Class information for:
Level 1: ABSOLUTE TEST//SUBAPERTURE STITCHING//OPTICAL TESTING

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
14505 766 14.6 51%


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
10 4 OPTICS//PHYSICS, PARTICLES & FIELDS//PHYSICS, MULTIDISCIPLINARY 1131262
217 3       OPTICS//APPLIED OPTICS//OPTICAL ENGINEERING 50829
1405 2             SITE TESTING//ATMOSPHERIC EFFECTS//INSTRUMENTATION ADAPTIVE OPTICS 8044
14505 1                   ABSOLUTE TEST//SUBAPERTURE STITCHING//OPTICAL TESTING 766

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 ABSOLUTE TEST authKW 560558 2% 94% 15
2 SUBAPERTURE STITCHING authKW 478344 2% 100% 12
3 OPTICAL TESTING authKW 401585 6% 22% 46
4 SPACE OPT address 219621 3% 24% 23
5 LEHRSTUHL OPT address 159428 2% 29% 14
6 SHIFT ROTATION authKW 142361 1% 71% 5
7 THREE FLAT TEST authKW 142361 1% 71% 5
8 ASPHERES authKW 122070 1% 44% 7
9 ABSOLUTE FLATNESS TESTING authKW 119586 0% 100% 3
10 THREE FLAT METHOD authKW 119586 0% 100% 3

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Optics 28789 79% 0% 608
2 Instruments & Instrumentation 361 8% 0% 58
3 Spectroscopy 157 5% 0% 35
4 Engineering, Manufacturing 110 2% 0% 18
5 Engineering, General 110 3% 0% 26
6 Nanoscience & Nanotechnology 74 4% 0% 33
7 Physics, Applied 39 8% 0% 60
8 Physics, Multidisciplinary 18 4% 0% 31
9 Engineering, Electrical & Electronic 4 4% 0% 33
10 Education, Scientific Disciplines 3 1% 0% 4

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 SPACE OPT 219621 3% 24% 23
2 LEHRSTUHL OPT 159428 2% 29% 14
3 OPT SCI OPT ENGN 79724 0% 100% 2
4 WAVE FRONT MEASUREMENT 79724 0% 100% 2
5 TECH OPT 44197 2% 6% 18
6 ELECT ENGN PHOTOELECT TECHNOL 40991 1% 17% 6
7 2235 39862 0% 100% 1
8 ABT MESS QUAL TECH 39862 0% 100% 1
9 AE DA EFS4 39862 0% 100% 1
10 ARBEITSGRP DATENANAL MESSUNSICHERHEIT 39862 0% 100% 1

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 APPLIED OPTICS 41397 25% 1% 190
2 OPTICAL ENGINEERING 29386 13% 1% 101
3 JOURNAL OF THE OPTICAL SOCIETY OF KOREA 14755 2% 2% 17
4 OPTIK 5685 5% 0% 39
5 OPTICS EXPRESS 5383 9% 0% 68
6 PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS 4975 3% 0% 26
7 JOURNAL OF THE EUROPEAN OPTICAL SOCIETY-RAPID PUBLICATIONS 2528 1% 1% 6
8 PRECISION ENGINEERING-JOURNAL OF THE INTERNATIONAL SOCIETIES FOR PRECISION ENGINEERING AND NANOTECHNOLOGY 2269 1% 1% 9
9 JOURNAL OF OPTICAL TECHNOLOGY 2159 2% 0% 13
10 SOVIET JOURNAL OF OPTICAL TECHNOLOGY 1976 1% 1% 6

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 ABSOLUTE TEST 560558 2% 94% 15 Search ABSOLUTE+TEST Search ABSOLUTE+TEST
2 SUBAPERTURE STITCHING 478344 2% 100% 12 Search SUBAPERTURE+STITCHING Search SUBAPERTURE+STITCHING
3 OPTICAL TESTING 401585 6% 22% 46 Search OPTICAL+TESTING Search OPTICAL+TESTING
4 SHIFT ROTATION 142361 1% 71% 5 Search SHIFT+ROTATION Search SHIFT+ROTATION
5 THREE FLAT TEST 142361 1% 71% 5 Search THREE+FLAT+TEST Search THREE+FLAT+TEST
6 ASPHERES 122070 1% 44% 7 Search ASPHERES Search ASPHERES
7 ABSOLUTE FLATNESS TESTING 119586 0% 100% 3 Search ABSOLUTE+FLATNESS+TESTING Search ABSOLUTE+FLATNESS+TESTING
8 THREE FLAT METHOD 119586 0% 100% 3 Search THREE+FLAT+METHOD Search THREE+FLAT+METHOD
9 ASPHERICS 114962 2% 19% 15 Search ASPHERICS Search ASPHERICS
10 INTERFEROMETRY 96749 11% 3% 86 Search INTERFEROMETRY Search INTERFEROMETRY

