Class information for:
Level 1: PROTON EXCHANGE//PROTON EXCHANGED WAVEGUIDE//LITHIUM NIOBATE

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
456 3       LITHIUM NIOBATE//OPTICS//LINBO3 26210
513 2             LITHIUM NIOBATE//LINBO3//QUASI PHASE MATCHING 15644
12389 1                   PROTON EXCHANGE//PROTON EXCHANGED WAVEGUIDE//LITHIUM NIOBATE 940

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PROTON EXCHANGE authKW 765317 8% 30% 76
2 PROTON EXCHANGED WAVEGUIDE authKW 107285 0% 80% 4
3 LITHIUM NIOBATE authKW 104031 6% 5% 58
4 CERENKOV SHG authKW 100581 0% 100% 3
5 PROTON EXCHANGED authKW 100581 0% 100% 3
6 CRYSTAL CORED FIBER authKW 75434 0% 75% 3
7 AEROTECNIA address 69842 1% 42% 5
8 AEROTECN address 67054 0% 100% 2
9 CERENKOV REGIME authKW 67054 0% 100% 2
10 LINBO3 OPTICAL WAVEGUIDE authKW 67054 0% 100% 2

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Optics 5928 34% 0% 315
2 Physics, Applied 4505 45% 0% 422
3 Engineering, Electrical & Electronic 967 21% 0% 195
4 Physics, Condensed Matter 458 13% 0% 126
5 Materials Science, Multidisciplinary 307 16% 0% 149
6 Telecommunications 133 4% 0% 36
7 Spectroscopy 111 4% 0% 34
8 Crystallography 24 2% 0% 19
9 Materials Science, Coatings & Films 4 1% 0% 9
10 Physics, Multidisciplinary 4 3% 0% 26

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 AEROTECNIA 69842 1% 42% 5
2 AEROTECN 67054 0% 100% 2
3 MOSCOW ELECT TECHNOL 48276 1% 13% 11
4 FIS MAT C4 46013 1% 15% 9
5 C ELEC 33527 0% 100% 1
6 CEA LETI TECHNOL ADV 33527 0% 100% 1
7 CIENCIA MAT NICOLAS CABRERA C XVI 33527 0% 100% 1
8 DEP AEROTECNIA 33527 0% 100% 1
9 ELECT PHYSUMR 5157 33527 0% 100% 1
10 ELETTRON QUANT STRUMENTAZ ELETTRON 33527 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ZHURNAL TEKHNICHESKOI FIZIKI 11612 5% 1% 46
2 FERROELECTRICS 7389 6% 0% 53
3 KVANTOVAYA ELEKTRONIKA 6591 4% 1% 36
4 PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS 2712 2% 0% 21
5 JOURNAL OF LIGHTWAVE TECHNOLOGY 2225 3% 0% 29
6 ELECTRONICS LETTERS 1958 5% 0% 49
7 JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS 1695 3% 0% 24
8 OPTICS LETTERS 1390 4% 0% 36
9 JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS 1342 4% 0% 36
10 JOURNAL OF APPLIED PHYSICS 1311 7% 0% 67

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PROTON EXCHANGE 765317 8% 30% 76 Search PROTON+EXCHANGE Search PROTON+EXCHANGE
2 PROTON EXCHANGED WAVEGUIDE 107285 0% 80% 4 Search PROTON+EXCHANGED+WAVEGUIDE Search PROTON+EXCHANGED+WAVEGUIDE
3 LITHIUM NIOBATE 104031 6% 5% 58 Search LITHIUM+NIOBATE Search LITHIUM+NIOBATE
4 CERENKOV SHG 100581 0% 100% 3 Search CERENKOV+SHG Search CERENKOV+SHG
5 PROTON EXCHANGED 100581 0% 100% 3 Search PROTON+EXCHANGED Search PROTON+EXCHANGED
6 CRYSTAL CORED FIBER 75434 0% 75% 3 Search CRYSTAL+CORED+FIBER Search CRYSTAL+CORED+FIBER
7 CERENKOV REGIME 67054 0% 100% 2 Search CERENKOV+REGIME Search CERENKOV+REGIME
8 LINBO3 OPTICAL WAVEGUIDE 67054 0% 100% 2 Search LINBO3+OPTICAL+WAVEGUIDE Search LINBO3+OPTICAL+WAVEGUIDE
9 LITHIUM OUTDIFFUSION 67054 0% 100% 2 Search LITHIUM+OUTDIFFUSION Search LITHIUM+OUTDIFFUSION
10 PE WAVEGUIDES 67054 0% 100% 2 Search PE+WAVEGUIDES Search PE+WAVEGUIDES

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 9382 PARTICLE PHYS PARTICLE IRRADIAT MOE//PARTICLE PHYS PARTICLE IRRADIAT//HEAVY ION PHYS
2 9072 NEW TECHNOL S//LINBO3 OPTICAL MODULATOR//OPTICAL MODULATOR
3 1080 LITHIUM NIOBATE//OPTOELECT INFORMAT ENGN//PRECIS RUMENTS OPTOELECT ENGN
4 2418 QUASI PHASE MATCHING//FERROELECT//DOMAIN INVERSION
5 20363 GRATING COUPLER//BULK OPTICAL WAVES//DIFFRACTIONAL DIVERGENCE
6 17494 LINBO3//LINBO3 THIN FILM//BA2NANB5O15
7 11279 GLASS WAVEGUIDES//GLASS INTEGRATED OPTICS//PLANAR MICROLENS
8 23147 RESONANCE OSCILLATION//MECAN FLUIDOS PROPULS AEROESPACIAL//MECAN FLUIDOS PROP AEROESPACIAL
9 23330 FREQUENCY SHIFTED FEEDBACK//FREQUENCY SHIFTED FEEDBACK LASER//ACOUSTOOPTIC EFFECT
10 33634 CORTICARIA FORMICAEPHILA BROUN 1893//CORTICARIA LATA SP N//CORTICARIA LISAE SP N

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