Spagnolo, Vincenzo Luigi
 Distribuzione geografica
Continente #
NA - Nord America 18.233
EU - Europa 16.466
AS - Asia 10.980
SA - Sud America 1.859
Continente sconosciuto - Info sul continente non disponibili 489
AF - Africa 188
OC - Oceania 41
Totale 48.256
Nazione #
US - Stati Uniti d'America 17.568
RU - Federazione Russa 5.785
CN - Cina 3.617
SG - Singapore 3.055
PL - Polonia 2.406
BR - Brasile 1.576
IT - Italia 1.546
IE - Irlanda 1.458
UA - Ucraina 1.200
HK - Hong Kong 1.071
VN - Vietnam 876
DE - Germania 759
SE - Svezia 704
BG - Bulgaria 603
KR - Corea 586
TR - Turchia 580
FI - Finlandia 539
FR - Francia 516
GB - Regno Unito 401
CA - Canada 400
JP - Giappone 360
NL - Olanda 250
BD - Bangladesh 213
IN - India 157
AR - Argentina 107
MY - Malesia 81
MX - Messico 63
ID - Indonesia 55
ES - Italia 54
ZA - Sudafrica 54
IQ - Iraq 53
IL - Israele 47
BE - Belgio 45
EC - Ecuador 43
AT - Austria 42
CO - Colombia 33
CR - Costa Rica 33
PK - Pakistan 32
AU - Australia 30
TT - Trinidad e Tobago 30
CL - Cile 29
SA - Arabia Saudita 29
SC - Seychelles 28
UZ - Uzbekistan 27
HN - Honduras 26
JM - Giamaica 25
VE - Venezuela 22
EU - Europa 19
MA - Marocco 19
RO - Romania 19
EG - Egitto 18
PY - Paraguay 18
GR - Grecia 17
KE - Kenya 17
SV - El Salvador 16
AZ - Azerbaigian 15
CH - Svizzera 15
LT - Lituania 15
NI - Nicaragua 15
PE - Perù 15
TN - Tunisia 15
CW - ???statistics.table.value.countryCode.CW??? 14
GT - Guatemala 14
LU - Lussemburgo 14
PT - Portogallo 13
PH - Filippine 12
AE - Emirati Arabi Uniti 11
IR - Iran 11
JO - Giordania 11
NP - Nepal 11
UY - Uruguay 11
CZ - Repubblica Ceca 10
KZ - Kazakistan 10
PR - Porto Rico 10
KG - Kirghizistan 9
NZ - Nuova Zelanda 9
DZ - Algeria 8
HU - Ungheria 8
EE - Estonia 7
ET - Etiopia 7
GP - Guadalupe 7
BB - Barbados 6
DO - Repubblica Dominicana 6
KH - Cambogia 6
LK - Sri Lanka 6
PA - Panama 6
QA - Qatar 6
TH - Thailandia 6
AL - Albania 5
DK - Danimarca 5
HR - Croazia 5
LV - Lettonia 5
NG - Nigeria 5
BY - Bielorussia 4
GE - Georgia 4
OM - Oman 4
SI - Slovenia 4
AO - Angola 3
BO - Bolivia 3
LA - Repubblica Popolare Democratica del Laos 3
Totale 47.746
Città #
Dallas 3.325
Warsaw 2.388
Chandler 1.609
Singapore 1.605
Jacksonville 1.533
Dublin 1.425
Hong Kong 1.059
Moscow 996
San Jose 934
Council Bluffs 873
Ashburn 831
The Dalles 683
Hefei 603
Sofia 602
Nanjing 601
Seoul 582
Izmir 517
Rome 506
Santa Clara 473
New York 402
Boardman 355
Tokyo 353
Malden 328
Lauterbourg 261
Hanoi 258
Wilmington 252
Beijing 247
Bremen 247
Lawrence 242
Bari 240
Ho Chi Minh City 231
Helsinki 212
Ann Arbor 209
San Mateo 196
Nanchang 194
Kent 180
Ogden 172
Brielle 167
Los Angeles 147
São Paulo 144
Woodbridge 136
Brooklyn 120
Lappeenranta 120
Shenyang 114
Houston 113
Milan 112
Hebei 108
Columbus 105
Dong Ket 103
Jiaxing 89
Kunming 83
Toronto 83
Tianjin 77
Orem 75
Phoenix 66
San Francisco 60
Changsha 59
North Bergen 56
Montreal 55
Rio de Janeiro 55
Amsterdam 53
Shanghai 52
Mountain View 50
Chicago 46
Guangzhou 45
Norwalk 43
Princeton 43
Conversano 42
Frankfurt am Main 41
Atlanta 40
Brussels 40
Chennai 39
Haiphong 39
Verona 37
Belo Horizonte 36
Vienna 35
Hangzhou 34
Munich 34
Denver 32
Seattle 32
Lanzhou 29
Stockholm 29
Hillsboro 28
Naples 28
Johannesburg 27
Zhengzhou 27
Jinan 26
London 26
Manchester 26
Orange 26
Redwood City 26
Torre Del Greco 26
Washington 26
Baghdad 25
Boston 25
Changchun 25
Mumbai 25
Poplar 25
Tashkent 25
Da Nang 24
Totale 29.308
Nome #
Enhancing photoacoustic trace gas detection via a CNN–transformer denoising framework 715
Spectroscopic Study of Volatile Organic Compounds for the Assessment of Coffee Authenticity 617
