 transition of 171Yb with a link to International Atomic Time 200
Bayesian estimate of the zero-density frequency of a Cs fountain 199
ac Stark shift measurements of the clock transition in cold Cs atoms: Scalar and tensor light shifts of theD2transition 199
The cryogenic fountain ITCsF2 198
Physics characterization and frequency stability of the pulsed rubidium maser 197
Distributed Raman Amplification for Long-Haul Optical Frequency Dissemination 196
null 196
Intercontinental comparison of optical atomic clocks through very long baseline interferometry 195
Pulsed optically pumped Rb-87 vapor cell frequency standard: A multilevel approach 194
Bayesian inference of a negative quantity from positive measurement results 194
Ramsey-fringe shape in an alkali-metal vapor cell with buffer gas 193
Comparing room temperature and cryogenic cesium fountains 193
Gravitational red-shift at INRIM 192
Frequency transfer via a two-way optical phase comparison on a multiplexed fiber network 190
Pulsed Optically Pumped Rb clock with optical detection: first results 190
CPT maser clock evaluation for Galileo 189
Yellow solid state laser for Yb atomic clock application 188
Comb-assisted cavity ring-down spectroscopy of a buffer-gas-cooled molecular beam 188
Microwave leakage-induced frequency shifts in the primary frequency standards NIST-F1 and IEN-CSF1 187
Fiber Raman amplification for metrological transfer of phasecoherent optical frequencies 187
Coherent population trapping in cesium: Dark lines and coherent microwave emission 186
Optical frequency transfer over submarine fiber links 186
Optical Frequency Link between Torino and Firenze for remote comparison between Yb and Sr optical clocks 184
Planar-waveguide external cavity laser stabilization for an optical link with 10^-19 frequency stability 184
Kr-based buffer gas for Rb vapor-cell clocks 184
Spin-exchange frequency shift in alkali-metal-vapor cell frequency standards 183
Optical-to-microwave frequency comparison with fractional uncertainty of 10(-15) 182
Reduction of the cold collisions frequency shift in a multiple velocity fountain: a new proposal 179
Improvements on the UTC(IT) timescale at INRIM 178
Dark-line in optically-thick vapors: inversion phenomena and line width narrowing 178
Low Noise Optical Link Development at INRIM. 175
"A 650 km-Long Optical Fiber Link For Accurate Time and Frequency Metrology" 173
The multiple velocity fountain: a new scheme for the cold collision frequency shift reduction 173
Theory of the coherent population trapping maser:  A strong-field self-consistent approach 173
Realization of an ultrastable 578-nm laser for an Yb lattice clock 173
Slow light and superluminality in the coherent population trapping maser 172
Distributed Raman Optical Amplification in Phase Coherent Transfer of Optical Frequencies 171
Improving short and long term stability of pulsed optically pumped vapor cell frequency standards 171
Totale 21.822
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Categoria #
all - tutte 192.416
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 192.416
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2019/20203.703 0 0 0 0 670 519 525 302 612 475 557 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
2023/20243.188 187 290 465 222 193 147 421 239 421 105 110 388
2024/20251.309 304 125 373 258 249 0 0 0 0 0 0 0
Totale 34.733