Class information for:
Level 1: TUNABLE LASER TECHNOL//TMYLF//TMLUAG

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
9141 1                   TUNABLE LASER TECHNOL//TMYLF//TMLUAG 1214

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 TUNABLE LASER TECHNOL address 2212163 21% 33% 258
2 TMYLF authKW 311514 1% 100% 12
3 TMLUAG authKW 233636 1% 100% 9
4 TMYAG authKW 233618 1% 50% 18
5 TM HOYLF authKW 207676 1% 100% 8
6 2 MU M LASER authKW 201396 1% 52% 15
7 SOLID STATE LASERS authKW 198113 7% 9% 87
8 FIS CRISTALLOG MAT NANOMAT FICMA FICNA address 178849 2% 33% 21
9 TMYAP authKW 175222 1% 75% 9
10 RD LASER OPTOELECT MAT address 161742 1% 69% 9

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Optics 40569 75% 0% 911
2 Physics, Applied 4716 41% 0% 495
3 Physics, Multidisciplinary 234 8% 0% 97
4 Engineering, Electrical & Electronic 136 9% 0% 108
5 Materials Science, Multidisciplinary 34 8% 0% 92
6 Materials Science, Ceramics 4 1% 0% 9
7 Metallurgy & Metallurgical Engineering 4 2% 0% 20
8 Crystallography 3 1% 0% 13
9 Instruments & Instrumentation 0 1% 0% 13
10 Engineering, Ocean 0 0% 0% 1

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 TUNABLE LASER TECHNOL 2212163 21% 33% 258
2 FIS CRISTALLOG MAT NANOMAT FICMA FICNA 178849 2% 33% 21
3 RD LASER OPTOELECT MAT 161742 1% 69% 9
4 MARINE ENGINE ELECT CONTROL TECHNOL 141332 1% 78% 7
5 TRANSPARENT OPTOFUNCT ADV INORGAN MAT 138678 2% 23% 23
6 JIANGSU ABORAT INNOVAT ADV LASER TECHNOL 136558 1% 48% 11
7 TRANSPARENT OPTOFUNCT INORGAN MAT 131012 4% 11% 45
8 FRENCH GERMAN 118665 1% 57% 8
9 MARIN ENGINE ELECT CONTROL TECHNOL 108163 0% 83% 5
10 OPT MAT TECHNOL 102369 3% 12% 33

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 LASER PHYSICS LETTERS 81285 7% 4% 88
2 LASER PHYSICS 62081 9% 2% 105
3 APPLIED PHYSICS B-LASERS AND OPTICS 27170 7% 1% 90
4 PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE) 13101 2% 2% 28
5 OPTICS LETTERS 10538 9% 0% 111
6 CHINESE OPTICS LETTERS 5436 2% 1% 25
7 OPTICS EXPRESS 5301 7% 0% 86
8 OPTICAL MATERIALS EXPRESS 4801 2% 1% 19
9 QUANTUM ELECTRONICS 4030 2% 1% 26
10 APPLIED OPTICS 3863 6% 0% 74

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 TMYLF 311514 1% 100% 12 Search TMYLF Search TMYLF
2 TMLUAG 233636 1% 100% 9 Search TMLUAG Search TMLUAG
3 TMYAG 233618 1% 50% 18 Search TMYAG Search TMYAG
4 TM HOYLF 207676 1% 100% 8 Search TM+HOYLF Search TM+HOYLF
5 2 MU M LASER 201396 1% 52% 15 Search 2+MU+M+LASER Search 2+MU+M+LASER
6 SOLID STATE LASERS 198113 7% 9% 87 Search SOLID+STATE+LASERS Search SOLID+STATE+LASERS
7 TMYAP 175222 1% 75% 9 Search TMYAP Search TMYAP
8 HOYAP 155757 0% 100% 6 Search HOYAP Search HOYAP
9 HOYAG 136620 1% 53% 10 Search HOYAG Search HOYAG
10 TM LASER 133504 0% 86% 6 Search TM+LASER Search TM+LASER

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 6376 MAT HIGH POWER LASER//27 MU M EMISSION//20 MU M EMISSION
2 4501 SOLID STATE LASER MATERIALS//DOUBLE TUNGSTATES//KGDWO42
3 18695 ERBIUM GLASS LASER//STAND OFF DETECTION OF ALCOHOL//AMPLIFIED LUMINESCENCE
4 10000 UPCONVERSION LUMINESCENCE AGENT//PHOTON AVALANCHE//OPT GLASS PROD
5 20529 NEGATIVE NONLINEAR ABSORPTION EFFECT//OPTICAL INVERTER//PROD FUNDAMENTAL
6 195 SOLID STATE LASERS//DIODE PUMPED LASERS//DIODE PUMPED
7 16896 OPT SENSORS SPECT//IR LASERS//OPT SENSORS SPE OSCOPIES
8 11119 DOPPLER LIDAR//COHERENT DOPPLER LIDAR//INCOHERENT DOPPLER LIDAR
9 4030 OPTICAL PARAMETRIC OSCILLATOR//DIFFERENCE FREQUENCY GENERATION//INTRACAVITY OPTICAL PARAMETRIC OSCILLATOR
10 2733 TRANSPARENT CERAMICS//YAG//YTTRIUM ALUMINUM GARNET

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