Dual-Gas Quartz-Enhanced Photoacoustic Sensor for Simultaneous Detection of Methane/Nitrous Oxide and Water Vapor 365
Acoustic Coupling between Resonator Tubes in Quartz-Enhanced Photoacoustic Spectrophones Employing a Large Prong Spacing Tuning Fork 306
Analysis of overtone flexural modes operation in quartz-enhanced photoacoustic spectroscopy 303
Analysis of the electro-elastic properties of custom quartz tuning forks for optoacoustic gas sensing 302
Broadband detection of methane and nitrous oxide using a distributed-feedback quantum cascade laser array and quartz-enhanced photoacoustic sensing 295
Environmental Monitoring of Methane with Quartz-Enhanced Photoacoustic Spectroscopy Exploiting an Electronic Hygrometer to Compensate the H2O Influence on the Sensor Signal 281
Widely-tunable mid-infrared fiber-coupled quartz-enhanced photoacoustic sensor for environmental monitoring 277
2-D Temperature mapping of Vertical-Cavity Surface-Emitting Lasers determined by microprobe electroluminescence 269
Allan deviation plot as a tool for quartz Enhanced Photoacoustic Sensors Noise Analysis 266
Electronic temperatures of terahertz quantum cascade active regions with phonon scattering assisted injection and extraction scheme 256
Atmospheric CH4 measurement near a landfill using an ICL-based QEPAS sensor with V-T relaxation self-calibration 256
A quartz enhanced photo-acoustic gas sensor based on a custom tuning fork and a terahertz quantum cascade laser 255
Single mode operation with mid-IR hollow fibers in the range 5.1-10.5 µm 246
Low-Loss Coupling of Quantum Cascade Lasers into Hollow-Core Waveguides with Single-Mode Output in the 3.7–7.6 μm Spectral Range 245
Highly sensitive gas leak detector based on a quartz-enhanced photoacoustic SF6 sensor 244
A sulfur dioxide detection platform based on photoacoustic spectroscopy and a 266.22 nm high-power stabilized LD-pumped solid-state Q-switched laser 243
Mid infrared quantum cascade laser operating in pure amplitude modulation for background-free trace gas spectroscopy 242
Modulation cancellation method for isotope 18O/16O ratio measurements in water 241
Damping Mechanisms of Piezoelectric Quartz Tuning Forks Employed in Photoacoustic Spectroscopy for Trace Gas Sensing 241
Atmospheric CH4 and N2O measurements near Greater Houston area landfills using a QCL-based QEPAS sensor system during DISCOVER-AQ 2013 240
Broadband Gas QEPAS Detection Exploiting a Monolithic DFB-QCL Array 240
Quartz-enhanced photoacoustic sensor for ethylene detection implementing optimized custom tuning fork-based spectrophone 239
THz Quartz-enhanced photoacoustic sensor for H2S trace gas detection 237
Improved Tuning Fork for Terahertz Quartz-Enhanced Photoacoustic Spectroscopy 234
Front-End Amplifiers for Tuning Forks in Quartz Enhanced PhotoAcoustic Spectroscopy 233
Tuning forks with optimized geometries for quartz-enhanced photoacoustic spectroscopy 232
Purely wavelength- and amplitude-modulated quartz-enhanced photoacoustic spectroscopy 227
Quartz–enhanced photoacoustic spectrophones exploiting custom tuning forks: a review 226
Methane, ethane and propane detection using a compact quartz enhanced photoacoustic sensor and a single interband cascade laser 226
Ppb-level detection of nitric oxide using an external cavity quantum cascade laser based QEPAS sensor 225
Quartz-Enhanced Photoacoustic Spectroscopy: A Review 223
A quartz‑enhanced photoacoustic sensor for H2S trace‑gas detection at 2.6 μm 220
Compact and portable quartz-enhanced photoacoustic spectroscopy sensor for carbon monoxide environmental monitoring in urban areas 219
Application of standard and custom quartz tuning forks for quartz-enhanced photoacoustic spectroscopy gas sensing 218
