Class information for: |
Basic class information |
Hierarchy of classes |
The table includes all classes above and classes immediately below the current class. |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | QUANTUM CASCADE LASER | authKW | 1639038 | 7% | 75% | 517 |
| 2 | WAVELENGTH MODULATION SPECTROSCOPY | authKW | 234028 | 1% | 92% | 60 |
| 3 | WAVELENGTH MODULATION | authKW | 188069 | 1% | 60% | 74 |
| 4 | TUNABLE DIODE LASER ABSORPTION SPECTROSCOPY | authKW | 180619 | 1% | 75% | 57 |
| 5 | QUANTUM CASCADE LASERS QCLS | authKW | 178265 | 1% | 94% | 45 |
| 6 | HIGH TEMP GASDYNAM | address | 167893 | 1% | 42% | 95 |
| 7 | APPLIED PHYSICS B-LASERS AND OPTICS | journal | 145366 | 7% | 7% | 516 |
| 8 | TDLAS | authKW | 111730 | 1% | 58% | 46 |
| 9 | MICRO NANOSTRUCT | address | 102178 | 1% | 37% | 66 |
| 10 | QUANTUM CASCADE QC LASER | authKW | 88739 | 0% | 100% | 21 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Optics | 66290 | 39% | 1% | 2944 |
| 2 | Physics, Applied | 22154 | 36% | 0% | 2692 |
| 3 | Spectroscopy | 7157 | 9% | 0% | 670 |
| 4 | Instruments & Instrumentation | 5625 | 9% | 0% | 699 |
| 5 | Engineering, Electrical & Electronic | 1776 | 12% | 0% | 862 |
| 6 | Physics, Condensed Matter | 821 | 8% | 0% | 571 |
| 7 | Chemistry, Analytical | 657 | 6% | 0% | 416 |
| 8 | Physics, Multidisciplinary | 602 | 6% | 0% | 436 |
| 9 | Physics, Atomic, Molecular & Chemical | 387 | 4% | 0% | 311 |
| 10 | Electrochemistry | 238 | 2% | 0% | 164 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | HIGH TEMP GASDYNAM | 167893 | 1% | 42% | 95 |
| 2 | MICRO NANOSTRUCT | 102178 | 1% | 37% | 66 |
| 3 | 1123 | 81019 | 0% | 91% | 21 |
| 4 | QUANTUM DEVICES | 56829 | 1% | 17% | 79 |
| 5 | ANHUI OPT FINE MECH | 55856 | 2% | 9% | 147 |
| 6 | QUANTUM ELECT | 52266 | 2% | 8% | 164 |
| 7 | MICROWAVES PHOTON | 49632 | 1% | 18% | 64 |
| 8 | CNR IFN UOS BARI | 47606 | 0% | 87% | 13 |
| 9 | ENVIRONM OPT TECHNOL | 35414 | 1% | 15% | 55 |
| 10 | PHYSICOCHIM ATMOSPHERE | 31211 | 0% | 20% | 37 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | APPLIED PHYSICS B-LASERS AND OPTICS | 145366 | 7% | 7% | 516 |
| 2 | APPLIED OPTICS | 29168 | 7% | 1% | 503 |
| 3 | APPLIED PHYSICS LETTERS | 21367 | 10% | 1% | 766 |
| 4 | OPTICS EXPRESS | 14901 | 5% | 1% | 360 |
| 5 | INFRARED PHYSICS & TECHNOLOGY | 8550 | 1% | 3% | 70 |
| 6 | SPECTROSCOPY AND SPECTRAL ANALYSIS | 7937 | 2% | 1% | 143 |
| 7 | OPTICS LETTERS | 7006 | 3% | 1% | 229 |
| 8 | SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY | 5528 | 1% | 2% | 87 |
| 9 | PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 4756 | 1% | 1% | 99 |
| 10 | LASER FOCUS WORLD | 4349 | 1% | 3% | 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 2 |