Class information for:
Level 2: OPTICAL REFRIGERATION//LASER COOLING OF SOLIDS//ANTI STOKES FLUORESCENCE

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
1 4 PHYSICS, CONDENSED MATTER//PHYSICS, APPLIED//MATERIALS SCIENCE, MULTIDISCIPLINARY 2188495
64 3       SEMICONDUCTOR LASERS//PHYSICS, APPLIED//PHYSICS, CONDENSED MATTER 89567
4098 2             OPTICAL REFRIGERATION//LASER COOLING OF SOLIDS//ANTI STOKES FLUORESCENCE 687
25719 1                   OPTICAL REFRIGERATION//LASER COOLING OF SOLIDS//ANTI STOKES FLUORESCENCE 295
28466 1                   PIXELLESS IMAGING//HYBRID UP CONVERSION DEVICE//ANTI STOKES PHOTOLUMINESCENCE 225
35250 1                   AC DC METHOD//BUILT IN ELECTROMAGNET//DISCRETE VARIATIONAL CALCULATION 114
38771 1                   MAXWELL SCHRODINGER EQUATIONS//ASSOCIATED BESSEL//DIPARTIMENTO INGN BIOMED ELETTRON TELECOMINUCAZ 53

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 OPTICAL REFRIGERATION authKW 599427 2% 93% 14
2 LASER COOLING OF SOLIDS authKW 326218 1% 89% 8
3 ANTI STOKES FLUORESCENCE authKW 266903 1% 73% 8
4 AC DC METHOD authKW 137624 0% 100% 3
5 PIXELLESS IMAGING authKW 137624 0% 100% 3
6 LASER COOLING authKW 102141 4% 7% 30
7 ANTI STOKES FLUORESCENT COOLING authKW 91749 0% 100% 2
8 ANTI STOKES LASER COOLING authKW 91749 0% 100% 2
9 ELECTRON PHONON BANDS authKW 91749 0% 100% 2
10 HYBRID UP CONVERSION DEVICE authKW 91749 0% 100% 2

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Physics, Applied 1950 35% 0% 243
2 Optics 1895 23% 0% 156
3 Physics, Condensed Matter 1499 26% 0% 176
4 Materials Science, Multidisciplinary 317 18% 0% 124
5 Nanoscience & Nanotechnology 233 7% 0% 50
6 Physics, Multidisciplinary 220 10% 0% 67
7 Physics, Mathematical 101 4% 0% 28
8 Engineering, Electrical & Electronic 49 8% 0% 53
9 Materials Science, Ceramics 41 2% 0% 13
10 Computer Science, Interdisciplinary Applications 21 2% 0% 15

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 OPT SCI ENGN PROGRAM 54605 1% 24% 5
2 CENIMAT IN CEMOP 3 45875 0% 100% 1
3 CHEM SCI ENGNSHANDONG SINO J ANESE C 45875 0% 100% 1
4 CNRS UPR 211 45875 0% 100% 1
5 CNRSPHYS MAT GRP 45875 0% 100% 1
6 DEVIS PHYS PL PHYS 45875 0% 100% 1
7 DIPARTIMENTO INGN BIOMED ELETTRON TELECOMINUCAZ 45875 0% 100% 1
8 DNEST IST NANOSCI 45875 0% 100% 1
9 FED SCI PROD NPO 45875 0% 100% 1
10 GEOL CHEM PHYS 45875 0% 100% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 LASER PHYSICS 1661 2% 0% 13
2 JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS 1616 3% 0% 20
3 CRYSTAL LATTICE DEFECTS AND AMORPHOUS MATERIALS 1264 0% 1% 3
4 PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES 1047 2% 0% 14
5 NATURE PHOTONICS 1022 1% 0% 5
6 PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE 856 3% 0% 20
7 APPLIED PHYSICS LETTERS 843 7% 0% 47
8 OPTICAL MATERIALS 797 2% 0% 11
9 JOURNAL OF APPLIED PHYSICS 694 6% 0% 42
10 JOURNAL OF MATERIALS SCIENCE LETTERS 684 2% 0% 13

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 OPTICAL REFRIGERATION 599427 2% 93% 14 Search OPTICAL+REFRIGERATION Search OPTICAL+REFRIGERATION
2 LASER COOLING OF SOLIDS 326218 1% 89% 8 Search LASER+COOLING+OF+SOLIDS Search LASER+COOLING+OF+SOLIDS
3 ANTI STOKES FLUORESCENCE 266903 1% 73% 8 Search ANTI+STOKES+FLUORESCENCE Search ANTI+STOKES+FLUORESCENCE
4 AC DC METHOD 137624 0% 100% 3 Search AC+DC+METHOD Search AC+DC+METHOD
5 PIXELLESS IMAGING 137624 0% 100% 3 Search PIXELLESS+IMAGING Search PIXELLESS+IMAGING
6 LASER COOLING 102141 4% 7% 30 Search LASER+COOLING Search LASER+COOLING
7 ANTI STOKES FLUORESCENT COOLING 91749 0% 100% 2 Search ANTI+STOKES+FLUORESCENT+COOLING Search ANTI+STOKES+FLUORESCENT+COOLING
8 ANTI STOKES LASER COOLING 91749 0% 100% 2 Search ANTI+STOKES+LASER+COOLING Search ANTI+STOKES+LASER+COOLING
9 ELECTRON PHONON BANDS 91749 0% 100% 2 Search ELECTRON+PHONON+BANDS Search ELECTRON+PHONON+BANDS
10 HYBRID UP CONVERSION DEVICE 91749 0% 100% 2 Search HYBRID+UP+CONVERSION+DEVICE Search HYBRID+UP+CONVERSION+DEVICE

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 2



rank cluster_id2 link
1 504 QUANTUM DOTS//SELF ASSEMBLED QUANTUM DOTS//MOLECULAR BEAM EPITAXY
2 2398 COLOR CENTERS//ALKALI HALIDES//ELECTROLYTIC COLORATION
3 2824 ENERGIA SOLAR//MULTIJUNCTION SOLAR CELLS//INTERMEDIATE BAND
4 129 QUANTUM DOTS//ZNS//NANOCRYSTALS
5 496 SCINTILLATOR//JOURNAL OF LUMINESCENCE//JUDD OFELT THEORY
6 599 SOLID STATE LASERS//DIODE PUMPED LASERS//CRYSTAL MAT
7 1579 POLARITONS//SPIN OPT//MICROCAVITY
8 26 SUPERLATTICES AND MICROSTRUCTURES//QUANTUM WELLS//PHYSICS, CONDENSED MATTER
9 2155 CASIMIR EFFECT//CASIMIR FORCE//THERMOPHOTOVOLTAICS
10 1236 GAINNAS//DILUTE NITRIDES//ANTIMONIDES

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