Cavity and quartz enhanced photo-acoustic mid-IR sensor 218
Fiber-Coupled Quartz-Enhanced Photoacoustic Spectroscopy System for Methane and Ethane Monitoring in the Near-Infrared Spectral Range 217
Analisi spettroscopica dell’emissione da plasma di saldatura con laser a CO2 215
Mid-Infrared Intracavity Quartz-Enhanced Photoacoustic Spectroscopy with pptv – Level Sensitivity Using a T-shaped Custom Tuning Fork 213
Intracavity quartz-enhanced photoacoustic sensor 210
Assessment of the internal quantum efficiency and wall-plug efficiency of THz quantum cascade lasers via a self-calibrated measurements of the subband electronic and lattice temperatures 210
Evidence of electronic confinement in pseudomorphic Si/GaAs superlattices 209
Assessment of vibrational-translational relaxation dynamics of in a wet-nitrogen matrix through QEPAS 208
Compact and Versatile QEPAS-Based Sensor Box for Simultaneous Detection of Methane and Infrared Absorber Gas Molecules in Ambient Air 207
Optical and electronic NOx sensors for applications in mechatronics 205
Quantum Cascade Laser-Based Photoacoustic Sensor for Trace Detection of Formaldehyde Gas 205
Terahertz quartz enhanced photo-acoustic sensor 202
Quartz enhanced photoacoustic H2S gas sensor based on a fiber-amplifier source and a custom tuning fork with large prong spacing 200
Thermoelastic stress in GaAs/AlGaAs quantum cascade lasers 200
Hot-phonon generation in THz quantum cascade lasers 196
On line sensing of ultrafast laser microdrilling processes by optical feedback interferometry 195
All-fiber-coupled mid-infrared quartz-enhanced photoacoustic sensors 193
Advanced optoacoustic sensor designs for environmental applications 193
Fiber-ring laser intracavity QEPAS gas sensor using a 7.2 kHz quartz tuning fork 193
Sub-ppb-level CH4 detection by exploiting a low-noise differential photoacoustic resonator with a room-temperature interband cascade laser 192
Hydrogen peroxide detection with quartz-enhanced photoacoustic spectroscopy using a distributed-feedback quantum cascade laser 191
H2S quartz-enhanced photoacoustic spectroscopy sensor employing a liquid-nitrogen-cooled THz quantum cascade laser operating in pulsed mode 191
Quartz-Enhanced Photoacoustic Detection of Ethane in the Near-IR Exploiting a Highly Performant Spectrophone 190
Nitrous oxide quartz-enhanced photoacoustic detection employing a broadband distributed-feedback quantum cascade laser array 189
Quantum cascade laser-based sensor system for hydrogen peroxide detection 188
Low-loss and single-mode tapered hollow-core waveguides optically coupled with interband and quantum cascade lasers 188
Terahertz quantum cascade lasers with large wall-plug efficiency 186
Facet temperature mapping of GaAs/AlGaAs quantum cascade lasers by photoluminescence microprobe 185
Quartz-enhanced photoacoustic spectroscopy for gas sensing applications 185
Light-induced thermo-elastic effect in quartz tuning forks exploited as a photodetector in gas absorption spectroscopy 185
Photoacoustic spectroscopy for gas sensing: A comparison between piezoelectric and interferometric readout in custom quartz tuning forks 184
Quartz-Enhanced Photoacoustic Sensing of H2S 182
Octupole electrode pattern for tuning forks vibrating at the first overtone mode in quartz-enhanced photoacoustic spectroscopy 182
Greenhouse Gases Detection Exploiting a Multi-Wavelength Interband Cascade Laser Source in a Quartz-Enhanced Photoacoustic Sensor 181
Dual-gas quartz-enhanced photoacoustic spectroscopy sensor exploiting two fiber-combined interband cascade lasers 180