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.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 VANNONI, M , SORDINI, A , MOLESINI, G , (2012) CALIBRATION OF ABSOLUTE PLANARITY FLATS: GENERALIZED ITERATIVE APPROACH.OPTICAL ENGINEERING. VOL. 51. ISSUE 8. P. - 28 97% 4
2 VANNONI, M , MOLESINI, G , (2008) THREE-FLAT TEST WITH PLATES IN HORIZONTAL POSTURE.APPLIED OPTICS. VOL. 47. ISSUE 12. P. 2133 -2145 27 93% 16
3 VANNONI, M , SORDINI, A , MOLESINI, G , (2010) LONG-TERM DEFORMATION AT ROOM TEMPERATURE OBSERVED IN FUSED SILICA.OPTICS EXPRESS. VOL. 18. ISSUE 5. P. 5114 -5123 26 81% 8
4 XUE, S , CHEN, SY , ZHAI, DD , SHI, F , (2017) QUASI-ABSOLUTE SURFACE FIGURE TEST WITH TWO ORTHOGONAL TRANSVERSE SPATIAL SHIFTS.OPTICS COMMUNICATIONS. VOL. 389. ISSUE . P. 133 -143 26 70% 0
5 QUAN, HY , HOU, X , WU, F , SONG, WH , (2015) ABSOLUTE MEASUREMENT OF OPTICAL FLATS BASED ON BASIC ITERATIVE METHODS.OPTICS EXPRESS. VOL. 23. ISSUE 12. P. 16305 -16319 19 95% 3
6 SHI, T , LIU, D , ZHOU, YH , YAN, TL , YANG, YY , ZHANG, L , BAI, JA , SHEN, YB , MIAO, L , HUANG, W , (2017) PRACTICAL RETRACE ERROR CORRECTION IN NON-NULL ASPHERIC TESTING: A COMPARISON.OPTICS COMMUNICATIONS. VOL. 383. ISSUE . P. 378 -385 19 95% 0
7 VANNONI, M , MOLESINI, G , (2007) ITERATIVE ALGORITHM FOR THREE FLAT TEST.OPTICS EXPRESS. VOL. 15. ISSUE 11. P. 6809-6816 23 96% 17
8 XU, C , CHEN, L , YIN, JY , (2009) METHOD FOR ABSOLUTE FLATNESS MEASUREMENT OF OPTICAL SURFACES.APPLIED OPTICS. VOL. 48. ISSUE 13. P. 2536 -2541 22 96% 8
9 HUANG, Y , MA, J , YUAN, CJ , PRUSS, C , SUN, WY , LIU, MC , ZHU, RH , GAO, ZS , OSTEN, WG , (2016) ABSOLUTE TEST FOR CYLINDRICAL SURFACES USING THE CONJUGATE DIFFERENTIAL METHOD.OPTICAL ENGINEERING. VOL. 55. ISSUE 11. P. - 21 78% 0
10 ZHANG, L , TIAN, C , LIU, D , SHI, T , YANG, YY , WU, HS , SHEN, YB , (2014) NON-NULL ANNULAR SUBAPERTURE STITCHING INTERFEROMETRY FOR STEEP ASPHERIC MEASUREMENT.APPLIED OPTICS. VOL. 53. ISSUE 25. P. 5755 -5762 15 100% 6

Classes with closest relation at Level 1


Rank Class id link
1 27570 RONCHI TEST//VECTOR ALGEBRA//HARTMANN TEST
2 23374 AUTOCOLLIMATOR//LONG TRACE PROFILER//SURFACE PROFILOMETER
3 5300 ADAPTIVE OPTICS//AD T OPT//SHACK HARTMANN WAVEFRONT SENSOR
4 21280 COLLIMATION TESTING//FOCAL LENGTH MEASUREMENT//BEIJING PRECIS OPTOELECT MEASUREMENT
5 805 SHEAROGRAPHY//SPECKLE INTERFEROMETRY//PHASE UNWRAPPING
6 19442 SKEW RAY TRACING//OFF AXIAL OPTICAL SYSTEM//ABERRATION FUNCTIONS
7 21070 PISTON ERROR//SPARSE APERTURE//SPARSE OPTICAL SYNTHETIC APERTURE
8 14951 HOLOGRAPHIC OPTICAL ELEMENTS//HYBRID REFRACTIVE DIFFRACTIVE SYSTEM//HOLOGRAPHIC LENSES
9 37141 LIGHT OF SIGHT STABILIZATION//AD T OPT TECHNOL//BANDPASS FAST STEERING MIRROR
10 26079 180 DEGREES ROTATION OF THE WEDGED PLATE//AMPLITUDE PHASE CHARACTERISTICS//BEAM REPLICATOR

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