Class information for:
Level 1: OPTICALLY PUMPED FAR INFRARED LASER//INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES//INTERACTION OF RAMAN PROCESSES

Basic class information

Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes

The table includes all classes above and classes immediately below the current class.



Cluster id Level Cluster label #P
13 4 PHYSICS, PARTICLES & FIELDS//PHYSICS, NUCLEAR//OPTICS 1062565
467 3       JOURNAL OF MOLECULAR SPECTROSCOPY//QUANTUM CASCADE LASER//JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER 25858
539 2             JOURNAL OF MOLECULAR SPECTROSCOPY//PHYSICS, ATOMIC, MOLECULAR & CHEMICAL//JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER 15253
20329 1                   OPTICALLY PUMPED FAR INFRARED LASER//INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES//INTERACTION OF RAMAN PROCESSES 487

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 OPTICALLY PUMPED FAR INFRARED LASER authKW 403220 2% 69% 9
2 INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES journal 274421 25% 3% 122
3 INTERACTION OF RAMAN PROCESSES authKW 258861 1% 100% 4
4 D2OGAS authKW 194146 1% 100% 3
5 TWO LONGITUDINAL MODE OPTICALLY PUMPING authKW 194146 1% 100% 3
6 FAR INFRARED LASER authKW 182261 3% 22% 13
7 GROUND STATE REVERSED TRANSITION authKW 129430 0% 100% 2
8 METHANOL GASLASER authKW 129430 0% 100% 2
9 MULTI RAMAN INTERACTION authKW 129430 0% 100% 2
10 OPTICALLY PUMPED FIR LASER authKW 129430 0% 100% 2

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Optics 14985 72% 0% 351
2 Physics, Applied 4505 61% 0% 297
3 Engineering, Electrical & Electronic 2287 41% 0% 199
4 Instruments & Instrumentation 243 8% 0% 38
5 Spectroscopy 79 4% 0% 20
6 Physics, Atomic, Molecular & Chemical 57 6% 0% 27
7 Physics, Nuclear 37 3% 0% 16
8 Nuclear Science & Technology 31 3% 0% 15
9 Physics, Multidisciplinary 17 5% 0% 22
10 Physics, Particles & Fields 16 3% 0% 14

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INN ENEA 64715 0% 100% 1
2 NPO LAZERAYIN TEKN 64715 0% 100% 1
3 PHOTON OPTOELECT DEVICES FABRICAT 64715 0% 100% 1
4 DIPARTIMENTO TIB 51770 0% 40% 2
5 IST FIS ATOM MOL 47208 2% 8% 9
6 ENEA DIP 32357 0% 50% 1
7 STATE ULTRAFAST LASE SPECT 32357 0% 50% 1
8 STATE ULTRAFAST LASER SPECT 16280 1% 4% 6
9 DIPARTIMENTO INN 16177 0% 25% 1
10 LASER OPTOELECT INFORMAT SCI TECHNOL 12941 0% 20% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES 274421 25% 3% 122
2 INFRARED PHYSICS 52784 6% 3% 29
3 IEEE JOURNAL OF QUANTUM ELECTRONICS 15940 9% 1% 46
4 INFRARED PHYSICS & TECHNOLOGY 8759 4% 1% 18
5 OPTICS COMMUNICATIONS 4081 8% 0% 41
6 APPLIED PHYSICS B-PHOTOPHYSICS AND LASER CHEMISTRY 3312 2% 1% 9
7 JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES 3289 1% 1% 7
8 ARCHIV FUR ELEKTROTECHNIK 2638 1% 1% 5
9 JOURNAL OF INFRARED AND MILLIMETER WAVES 789 1% 0% 5
10 KVANTOVAYA ELEKTRONIKA 786 2% 0% 9

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 OPTICALLY PUMPED FAR INFRARED LASER 403220 2% 69% 9 Search OPTICALLY+PUMPED+FAR+INFRARED+LASER Search OPTICALLY+PUMPED+FAR+INFRARED+LASER
2 INTERACTION OF RAMAN PROCESSES 258861 1% 100% 4 Search INTERACTION+OF+RAMAN+PROCESSES Search INTERACTION+OF+RAMAN+PROCESSES
3 D2OGAS 194146 1% 100% 3 Search D2OGAS Search D2OGAS
4 TWO LONGITUDINAL MODE OPTICALLY PUMPING 194146 1% 100% 3 Search TWO+LONGITUDINAL+MODE+OPTICALLY+PUMPING Search TWO+LONGITUDINAL+MODE+OPTICALLY+PUMPING
5 FAR INFRARED LASER 182261 3% 22% 13 Search FAR+INFRARED+LASER Search FAR+INFRARED+LASER
6 GROUND STATE REVERSED TRANSITION 129430 0% 100% 2 Search GROUND+STATE+REVERSED+TRANSITION Search GROUND+STATE+REVERSED+TRANSITION
7 METHANOL GASLASER 129430 0% 100% 2 Search METHANOL+GASLASER Search METHANOL+GASLASER
8 MULTI RAMAN INTERACTION 129430 0% 100% 2 Search MULTI+RAMAN+INTERACTION Search MULTI+RAMAN+INTERACTION
9 OPTICALLY PUMPED FIR LASER 129430 0% 100% 2 Search OPTICALLY+PUMPED+FIR+LASER Search OPTICALLY+PUMPED+FIR+LASER
10 OPTICALLY PUMPED SMMW LASER 129430 0% 100% 2 Search OPTICALLY+PUMPED+SMMW+LASER Search OPTICALLY+PUMPED+SMMW+LASER

Core articles

The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1



rank cluster_id2 link
1 17780 ECTDL//JOURNAL OF MOLECULAR SPECTROSCOPY//LINELIST
2 23296 SEQUENCE BAND//COMITATO NAZL ENERGIA NUCL ENERGIE ALTERNAT//FOREIGN GAS EFFECT
3 12466 ASTROPHYSICAL MOLECULE//OPTICALLY PUMPED MOLECULAR LASER//CLAMS
4 17416 PLASMA POLARIMETRY//POLARIMETER INTERFEROMETER//ANGULAR VARIABLE TECHNIQUE
5 25192 INFRARED PHYSICS//INFRARED STANDARDS//TRANSMITTANCE STANDARDS
6 8495 STIMULATED RAMAN SCATTERING//STIMULATED ROTATIONAL RAMAN SCATTERING//FOUR WAVE RAMAN MIXING
7 9267 VECTOR LASERS//TODA OSCILLATOR//EQUIPE ASSOCIEE CNRS UP A 6082
8 33162 TWO PHOTON GAIN//TWO PHOTON LASING//TWO PHOTON LASER
9 4759 SELF SUSTAINED VOLUME DISCHARGE//TEA CO2 LASER//LONGITUDINAL EXCITATION
10 9215 JOURNAL OF MOLECULAR SPECTROSCOPY//SYMMETRIC TOP MOLECULES//DEUTERATED FLUOROFORM

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