Class information for: |
Basic class information |
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 |
| 783 | 2 | FIBER LASER//OPTICS//FIBER AMPLIFIER | 12507 |
| 21510 | 1 | ACTIVE Q SWITCH//Q SWITCHED LASERS//FIBER SATURABLE ABSORBER | 440 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | ACTIVE Q SWITCH | authKW | 632290 | 4% | 55% | 16 |
| 2 | Q SWITCHED LASERS | authKW | 275461 | 5% | 19% | 20 |
| 3 | FIBER SATURABLE ABSORBER | authKW | 255812 | 1% | 71% | 5 |
| 4 | Q SWITCHING | authKW | 236547 | 7% | 10% | 32 |
| 5 | FIBER LASER | authKW | 234570 | 20% | 4% | 88 |
| 6 | SELF Q SWITCHING | authKW | 229209 | 1% | 80% | 4 |
| 7 | Q SWITCH | authKW | 201430 | 3% | 19% | 15 |
| 8 | LASERS PHOTON | address | 162776 | 2% | 23% | 10 |
| 9 | FORMING HIGH POWER LASER TECHNOL | address | 161162 | 1% | 75% | 3 |
| 10 | HIGH PERFORMANCE NOZZLE | authKW | 143256 | 0% | 100% | 2 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Optics | 15799 | 78% | 0% | 342 |
| 2 | Physics, Applied | 1220 | 35% | 0% | 154 |
| 3 | Engineering, Electrical & Electronic | 668 | 25% | 0% | 108 |
| 4 | Telecommunications | 47 | 3% | 0% | 15 |
| 5 | Physics, Multidisciplinary | 29 | 5% | 0% | 24 |
| 6 | Physics, Mathematical | 7 | 2% | 0% | 8 |
| 7 | Physics, Fluids & Plasmas | 5 | 1% | 0% | 6 |
| 8 | Multidisciplinary Sciences | -0 | 0% | 0% | 1 |
| 9 | Engineering, Manufacturing | -0 | 0% | 0% | 1 |
| 10 | Nanoscience & Nanotechnology | -0 | 1% | 0% | 4 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | LASERS PHOTON | 162776 | 2% | 23% | 10 |
| 2 | FORMING HIGH POWER LASER TECHNOL | 161162 | 1% | 75% | 3 |
| 3 | UNITE MIXTE RECH 6136 | 143256 | 0% | 100% | 2 |
| 4 | SPACE LASER INFORMAT TECHNOL | 93542 | 2% | 16% | 8 |
| 5 | LASER PHOTON GRP | 73072 | 2% | 10% | 10 |
| 6 | CIRIL ISMRA | 71628 | 0% | 100% | 1 |
| 7 | CIRILENSICAENUMR 6637 | 71628 | 0% | 100% | 1 |
| 8 | CNRS INSA UNIV ROUEN | 71628 | 0% | 100% | 1 |
| 9 | COMPLEXE RECH INTERPROFESSIONNEL AEROTHERMICHIM | 71628 | 0% | 100% | 1 |
| 10 | ENGN COMMUN DEVICES TECHNOL MINIST EDUC | 71628 | 0% | 100% | 1 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | LASER PHYSICS LETTERS | 11569 | 5% | 1% | 20 |
| 2 | LASER PHYSICS | 5015 | 4% | 0% | 18 |
| 3 | OPTICS EXPRESS | 4803 | 11% | 0% | 49 |
| 4 | OPTICS COMMUNICATIONS | 4751 | 10% | 0% | 42 |
| 5 | IEEE PHOTONICS TECHNOLOGY LETTERS | 4132 | 7% | 0% | 31 |
| 6 | OPTICS LETTERS | 3587 | 9% | 0% | 39 |
| 7 | IEEE JOURNAL OF QUANTUM ELECTRONICS | 2115 | 4% | 0% | 16 |
| 8 | APPLIED OPTICS | 1213 | 6% | 0% | 25 |
| 9 | JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 907 | 3% | 0% | 12 |
| 10 | APPLIED PHYSICS B-LASERS AND OPTICS | 737 | 2% | 0% | 9 |
Author Key Words |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass | LCSH search | Wikipedia search |
|---|---|---|---|---|---|---|---|
| 1 | ACTIVE Q SWITCH | 632290 | 4% | 55% | 16 | Search ACTIVE+Q+SWITCH | Search ACTIVE+Q+SWITCH |
| 2 | Q SWITCHED LASERS | 275461 | 5% | 19% | 20 | Search Q+SWITCHED+LASERS | Search Q+SWITCHED+LASERS |
| 3 | FIBER SATURABLE ABSORBER | 255812 | 1% | 71% | 5 | Search FIBER+SATURABLE+ABSORBER | Search FIBER+SATURABLE+ABSORBER |
| 4 | Q SWITCHING | 236547 | 7% | 10% | 32 | Search Q+SWITCHING | Search Q+SWITCHING |
| 5 | FIBER LASER | 234570 | 20% | 4% | 88 | Search FIBER+LASER | Search FIBER+LASER |
| 6 | SELF Q SWITCHING | 229209 | 1% | 80% | 4 | Search SELF+Q+SWITCHING | Search SELF+Q+SWITCHING |
| 7 | Q SWITCH | 201430 | 3% | 19% | 15 | Search Q+SWITCH | Search Q+SWITCH |
| 8 | HIGH PERFORMANCE NOZZLE | 143256 | 0% | 100% | 2 | Search HIGH+PERFORMANCE+NOZZLE | Search HIGH+PERFORMANCE+NOZZLE |
| 9 | LASER OPERATING REGIMES | 143256 | 0% | 100% | 2 | Search LASER+OPERATING+REGIMES | Search LASER+OPERATING+REGIMES |
| 10 | SELF MODE LOCK | 143256 | 0% | 100% | 2 | Search SELF+MODE+LOCK | Search SELF+MODE+LOCK |
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 |