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 |
| 78 | 2 | IEEE PHOTONICS TECHNOLOGY LETTERS//JOURNAL OF LIGHTWAVE TECHNOLOGY//OPTICAL FIBER COMMUNICATION | 27533 |
| 9285 | 1 | RAMAN AMPLIFIER//FIBER RAMAN AMPLIFIER//RAMAN FIBER AMPLIFIER | 1201 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | RAMAN AMPLIFIER | authKW | 1629771 | 8% | 62% | 100 |
| 2 | FIBER RAMAN AMPLIFIER | authKW | 893283 | 3% | 85% | 40 |
| 3 | RAMAN FIBER AMPLIFIER | authKW | 696961 | 3% | 80% | 33 |
| 4 | RAMAN AMPLIFICATION | authKW | 487047 | 4% | 39% | 47 |
| 5 | HYBRID OPTICAL AMPLIFIER | authKW | 404849 | 1% | 86% | 18 |
| 6 | RAMAN FIBER LASER | authKW | 395601 | 2% | 54% | 28 |
| 7 | OPTICAL FIBER AMPLIFIERS | authKW | 321338 | 6% | 17% | 74 |
| 8 | DISTRIBUTED RAMAN AMPLIFIER | authKW | 244902 | 1% | 67% | 14 |
| 9 | RAMAN FIBER AMPLIFIER RFA | authKW | 201846 | 1% | 77% | 10 |
| 10 | DISTRIBUTED RAMAN AMPLIFICATION | authKW | 190473 | 1% | 52% | 14 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Optics | 38759 | 74% | 0% | 886 |
| 2 | Engineering, Electrical & Electronic | 7984 | 48% | 0% | 577 |
| 3 | Telecommunications | 3569 | 15% | 0% | 181 |
| 4 | Physics, Applied | 1259 | 23% | 0% | 275 |
| 5 | Physics, Multidisciplinary | 14 | 3% | 0% | 41 |
| 6 | Materials Science, Textiles | 0 | 0% | 0% | 2 |
| 7 | Computer Science, Information Systems | -0 | 1% | 0% | 7 |
| 8 | History & Philosophy of Science | -0 | 0% | 0% | 1 |
| 9 | Computer Science, Hardware & Architecture | -0 | 0% | 0% | 3 |
| 10 | Materials Science, Ceramics | -1 | 0% | 0% | 3 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | UNIV ENGN UCOE | 104962 | 0% | 100% | 4 |
| 2 | NAZL RETI FOTON | 65596 | 0% | 50% | 5 |
| 3 | FEMTOSECOND OPT GRP | 63198 | 2% | 11% | 21 |
| 4 | ADV COMP SIMULATING AXL | 52481 | 0% | 100% | 2 |
| 5 | INT TRANSMISS | 52481 | 0% | 100% | 2 |
| 6 | SYST TESTING GRP | 52481 | 0% | 100% | 2 |
| 7 | TM DEV SDN BHD | 52481 | 0% | 100% | 2 |
| 8 | OPT COMMUN SYST | 50446 | 1% | 19% | 10 |
| 9 | OPT TRANSPORT NETWORK GRP | 47231 | 0% | 60% | 3 |
| 10 | OFCR | 34986 | 0% | 67% | 2 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | IEEE PHOTONICS TECHNOLOGY LETTERS | 39599 | 13% | 1% | 158 |
| 2 | JOURNAL OF LIGHTWAVE TECHNOLOGY | 27385 | 9% | 1% | 114 |
| 3 | ELECTRONICS LETTERS | 15176 | 13% | 0% | 152 |
| 4 | OPTICS COMMUNICATIONS | 11497 | 9% | 0% | 108 |
| 5 | FIBER AND INTEGRATED OPTICS | 10086 | 1% | 2% | 18 |
| 6 | OPTICAL FIBER TECHNOLOGY | 7571 | 2% | 2% | 19 |
| 7 | OPTIK | 7461 | 5% | 1% | 57 |
| 8 | OPTICS EXPRESS | 4865 | 7% | 0% | 82 |
| 9 | OPTOELECTRONICS AND ADVANCED MATERIALS-RAPID COMMUNICATIONS | 3583 | 2% | 1% | 19 |
| 10 | OPTICAL ENGINEERING | 3013 | 3% | 0% | 41 |
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 |