Class information for:
Level 1: YB YAG//DISK LASER//YB YAG LASER

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
108 3       PHOSPHOR//LUMINESCENCE//JOURNAL OF LUMINESCENCE 73214
599 2             SOLID STATE LASERS//DIODE PUMPED LASERS//CRYSTAL MAT 14526
19560 1                   YB YAG//DISK LASER//YB YAG LASER 524

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 YB YAG authKW 291070 4% 22% 22
2 DISK LASER authKW 287506 3% 34% 14
3 YB YAG LASER authKW 250604 1% 83% 5
4 CRYOGENIC LASERS authKW 240582 1% 100% 4
5 HILASE PROJECT address 222748 2% 37% 10
6 ZIG ZAG SLAB authKW 214802 1% 71% 5
7 THIN DISC LASER authKW 192464 1% 80% 4
8 HILASE address 191765 2% 25% 13
9 THIN DISK LASER authKW 180424 2% 33% 9
10 ND GLASS authKW 137472 1% 57% 4

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Optics 15547 71% 0% 371
2 Physics, Applied 1499 35% 0% 186
3 Engineering, Electrical & Electronic 249 15% 0% 79
4 Physics, Multidisciplinary 44 6% 0% 31
5 Nuclear Science & Technology 38 3% 0% 17
6 Materials Science, Multidisciplinary 12 7% 0% 38
7 Materials Science, Ceramics 4 1% 0% 5
8 Thermodynamics 1 1% 0% 5
9 Engineering, Aerospace 1 0% 0% 2
10 Engineering, General 0 1% 0% 4

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 HILASE PROJECT 222748 2% 37% 10
2 HILASE 191765 2% 25% 13
3 CNRSLULI 67660 1% 38% 3
4 BRANCH FSRC CRYSTALL PHOTON 60145 0% 100% 1
5 CNRSECOLE POLYTECH UTILISAT LASERS INTENSES 60145 0% 100% 1
6 DIRECT ILE FRANCE CEA DAM DIF 60145 0% 100% 1
7 DISK LASER GRP 60145 0% 100% 1
8 ECOLE POLYTECHUMR 7605 UTILISAT LASERS 60145 0% 100% 1
9 FRANCE KASTLER BROSSELUPMCSORBONNE UNI 60145 0% 100% 1
10 GE SCI 60145 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 HIGH POWER LASER SCIENCE AND ENGINEERING 57718 2% 8% 12
2 APPLIED OPTICS 5987 11% 0% 60
3 QUANTUM ELECTRONICS 5555 4% 0% 20
4 IEEE JOURNAL OF QUANTUM ELECTRONICS 5465 5% 0% 28
5 OPTICAL MATERIALS EXPRESS 5222 2% 1% 13
6 OPTICS AND LASER TECHNOLOGY 4110 3% 0% 18
7 OPTICS EXPRESS 3853 9% 0% 48
8 LASER PHYSICS 3749 3% 0% 17
9 OPTICS LETTERS 3655 8% 0% 43
10 APPLIED PHYSICS B-LASERS AND OPTICS 2499 3% 0% 18

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 YB YAG 291070 4% 22% 22 Search YB+YAG Search YB+YAG
2 DISK LASER 287506 3% 34% 14 Search DISK+LASER Search DISK+LASER
3 YB YAG LASER 250604 1% 83% 5 Search YB+YAG+LASER Search YB+YAG+LASER
4 CRYOGENIC LASERS 240582 1% 100% 4 Search CRYOGENIC+LASERS Search CRYOGENIC+LASERS
5 ZIG ZAG SLAB 214802 1% 71% 5 Search ZIG+ZAG+SLAB Search ZIG+ZAG+SLAB
6 THIN DISC LASER 192464 1% 80% 4 Search THIN+DISC+LASER Search THIN+DISC+LASER
7 THIN DISK LASER 180424 2% 33% 9 Search THIN+DISK+LASER Search THIN+DISK+LASER
8 ND GLASS 137472 1% 57% 4 Search ND+GLASS Search ND+GLASS
9 DISK LASERS 135326 1% 75% 3 Search DISK+LASERS Search DISK+LASERS
10 KIRCHOFFS TRANSFORMATION 120291 0% 100% 2 Search KIRCHOFFS+TRANSFORMATION Search KIRCHOFFS+TRANSFORMATION

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
1 195 SOLID STATE LASERS//DIODE PUMPED LASERS//DIODE PUMPED
2 4501 SOLID STATE LASER MATERIALS//DOUBLE TUNGSTATES//KGDWO42
3 4459 CHIRPED PULSE AMPLIFICATION//OPTICAL PARAMETRIC CHIRPED PULSE AMPLIFICATION//OPTICAL PARAMETRIC AMPLIFICATION
4 19044 FARADAY ISOLATOR//VERDET CONSTANT//THERMALLY INDUCED DEPOLARIZATION
5 2733 TRANSPARENT CERAMICS//YAG//YTTRIUM ALUMINUM GARNET
6 18695 ERBIUM GLASS LASER//STAND OFF DETECTION OF ALCOHOL//AMPLIFIED LUMINESCENCE
7 22036 HOT IMAGE//SMALL SCALE SELF FOCUSING//HIGH POWER LASER BEAM
8 38416 AL2O3 WO3 COMPOSITE//GLD THEORY//PHOTOREFRACTIVE FERROELECTRIC CRYSTALS
9 15956 MODE DISCRIMINATION//VARIABLE REFLECTIVITY MIRROR//MILIEUX IONISES LASERS
10 29770 CHARGE STORAGE DIODES//AVALANCHE TRANSISTORS//BEIJING TAU CHARM FACTORY

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