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 |
|---|---|---|---|
| 1 | 4 | PHYSICS, CONDENSED MATTER//PHYSICS, APPLIED//MATERIALS SCIENCE, MULTIDISCIPLINARY | 2188495 |
| 64 | 3 | SEMICONDUCTOR LASERS//PHYSICS, APPLIED//PHYSICS, CONDENSED MATTER | 89567 |
| 174 | 2 | SEMICONDUCTOR LASERS//IEEE JOURNAL OF QUANTUM ELECTRONICS//VERTICAL CAVITY SURFACE EMITTING LASERS | 21466 |
| 35269 | 1 | EXTERNAL CAVITY SEMICONDUCTOR LASERS ECSLS//FLAT FIBRE//FIBER GRATING LASER | 114 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | EXTERNAL CAVITY SEMICONDUCTOR LASERS ECSLS | authKW | 829396 | 3% | 100% | 3 |
| 2 | FLAT FIBRE | address | 829396 | 3% | 100% | 3 |
| 3 | FIBER GRATING LASER | authKW | 691158 | 4% | 50% | 5 |
| 4 | EXCELLENCE WIRELESS PHOTON NETWORKS ENGN | address | 622045 | 3% | 75% | 3 |
| 5 | EXTERNAL CAVITY SEMICONDUCTOR LASER | authKW | 622039 | 5% | 38% | 6 |
| 6 | SIDE MODE SUPPRESSION RATIO | authKW | 451549 | 6% | 23% | 7 |
| 7 | EXTERNAL CAVITY LASER ECL | authKW | 311020 | 3% | 38% | 3 |
| 8 | 15 MU M DISTRIBUTED FEEDBACK LASERS | authKW | 276465 | 1% | 100% | 1 |
| 9 | ACCESS NETOWRK SERV SYST S | address | 276465 | 1% | 100% | 1 |
| 10 | BRAGG FIBRE GRATING | authKW | 276465 | 1% | 100% | 1 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Optics | 3071 | 68% | 0% | 77 |
| 2 | Engineering, Electrical & Electronic | 1313 | 62% | 0% | 71 |
| 3 | Physics, Applied | 412 | 39% | 0% | 45 |
| 4 | Telecommunications | 131 | 10% | 0% | 11 |
| 5 | Spectroscopy | 6 | 3% | 0% | 3 |
| 6 | Physics, Condensed Matter | -0 | 2% | 0% | 2 |
| 7 | Physics, Atomic, Molecular & Chemical | -0 | 1% | 0% | 1 |
| 8 | Physics, Multidisciplinary | -1 | 1% | 0% | 1 |
| 9 | Materials Science, Multidisciplinary | -1 | 3% | 0% | 3 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | FLAT FIBRE | 829396 | 3% | 100% | 3 |
| 2 | EXCELLENCE WIRELESS PHOTON NETWORKS ENGN | 622045 | 3% | 75% | 3 |
| 3 | ACCESS NETOWRK SERV SYST S | 276465 | 1% | 100% | 1 |
| 4 | GRP ELE OOPT MAT DEVICES 83 | 276465 | 1% | 100% | 1 |
| 5 | OPTO GROUPMENT INTERET ECON | 276465 | 1% | 100% | 1 |
| 6 | OPTO OPTO | 276465 | 1% | 100% | 1 |
| 7 | PHOTOELE ON PROD | 276465 | 1% | 100% | 1 |
| 8 | POLAROID GR H IMAGING GRP | 276465 | 1% | 100% | 1 |
| 9 | TELECOMMUN MODDULE | 276465 | 1% | 100% | 1 |
| 10 | ADV PHOTON CONCEPTS | 130094 | 4% | 12% | 4 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | IEEE PHOTONICS TECHNOLOGY LETTERS | 6043 | 17% | 0% | 19 |
| 2 | ELECTRONICS LETTERS | 2510 | 17% | 0% | 19 |
| 3 | IEEE JOURNAL OF QUANTUM ELECTRONICS | 2055 | 7% | 0% | 8 |
| 4 | QUANTUM ELECTRONICS | 1597 | 4% | 0% | 5 |
| 5 | JOURNAL OF LIGHTWAVE TECHNOLOGY | 1417 | 7% | 0% | 8 |
| 6 | FIBER AND INTEGRATED OPTICS | 1313 | 2% | 0% | 2 |
| 7 | OPTICAL AND QUANTUM ELECTRONICS | 1045 | 4% | 0% | 4 |
| 8 | OPTIK | 604 | 4% | 0% | 5 |
| 9 | OPTICS AND LASER TECHNOLOGY | 523 | 3% | 0% | 3 |
| 10 | OPTICAL REVIEW | 519 | 2% | 0% | 2 |
Author Key Words |
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 |