Class information for:
Level 1: CNR IFN UOS BARI//PHOTOACOUSTIC SPECTROSCOPY//LASER PHOTOACOUSTIC SPECTROSCOPY

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
12970 805 20.7 58%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
1559 6761 QUANTUM CASCADE LASERS//QUANTUM CASCADE LASER//QUANTUM CASCADE LASERS QCLS

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 CNR IFN UOS BARI Address 15 88% 1% 7
2 PHOTOACOUSTIC SPECTROSCOPY Author keyword 13 13% 11% 90
3 LASER PHOTOACOUSTIC SPECTROSCOPY Author keyword 11 48% 2% 16
4 LASER SPECT ENVIRONM SENSING Address 7 67% 1% 6
5 RESONANT PHOTOACOUSTIC CELL Author keyword 6 80% 0% 4
6 CANTILEVER MICROPHONE Author keyword 6 71% 1% 5
7 EXTERNAL ACOUSTIC NOISE ATTENUATION Author keyword 6 100% 0% 4
8 QUARTZ ENHANCED PHOTOACOUSTIC SPECTROSCOPY Author keyword 5 37% 1% 11
9 LASER SPECT SENSING Address 4 36% 1% 10
10 TRACE GAS DETECTION Author keyword 3 17% 2% 18

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 PHOTOACOUSTIC SPECTROSCOPY 13 13% 11% 90 Search PHOTOACOUSTIC+SPECTROSCOPY Search PHOTOACOUSTIC+SPECTROSCOPY
2 LASER PHOTOACOUSTIC SPECTROSCOPY 11 48% 2% 16 Search LASER+PHOTOACOUSTIC+SPECTROSCOPY Search LASER+PHOTOACOUSTIC+SPECTROSCOPY
3 RESONANT PHOTOACOUSTIC CELL 6 80% 0% 4 Search RESONANT+PHOTOACOUSTIC+CELL Search RESONANT+PHOTOACOUSTIC+CELL
4 CANTILEVER MICROPHONE 6 71% 1% 5 Search CANTILEVER+MICROPHONE Search CANTILEVER+MICROPHONE
5 EXTERNAL ACOUSTIC NOISE ATTENUATION 6 100% 0% 4 Search EXTERNAL+ACOUSTIC+NOISE+ATTENUATION Search EXTERNAL+ACOUSTIC+NOISE+ATTENUATION
6 QUARTZ ENHANCED PHOTOACOUSTIC SPECTROSCOPY 5 37% 1% 11 Search QUARTZ+ENHANCED+PHOTOACOUSTIC+SPECTROSCOPY Search QUARTZ+ENHANCED+PHOTOACOUSTIC+SPECTROSCOPY
7 TRACE GAS DETECTION 3 17% 2% 18 Search TRACE+GAS+DETECTION Search TRACE+GAS+DETECTION
8 TRACE GAS MONITORING 2 38% 1% 5 Search TRACE+GAS+MONITORING Search TRACE+GAS+MONITORING
9 QUARTZ TUNING FORK 2 18% 1% 12 Search QUARTZ+TUNING+FORK Search QUARTZ+TUNING+FORK
10 NEAR INFRARED LASER DIODES 2 67% 0% 2 Search NEAR+INFRARED+LASER+DIODES Search NEAR+INFRARED+LASER+DIODES

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 ENHANCED PHOTOACOUSTIC SPECTROSCOPY 15 45% 3% 25
2 EXTENDED HELMHOLTZ RESONATOR 12 86% 1% 6
3 PPB LEVEL DETECTION 11 100% 1% 6
4 AMMONIA DETECTION 8 38% 2% 16
5 QEPAS SENSOR 7 67% 1% 6
6 PPM LEVEL 6 100% 0% 4
7 WATER VAPOR DETECTOR 6 100% 0% 4
8 SPECTROPHONE 5 63% 1% 5
9 TRACE GAS DETECTION 4 15% 3% 24
10 TRACE GAS ANALYSIS 3 12% 3% 24

Journals

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Quartz-Enhanced Photoacoustic Spectroscopy: A Review 2014 22 74 66%
Application of acoustic resonators in photoacoustic trace gas analysis and metrology 2001 257 38 79%
Photoacoustic Techniques for Trace Gas Sensing Based on Semiconductor Laser Sources 2009 40 42 74%
Recent Progress on Infrared Photoacoustic Spectroscopy Techniques 2011 10 176 70%
Laser photoacoustic spectroscopy: principles, instrumentation, and characterization 2007 19 61 72%
Photoacoustic Instruments for Practical Applications: Present, Potentials, and Future Challenges 2011 6 74 81%
Photoacoustic spectroscopy for analytical measurements 2012 18 139 35%
Photoacoustic gas analysis using interferometric cantilever microphone 2007 18 23 65%
Two-channel opto-acoustic diode laser spectrometer and fine structure of methane absorption spectra in 6070-6180 cm(-1) region 2007 9 12 67%
Ammonia monitoring at ppb level using photoacoustic spectroscopy for environmental application 2008 26 25 36%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 CNR IFN UOS BARI 15 88% 0.9% 7
2 LASER SPECT ENVIRONM SENSING 7 67% 0.7% 6
3 LASER SPECT SENSING 4 36% 1.2% 10
4 GRP LASER PHYS 3 12% 3.0% 24
5 POSTDOCTORAL MOBILE STN POWER ENGN ENGN THERMOP 3 60% 0.4% 3
6 CIENCIAS FIS LCFIS 2 67% 0.2% 2
7 SPACE INFORMAT SIMULAT TECHNOL 2 67% 0.2% 2
8 INVEST LASE LICAC 2 18% 1.0% 8
9 GRP PHOTOACOUST SPECT 1 100% 0.2% 2
10 OPTIC QUANTUM ELECT 1 50% 0.2% 2

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000204418 HIGH TEMP GASDYNAM//WAVELENGTH MODULATION SPECTROSCOPY//WAVELENGTH MODULATION
2 0.0000076573 PHOTOACOUSTIC SPECTROSCOPY//PHOTOACOUSTIC PHASE//STEP SCAN FT IR
3 0.0000074011 CAVITY RING DOWN CRD//INCOHERENT BROADBAND CAVITY ENHANCED ABSORPTION SPECTROSCOPY//CAVITY RINGDOWN
4 0.0000063222 COLLISION BROADENING COEFFICIENTS//INTENSITY STABILITY//UP A CNRS D1434
5 0.0000061530 QUANTUM CASCADE LASERS//QUANTUM CASCADE LASERS QCLS//QUANTUM CASCADE LASER
6 0.0000058168 PHOTOPYROELECTRIC TECHNIQUE//THERMAL EFFUSIVITY//PHOTOPYROELECTRIC CALORIMETRY
7 0.0000051056 ARKANSAS NANOMED//PHILLIPS CLASS LASER NANOMED S//PHOTOACOUSTIC RAMAN SPECTROSCOPY
8 0.0000050013 TENSORIAL FORMALISM//CH3D//MONODEUTERATED METHANE
9 0.0000049158 BACTERIOPHEOPHYTIN C//STILBAZOLIUM MEROCYANINE//STILBAZOLIUM MEROCYANINES
10 0.0000045444 MICROPHONE//TELECOMMUN ELE OACOUST//CONDENSER MICROPHONES