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 |
| 456 | 3 | LITHIUM NIOBATE//OPTICS//LINBO3 | 26210 |
| 513 | 2 | LITHIUM NIOBATE//LINBO3//QUASI PHASE MATCHING | 15644 |
| 1303 | 2 | STIMULATED BRILLOUIN SCATTERING//PHASE CONJUGATION//OPTICS | 8880 |
| 3423 | 2 | SILLENITE//BI4GE3O12//BI4SI3O12 | 1686 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | LITHIUM NIOBATE | authKW | 483807 | 3% | 61% | 661 |
| 2 | OPTICS | WoSSC | 240994 | 40% | 2% | 10518 |
| 3 | LINBO3 | authKW | 184341 | 1% | 51% | 302 |
| 4 | QUASI PHASE MATCHING | authKW | 169068 | 1% | 71% | 199 |
| 5 | BORATES | authKW | 148198 | 2% | 30% | 414 |
| 6 | OPTICS LETTERS | journal | 134017 | 7% | 6% | 1845 |
| 7 | OPTOELECT INFORMAT ENGN | address | 118659 | 0% | 80% | 123 |
| 8 | JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | journal | 107595 | 4% | 9% | 1005 |
| 9 | OPTICAL PARAMETRIC OSCILLATOR | authKW | 101100 | 1% | 53% | 158 |
| 10 | OPTICS COMMUNICATIONS | journal | 91116 | 5% | 5% | 1429 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Optics | 240994 | 40% | 2% | 10518 |
| 2 | Physics, Applied | 48595 | 29% | 1% | 7672 |
| 3 | Crystallography | 12030 | 6% | 1% | 1658 |
| 4 | Physics, Condensed Matter | 6871 | 10% | 0% | 2748 |
| 5 | Materials Science, Multidisciplinary | 5995 | 14% | 0% | 3655 |
| 6 | Engineering, Electrical & Electronic | 3619 | 10% | 0% | 2498 |
| 7 | Physics, Multidisciplinary | 3077 | 7% | 0% | 1745 |
| 8 | Spectroscopy | 2930 | 4% | 0% | 927 |
| 9 | Physics, Atomic, Molecular & Chemical | 1129 | 4% | 0% | 1030 |
| 10 | Chemistry, Inorganic & Nuclear | 1058 | 3% | 0% | 876 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | OPTOELECT INFORMAT ENGN | 118659 | 0% | 80% | 123 |
| 2 | XINJIANG ELECT INFORMAT MAT DEVICES | 83893 | 1% | 44% | 159 |
| 3 | BEIJING CRYSTAL DEV | 74996 | 0% | 52% | 121 |
| 4 | FUNCT CRYSTALS LASER TECHNOL | 56521 | 0% | 37% | 128 |
| 5 | PRECIS RUMENTS OPTOELECT ENGN | 43636 | 1% | 27% | 137 |
| 6 | BEIJING CRYSTAL RD | 37161 | 0% | 49% | 63 |
| 7 | FUNCT MAT DEVICES SPECIAL ENVIRONM | 30574 | 0% | 26% | 99 |
| 8 | XINJIANG TECH PHYS CHEM | 30350 | 1% | 15% | 166 |
| 9 | FERROELECT | 29261 | 0% | 43% | 57 |
| 10 | STATE CRYSTAL MAT | 26311 | 1% | 7% | 336 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | OPTICS LETTERS | 134017 | 7% | 6% | 1845 |
| 2 | JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 107595 | 4% | 9% | 1005 |
| 3 | OPTICS COMMUNICATIONS | 91116 | 5% | 5% | 1429 |
| 4 | APPLIED PHYSICS B-LASERS AND OPTICS | 74373 | 3% | 9% | 696 |
| 5 | KVANTOVAYA ELEKTRONIKA | 56910 | 2% | 9% | 561 |
| 6 | FERROELECTRICS | 33032 | 2% | 5% | 598 |
| 7 | OPTICAL MATERIALS | 27731 | 2% | 6% | 401 |
| 8 | APPLIED OPTICS | 22333 | 3% | 2% | 841 |
| 9 | IEEE JOURNAL OF QUANTUM ELECTRONICS | 18641 | 1% | 4% | 371 |
| 10 | JOURNAL OF CRYSTAL GROWTH | 17456 | 3% | 2% | 698 |
Author Key Words |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass | LCSH search | Wikipedia search |
|---|---|---|---|---|---|---|---|
| 1 | LITHIUM NIOBATE | 483807 | 3% | 61% | 661 | Search LITHIUM+NIOBATE | Search LITHIUM+NIOBATE |
| 2 | LINBO3 | 184341 | 1% | 51% | 302 | Search LINBO3 | Search LINBO3 |
| 3 | QUASI PHASE MATCHING | 169068 | 1% | 71% | 199 | Search QUASI+PHASE+MATCHING | Search QUASI+PHASE+MATCHING |
| 4 | BORATES | 148198 | 2% | 30% | 414 | Search BORATES | Search BORATES |
| 5 | OPTICAL PARAMETRIC OSCILLATOR | 101100 | 1% | 53% | 158 | Search OPTICAL+PARAMETRIC+OSCILLATOR | Search OPTICAL+PARAMETRIC+OSCILLATOR |
| 6 | PHOTOREFRACTIVE EFFECT | 81874 | 1% | 39% | 176 | Search PHOTOREFRACTIVE+EFFECT | Search PHOTOREFRACTIVE+EFFECT |
| 7 | LITHIUM TANTALATE | 63151 | 0% | 63% | 84 | Search LITHIUM+TANTALATE | Search LITHIUM+TANTALATE |
| 8 | STIMULATED BRILLOUIN SCATTERING | 60530 | 1% | 31% | 163 | Search STIMULATED+BRILLOUIN+SCATTERING | Search STIMULATED+BRILLOUIN+SCATTERING |
| 9 | PHASE CONJUGATION | 56176 | 0% | 43% | 110 | Search PHASE+CONJUGATION | Search PHASE+CONJUGATION |
| 10 | PHOTOREFRACTIVE CRYSTAL | 52187 | 0% | 45% | 97 | Search PHOTOREFRACTIVE+CRYSTAL | Search PHOTOREFRACTIVE+CRYSTAL |
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 3 |