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 |
| 141 | 3 | PHYSICAL REVIEW A//OPTICS//PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | 66180 |
| 1640 | 2 | TIME FREQUENCY//ATOMIC CLOCKS//FREQUENCY STANDARD | 7221 |
| 5806 | 1 | FREQUENCY COMB//OPTICAL FREQUENCY COMB//OPTICAL FREQUENCY METROLOGY | 1602 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | FREQUENCY COMB | authKW | 260555 | 2% | 35% | 38 |
| 2 | OPTICAL FREQUENCY COMB | authKW | 248516 | 3% | 26% | 49 |
| 3 | OPTICAL FREQUENCY METROLOGY | authKW | 140008 | 1% | 65% | 11 |
| 4 | MINOSHIMA INTELLIGENT OPT SYNTHESIZER PROJECT | address | 125268 | 1% | 58% | 11 |
| 5 | OPTICAL FREQUENCY MEASUREMENT | authKW | 123151 | 1% | 52% | 12 |
| 6 | CARRIER ENVELOPE PHASE | authKW | 109782 | 1% | 27% | 21 |
| 7 | OPTICS LETTERS | journal | 79446 | 22% | 1% | 348 |
| 8 | TEMPS FREQUENCE | address | 77699 | 1% | 22% | 18 |
| 9 | TIME FREQUENCY | address | 70584 | 3% | 9% | 41 |
| 10 | CARRIER ENVELOPE PHASE DIFFERENCE | authKW | 62948 | 0% | 80% | 4 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Optics | 56192 | 77% | 0% | 1231 |
| 2 | Physics, Applied | 1953 | 24% | 0% | 391 |
| 3 | Physics, Multidisciplinary | 382 | 9% | 0% | 139 |
| 4 | Engineering, Electrical & Electronic | 369 | 11% | 0% | 183 |
| 5 | Physics, Atomic, Molecular & Chemical | 231 | 6% | 0% | 96 |
| 6 | Instruments & Instrumentation | 134 | 4% | 0% | 60 |
| 7 | Telecommunications | 6 | 1% | 0% | 19 |
| 8 | Spectroscopy | 3 | 1% | 0% | 17 |
| 9 | Acoustics | 1 | 0% | 0% | 8 |
| 10 | Materials Science, Characterization, Testing | -1 | 0% | 0% | 1 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | MINOSHIMA INTELLIGENT OPT SYNTHESIZER PROJECT | 125268 | 1% | 58% | 11 |
| 2 | TEMPS FREQUENCE | 77699 | 1% | 22% | 18 |
| 3 | TIME FREQUENCY | 70584 | 3% | 9% | 41 |
| 4 | ERATO MINOSHIMA INTELLIGENT OPT SYNTHESIZER IOS P | 44260 | 0% | 75% | 3 |
| 5 | S FUNDAMENTAL METROL | 44260 | 0% | 75% | 3 |
| 6 | KAIST OPT SCI TECHNOL | 43805 | 0% | 32% | 7 |
| 7 | JILA | 40201 | 4% | 3% | 65 |
| 8 | COHERENT XRAY | 38373 | 1% | 18% | 11 |
| 9 | PL PHOTON | 38044 | 1% | 9% | 22 |
| 10 | ULTRAFAST OPT GRP | 37042 | 1% | 21% | 9 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | OPTICS LETTERS | 79446 | 22% | 1% | 348 |
| 2 | OPTICS EXPRESS | 52567 | 19% | 1% | 308 |
| 3 | APPLIED PHYSICS B-LASERS AND OPTICS | 20090 | 6% | 1% | 89 |
| 4 | NATURE PHOTONICS | 6355 | 1% | 2% | 19 |
| 5 | OPTICA | 5137 | 1% | 2% | 13 |
| 6 | IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 3673 | 2% | 1% | 28 |
| 7 | JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 3197 | 3% | 0% | 43 |
| 8 | IEEE JOURNAL OF QUANTUM ELECTRONICS | 2152 | 2% | 0% | 31 |
| 9 | LASER & PHOTONICS REVIEWS | 2133 | 0% | 1% | 8 |
| 10 | QUANTUM ELECTRONICS | 1976 | 1% | 0% | 21 |
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 |