Class information for:
Level 1: CHEMICAL COMPOSITION GRATINGS//REGENERATED FIBER BRAGG GRATINGS//INTERDISCIPLINARY PHOTON S

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
33 3       OPTICS//IEEE PHOTONICS TECHNOLOGY LETTERS//JOURNAL OF LIGHTWAVE TECHNOLOGY 112980
132 2             FIBER BRAGG GRATING//FIBER OPTIC SENSOR//OPTICS 23388
22512 1                   CHEMICAL COMPOSITION GRATINGS//REGENERATED FIBER BRAGG GRATINGS//INTERDISCIPLINARY PHOTON S 401

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CHEMICAL COMPOSITION GRATINGS authKW 471568 1% 100% 6
2 REGENERATED FIBER BRAGG GRATINGS authKW 392973 1% 100% 5
3 INTERDISCIPLINARY PHOTON S address 352964 4% 28% 16
4 REGENERATED GRATINGS authKW 314375 1% 67% 6
5 STRAIN AND TEMPERATURE authKW 235784 1% 100% 3
6 INTERDISCIPLINARY PHOTON S IPL address 202683 2% 37% 7
7 OPTICAL FIBER THERMOMETRY authKW 157189 0% 100% 2
8 PHOTOG GRP address 157189 0% 100% 2
9 REGENERATED FIBER BRAGG GRATING RFBG authKW 157189 0% 100% 2
10 SAPPHIRE OPTICAL FIBER authKW 157189 0% 100% 2

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Optics 8429 60% 0% 240
2 Instruments & Instrumentation 928 16% 0% 63
3 Engineering, Electrical & Electronic 508 23% 0% 91
4 Theater 455 2% 0% 7
5 Physics, Applied 422 23% 0% 92
6 Engineering, General 138 5% 0% 20
7 Telecommunications 45 3% 0% 14
8 Electrochemistry 24 3% 0% 11
9 Materials Science, Multidisciplinary 16 8% 0% 33
10 Engineering, Aerospace 10 1% 0% 4

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INTERDISCIPLINARY PHOTON S 352964 4% 28% 16
2 INTERDISCIPLINARY PHOTON S IPL 202683 2% 37% 7
3 PHOTOG GRP 157189 0% 100% 2
4 CNRS RECH COMPOSANTS LOGICIELS MAT INFORMA 78595 0% 100% 1
5 ELECT OPT TECHNOL GRP 78595 0% 100% 1
6 ENGINEEGING MATH SCI 78595 0% 100% 1
7 FIBER IL 78595 0% 100% 1
8 FIBER OPT PHOTON DEVIS 78595 0% 100% 1
9 FIBRE IL 78595 0% 100% 1
10 FIBRE OPT S 78595 0% 100% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 TCI 80220 2% 15% 7
2 OPTICS LETTERS 9716 15% 0% 61
3 IEEE PHOTONICS TECHNOLOGY LETTERS 3699 7% 0% 28
4 OPTICS EXPRESS 2992 9% 0% 37
5 MEASUREMENT SCIENCE AND TECHNOLOGY 2696 4% 0% 18
6 JOURNAL OF LASER MICRO NANOENGINEERING 2102 1% 1% 4
7 IEEE SENSORS JOURNAL 1735 3% 0% 12
8 JOURNAL OF THE EUROPEAN OPTICAL SOCIETY-RAPID PUBLICATIONS 1214 1% 1% 3
9 HIGH TEMPERATURE AND MATERIALS SCIENCE 1137 0% 1% 1
10 STRAIN 922 1% 0% 3

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 CHEMICAL COMPOSITION GRATINGS 471568 1% 100% 6 Search CHEMICAL+COMPOSITION+GRATINGS Search CHEMICAL+COMPOSITION+GRATINGS
2 REGENERATED FIBER BRAGG GRATINGS 392973 1% 100% 5 Search REGENERATED+FIBER+BRAGG+GRATINGS Search REGENERATED+FIBER+BRAGG+GRATINGS
3 REGENERATED GRATINGS 314375 1% 67% 6 Search REGENERATED+GRATINGS Search REGENERATED+GRATINGS
4 STRAIN AND TEMPERATURE 235784 1% 100% 3 Search STRAIN+AND+TEMPERATURE Search STRAIN+AND+TEMPERATURE
5 OPTICAL FIBER THERMOMETRY 157189 0% 100% 2 Search OPTICAL+FIBER+THERMOMETRY Search OPTICAL+FIBER+THERMOMETRY
6 REGENERATED FIBER BRAGG GRATING RFBG 157189 0% 100% 2 Search REGENERATED+FIBER+BRAGG+GRATING+RFBG Search REGENERATED+FIBER+BRAGG+GRATING+RFBG
7 SAPPHIRE OPTICAL FIBER 157189 0% 100% 2 Search SAPPHIRE+OPTICAL+FIBER Search SAPPHIRE+OPTICAL+FIBER
8 SAPPHIRE FIBER 130984 1% 33% 5 Search SAPPHIRE+FIBER Search SAPPHIRE+FIBER
9 FEMTOSECOND UV LASER 117889 1% 50% 3 Search FEMTOSECOND+UV+LASER Search FEMTOSECOND+UV+LASER
10 FIBER BRAGG GRATING 114888 13% 3% 54 Search FIBER+BRAGG+GRATING Search FIBER+BRAGG+GRATING

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 5746 GRATINGS IN FIBERS//FIBER BRAGG GRATING//DISPERSION COMPENSATION
2 217 LONG PERIOD FIBER GRATING//LONG PERIOD GRATING//OPTICAL FIBER SENSOR
3 1286 RADIATION INDUCED ATTENUATION//H CURIEN//PHYS ASTRON SCI
4 3589 FIBER BRAGG GRATING//FIBER BRAGG GRATING FBG//FBG SENSOR
5 2389 FEMTOSECOND LASER//LASER MICROPROC GRP//PHOTON CRAFT PROJECT
6 29827 OPTOMECHANICAL PRESSURE SENSOR//P SI MEMBRANE//SIGNAL AVERAGING EFFECT
7 15893 HOLLOW WAVEGUIDE//INFRARED FIBERS//HOLLOW GLASS WAVEGUIDE
8 653 PHOTONIC CRYSTAL FIBER//CONFINEMENT LOSS//PHOTONIC CRYSTAL FIBER PCF
9 8188 EXTRINSIC FABRY PEROT INTERFEROMETER//WHITE LIGHT INTERFEROMETRY//MICHELSON INTERFEROMETRIC SENSOR
10 2813 FIBER AMPLIFIER//FIBER LASER//DOUBLE CLAD FIBER

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