Class information for:
Level 3: OPTICS//IEEE PHOTONICS TECHNOLOGY LETTERS//JOURNAL OF LIGHTWAVE TECHNOLOGY

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
78 2             IEEE PHOTONICS TECHNOLOGY LETTERS//JOURNAL OF LIGHTWAVE TECHNOLOGY//OPTICAL FIBER COMMUNICATION 27533
132 2             FIBER BRAGG GRATING//FIBER OPTIC SENSOR//OPTICS 23388
274 2             INTEGRATED OPTICS//OPTICS//JOURNAL OF LIGHTWAVE TECHNOLOGY 19226
783 2             FIBER LASER//OPTICS//FIBER AMPLIFIER 12507
1213 2             OPTICS//OPTICS LETTERS//CHIRPED PULSE AMPLIFICATION 9463
1256 2             SPATIAL SOLITONS//SPATIAL OPTICAL SOLITONS//OPTICS 9171
1782 2             PHOTONIC CRYSTAL FIBER//SUPERCONTINUUM GENERATION//CONFINEMENT LOSS 6674
2389 2             WHISPERING GALLERY MODES//MICRODISK//OPTOFLUIDICS 4483
4235 2             ERICSSON REVIEW//OPTICAL CONNECTOR//OPTICAL FIBER CONNECTOR 535

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 OPTICS WoSSC 2983918 67% 15% 75574
2 IEEE PHOTONICS TECHNOLOGY LETTERS journal 1506979 8% 58% 9475
3 JOURNAL OF LIGHTWAVE TECHNOLOGY journal 1472288 7% 66% 8118
4 OPTICS LETTERS journal 725222 8% 30% 8898
5 OPTICS EXPRESS journal 649636 8% 26% 9166
6 ENGINEERING, ELECTRICAL & ELECTRONIC WoSSC 437576 37% 4% 42244
7 FIBER LASER authKW 407338 2% 79% 1866
8 OPTICAL FIBER COMMUNICATION authKW 386174 2% 79% 1763
9 OPTICAL COMMUNICATION authKW 369425 2% 62% 2176
10 OPTICS COMMUNICATIONS journal 369070 5% 23% 5974

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Optics 2983918 67% 15% 75574
2 Engineering, Electrical & Electronic 437576 37% 4% 42244
3 Telecommunications 196021 12% 6% 13196
4 Physics, Applied 137699 24% 2% 27575
5 Instruments & Instrumentation 9520 4% 1% 4249
6 Physics, Multidisciplinary 5359 5% 1% 5570
7 Physics, Mathematical 434 1% 1% 1453
8 Engineering, General 432 1% 1% 1165
9 Computer Science, Hardware & Architecture 310 1% 1% 683
10 Physics, Fluids & Plasmas 201 1% 1% 1019

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PHOTON 186423 2% 25% 2789
2 OPTOELECT 104315 2% 22% 1785
3 PHOTON GRP 97721 1% 48% 740
4 OPTOELECT SCI ENGN 91658 1% 37% 900
5 LIGHTWAVE TECHNOL 91348 0% 72% 459
6 ELECT ENGN 73829 8% 4% 8702
7 STATE ADV OPT COMMUN SYST NETWORKS 73663 1% 41% 658
8 PHOTON TECHNOL 72219 1% 44% 592
9 MICROWAVE PHOTON 69984 0% 85% 298
10 FIBER OPT 63213 0% 53% 434

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 IEEE PHOTONICS TECHNOLOGY LETTERS 1506979 8% 58% 9475
2 JOURNAL OF LIGHTWAVE TECHNOLOGY 1472288 7% 66% 8118
3 OPTICS LETTERS 725222 8% 30% 8898
4 OPTICS EXPRESS 649636 8% 26% 9166
5 OPTICS COMMUNICATIONS 369070 5% 23% 5974
6 ELECTRONICS LETTERS 319167 6% 17% 6835
7 OPTICAL FIBER TECHNOLOGY 204585 1% 77% 960
8 APPLIED OPTICS 152440 4% 13% 4529
9 IEEE PHOTONICS JOURNAL 138282 1% 46% 1106
10 JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS 131464 2% 21% 2325

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 FIBER LASER 407338 2% 79% 1866 Search FIBER+LASER Search FIBER+LASER
2 OPTICAL FIBER COMMUNICATION 386174 2% 79% 1763 Search OPTICAL+FIBER+COMMUNICATION Search OPTICAL+FIBER+COMMUNICATION
3 OPTICAL COMMUNICATION 369425 2% 62% 2176 Search OPTICAL+COMMUNICATION Search OPTICAL+COMMUNICATION
4 FIBER BRAGG GRATING 348036 1% 79% 1584 Search FIBER+BRAGG+GRATING Search FIBER+BRAGG+GRATING
5 PHOTONIC CRYSTAL FIBER 292657 1% 88% 1202 Search PHOTONIC+CRYSTAL+FIBER Search PHOTONIC+CRYSTAL+FIBER
6 OPTICAL FIBERS 258962 2% 49% 1912 Search OPTICAL+FIBERS Search OPTICAL+FIBERS
7 INTEGRATED OPTICS 257733 1% 58% 1600 Search INTEGRATED+OPTICS Search INTEGRATED+OPTICS
8 WAVELENGTH DIVISION MULTIPLEXING 251774 1% 68% 1349 Search WAVELENGTH+DIVISION+MULTIPLEXING Search WAVELENGTH+DIVISION+MULTIPLEXING
9 SEMICONDUCTOR OPTICAL AMPLIFIER 215631 1% 81% 967 Search SEMICONDUCTOR+OPTICAL+AMPLIFIER Search SEMICONDUCTOR+OPTICAL+AMPLIFIER
10 MICROWAVE PHOTONICS 191673 1% 82% 847 Search MICROWAVE+PHOTONICS Search MICROWAVE+PHOTONICS

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 3


rank cluster_id2 link
1 456 LITHIUM NIOBATE//OPTICS//LINBO3
2 64 SEMICONDUCTOR LASERS//PHYSICS, APPLIED//PHYSICS, CONDENSED MATTER
3 455 OPTICS//JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION//ATMOSPHERIC TURBULENCE
4 54 PHOTONIC CRYSTAL//OPTICS//METAMATERIALS
5 519 TERAHERTZ//TERAHERTZ TIME DOMAIN SPECTROSCOPY//TERAHERTZ SPECTROSCOPY
6 427 Z SCAN//NONLINEAR OPTICAL MATERIALS//TWO PHOTON ABSORPTION
7 141 PHYSICAL REVIEW A//OPTICS//PHYSICS, ATOMIC, MOLECULAR & CHEMICAL
8 263 OPTICS//APPLIED OPTICS//OPTICS AND LASERS IN ENGINEERING
9 289 PHYSICS, MATHEMATICAL//SOLITONS//JOURNAL OF NONLINEAR MATHEMATICAL PHYSICS
10 643 RANDOM LASER//FIELD FLOW FRACTIONATION//FLOW FIELD FLOW FRACTIONATION

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