Quartz Enhanced Photoacoustic Sensors for Trace Gas Detection in the IR and THz Spectral Range 180
Recent advances in quartz enhanced photoacoustic sensing 179
Nanoscale heat transfer in quantum cascade lasers 179
Influence of Air Pressure on the Resonance Properties of a T-Shaped Quartz Tuning Fork Coupled with Resonator Tubes 179
Piezo-enhanced acoustic detection module for mid-infrared trace gas sensing using a grooved quartz tuning fork 178
Sub-parts-per-billion level detection of SF6 with a fiber-coupled QCL-QEPAS sensor 177
Quantum-well-laser mirror degradation investigated by microprobe optical spectroscopy 177
Influence of InAs, AlAs δ layers on the optical, electronic, and thermal characteristics of strain-compensated GaInAs∕AlInAs quantum-cascade lasers 176
Simultaneous dual-gas QEPAS detection based on a fundamental and overtone combined vibration of quartz tuning fork 175
High-concentration methane and ethane QEPAS detection employing partial least squares regression to filter out energy relaxation dependence on gas matrix composition 175
Compact quartz-enhanced photoacoustic sensor for ppb-level ambient NO2 detection by use of a high-power laser diode and a grooved tuning fork 174
Influence of Tuning Fork Resonance Properties on Quartz-Enhanced Photoacoustic Spectroscopy Performance 173
Electron lattice coupling in bound-to-continuum THz quantum cascade lasers 172
Simultaneous measurement of the electronic and lattice temperatures in GaAs/Al0.45Ga0.55As quantum-cascade lasers: influence on the optical performance 171
Partial least squares regression as a tool to retrieve gas concentrations in mixtures detected by using quartz-enhanced photoacoustic spectroscopy 171
Subband electronic temperatures and electron-lattice energy relaxation in terahertz quantum cascade lasers with different conduction band offsets 170
Nanoscale displacement sensing based on nonlinear frequency mixing in quantum cascade lasers 170
A study on the incubation effect during multi-shot fs laser ablation of quartz 168
Characterization of H2S QEPAS detection in methane-based gas leaks dispersed into environment 168
Thermal characteristics of quantum-cascade lasers by micro-probe optical spectroscopy 168
Nonequilibrium optical phonon generation by steady-state electron transport in quantum-cascade lasers 168
Mode matching of a laser-beam to a compact high finesse bow-tie optical cavity for quartz enhanced photoacoustic gas sensing 166
Measurement of subband electronic temperatures and population inversion in THz quantum cascade lasers 166
Thermal properties of THz quantum cascade lasers based on different optical waveguide configurations 165
Hollow core waveguide as mid-infrared laser modal beam filter 165
Methane and ethane detection from natural gas level down to trace concentrations using a compact mid-IR LITES sensor based on univariate calibration 164
Mid-infrared fiber-coupled QCL-QEPAS sensor 164
Mid-IR quantum cascade laser mode coupling in hollow-core, fiber-optic waveguides with single-mode beam delivery 164
Double antinode excited quartz-enhanced photoacoustic spectrophone 164
Totale 21.738
Categoria #
all - tutte 186.170
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 186.170


Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2021/20222.481 0 0 0 0 230 57 48 147 214 670 322 793
2022/20234.743 369 216 116 499 547 418 13 293 1.814 215 191 52
2023/20242.375 134 106 84 92 693 393 22 44 265 79 20 443
2024/20255.572 159 66 463 43 390 93 361 563 931 641 1.218 644
2025/202619.347 489 2.661 2.275 2.199 1.206 1.661 4.195 2.482 495 801 511 372
2026/20273.670 266 498 1.172 1.225 509 0 0 0 0 0 0 0
Totale 48.256