Class information for:
Level 1: HETERODYNE INTERFEROMETRY//HETERODYNE INTERFEROMETER//NANOMETER MEASUREMENT

Basic class information
Bar chart of Publication_year

Last years might be incomplete

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
263 3       OPTICS//APPLIED OPTICS//OPTICS AND LASERS IN ENGINEERING 45499
1174 2             FRINGE ANALYSIS//OPTICS AND LASERS IN ENGINEERING//FRINGE PROJECTION 9759
10324 1                   HETERODYNE INTERFEROMETRY//HETERODYNE INTERFEROMETER//NANOMETER MEASUREMENT 1103

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 HETERODYNE INTERFEROMETRY authKW 357107 3% 36% 35
2 HETERODYNE INTERFEROMETER authKW 297119 2% 40% 26
3 NANOMETER MEASUREMENT address 267853 1% 63% 15
4 SURFACE ENCODER authKW 265937 1% 85% 11
5 STRAIGHTNESS MEASUREMENT authKW 204081 1% 71% 10
6 STRAIGHTNESS authKW 201497 2% 31% 23
7 ERROR SEPARATION authKW 175667 2% 36% 17
8 PERIODIC NONLINEARITY authKW 155556 1% 78% 7
9 SOFTWARE DATUM authKW 155556 1% 78% 7
10 LINEAR SLIDE authKW 146941 1% 86% 6

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Instruments & Instrumentation 17422 40% 0% 436
2 Optics 9226 38% 0% 423
3 Engineering, Manufacturing 8629 16% 0% 172
4 Engineering, General 7948 21% 0% 229
5 Nanoscience & Nanotechnology 742 10% 0% 108
6 Engineering, Mechanical 739 9% 0% 101
7 Physics, Applied 525 17% 0% 183
8 Engineering, Electrical & Electronic 139 9% 0% 102
9 Engineering, Industrial 67 2% 0% 18
10 Automation & Control Systems 38 2% 0% 18

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 NANOMETER MEASUREMENT 267853 1% 63% 15
2 COMP SOR DEV GRP 85716 0% 100% 3
3 PAO SIU LOONG MEASUREMENT CONTROL 85716 0% 100% 3
4 SECT PRECIS ENGN 76190 0% 67% 4
5 POSTDOCTORAL STN OPT ENGN 64931 0% 45% 5
6 NANOMECH 57391 3% 5% 38
7 PRECIS ENGN STRAT GRP 57144 0% 100% 2
8 TC CPT OFF 10 57144 0% 100% 2
9 SPACE NANOTECHNOL 46746 1% 27% 6
10 RUMENTS CO 41554 0% 36% 4

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PRECISION ENGINEERING-JOURNAL OF THE INTERNATIONAL SOCIETIES FOR PRECISION ENGINEERING AND NANOTECHNOLOGY 85550 6% 4% 67
2 PRECISION ENGINEERING-JOURNAL OF THE AMERICAN SOCIETY FOR PRECISION ENGINEERING 61575 2% 8% 27
3 MEASUREMENT SCIENCE AND TECHNOLOGY 48417 11% 1% 126
4 APPLIED OPTICS 11365 11% 0% 120
5 INTERNATIONAL JOURNAL OF THE JAPAN SOCIETY FOR PRECISION ENGINEERING 9913 1% 3% 11
6 OPTICAL ENGINEERING 8084 6% 0% 64
7 REVIEW OF SCIENTIFIC INSTRUMENTS 5423 7% 0% 77
8 TM-TECHNISCHES MESSEN 4669 1% 1% 11
9 INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING 4346 2% 1% 18
10 MEASUREMENT 3398 2% 1% 23

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 HETERODYNE INTERFEROMETRY 357107 3% 36% 35 Search HETERODYNE+INTERFEROMETRY Search HETERODYNE+INTERFEROMETRY
2 HETERODYNE INTERFEROMETER 297119 2% 40% 26 Search HETERODYNE+INTERFEROMETER Search HETERODYNE+INTERFEROMETER
3 SURFACE ENCODER 265937 1% 85% 11 Search SURFACE+ENCODER Search SURFACE+ENCODER
4 STRAIGHTNESS MEASUREMENT 204081 1% 71% 10 Search STRAIGHTNESS+MEASUREMENT Search STRAIGHTNESS+MEASUREMENT
5 STRAIGHTNESS 201497 2% 31% 23 Search STRAIGHTNESS Search STRAIGHTNESS
6 ERROR SEPARATION 175667 2% 36% 17 Search ERROR+SEPARATION Search ERROR+SEPARATION
7 PERIODIC NONLINEARITY 155556 1% 78% 7 Search PERIODIC+NONLINEARITY Search PERIODIC+NONLINEARITY
8 SOFTWARE DATUM 155556 1% 78% 7 Search SOFTWARE+DATUM Search SOFTWARE+DATUM
9 LINEAR SLIDE 146941 1% 86% 6 Search LINEAR+SLIDE Search LINEAR+SLIDE
10 MULTI PROBE METHOD 146941 1% 86% 6 Search MULTI+PROBE+METHOD Search MULTI+PROBE+METHOD

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


rank cluster_id2 link
1 12949 GAUGE BLOCK//ABSOLUTE DISTANCE MEASUREMENT//AIR REFRACTIVE INDEX
2 27000 ANGLE ENCODER//ANGLE STANDARD//AUTOCOLLIMATOR
3 12463 NANOMETROLOGY//MICRO CMM//NANOPOSITIONING AND NANOMEASURING MACHINE
4 9958 THERMAL ERROR//GEOMETRIC ERROR//FIVE AXIS MACHINE TOOL
5 20819 WAVE PLATE//PHASE RETARDANCE//RETARDANCE
6 26809 INERTIAL FORCE//OPTICAL INTERFEROMETER//INERTIAL MASS
7 38660 PHOTOVOLTA METROL//ADDITIVE COLORATION//COLLOIDAL CENTER
8 14764 SELF MIXING INTERFERENCE//SELF MIXING INTERFEROMETRY//SELF MIXING
9 23617 LASER INTERFERENCE MICROSCOPY//COHERENT PHASE MICROSCOPY//DYNAMIC PHASE MICROSCOPY
10 10046 ABSOLUTE TEST//SUBAPERTURE STITCHING//LONG TRACE PROFILER

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