Class information for:
Level 1: DIFFRACTIVE OPTICAL ELEMENTS//KINOFORM//COMPUTER GENERATED HOLOGRAM

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
584 2             DIGITAL HOLOGRAPHY//APPLIED OPTICS//OPTICS 14701
7376 1                   DIFFRACTIVE OPTICAL ELEMENTS//KINOFORM//COMPUTER GENERATED HOLOGRAM 1400

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 DIFFRACTIVE OPTICAL ELEMENTS authKW 452919 6% 25% 80
2 KINOFORM authKW 388347 3% 49% 35
3 COMPUTER GENERATED HOLOGRAM authKW 261314 4% 19% 60
4 DIFFRACTIVE OPTICS authKW 259296 5% 17% 66
5 BEAM SHAPING authKW 240036 3% 22% 48
6 ITERATIVE FOURIER TRANSFORM ALGORITHM authKW 113951 1% 56% 9
7 CLOSED BOUNDARY CYLINDRICAL MICROLENSES authKW 112552 0% 100% 5
8 DIFFRACT OPT GRP address 112552 0% 100% 5
9 ENGN PHYS SCI PHYS address 93791 0% 83% 5
10 FOCUSATORS authKW 90041 0% 100% 4

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Optics 66046 89% 0% 1244
2 Physics, Applied 129 9% 0% 130
3 Engineering, Electrical & Electronic 16 5% 0% 69
4 Physics, Multidisciplinary 11 3% 0% 44
5 Spectroscopy 5 1% 0% 17
6 Nanoscience & Nanotechnology 3 2% 0% 22
7 Instruments & Instrumentation 0 1% 0% 14
8 Education, Scientific Disciplines -0 0% 0% 3
9 Computer Science, Cybernetics -0 0% 0% 1
10 Computer Science, Theory & Methods -0 1% 0% 9

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 DIFFRACT OPT GRP 112552 0% 100% 5
2 ENGN PHYS SCI PHYS 93791 0% 83% 5
3 THZ OPTOELECT 90033 1% 50% 8
4 POWER PLANT AUTOMAT SYST 67531 0% 100% 3
5 BEIJING THZ SPECT IMAGING 64875 1% 41% 7
6 LG OPT NACHRICHTENTECH 45021 0% 100% 2
7 OPTELECT INFORMAT SCI TECHNOL 45021 0% 100% 2
8 SYST PHOTON 40912 1% 18% 10
9 EA 3426 30012 0% 67% 2
10 ADV MECH STORAGE 22510 0% 100% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 APPLIED OPTICS 79752 25% 1% 356
2 JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION 28195 8% 1% 112
3 OPTICS COMMUNICATIONS 19859 11% 1% 153
4 OPTICAL ENGINEERING 14667 7% 1% 97
5 JOURNAL OF MODERN OPTICS 11127 4% 1% 57
6 OPTICAL REVIEW 10836 2% 2% 32
7 JOURNAL OF OPTICAL TECHNOLOGY 5793 2% 1% 29
8 OPTICS AND LASER TECHNOLOGY 5149 2% 1% 33
9 OPTICS LETTERS 4569 6% 0% 79
10 OPTIK 4513 3% 0% 48

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 DIFFRACTIVE OPTICAL ELEMENTS 452919 6% 25% 80 Search DIFFRACTIVE+OPTICAL+ELEMENTS Search DIFFRACTIVE+OPTICAL+ELEMENTS
2 KINOFORM 388347 3% 49% 35 Search KINOFORM Search KINOFORM
3 COMPUTER GENERATED HOLOGRAM 261314 4% 19% 60 Search COMPUTER+GENERATED+HOLOGRAM Search COMPUTER+GENERATED+HOLOGRAM
4 DIFFRACTIVE OPTICS 259296 5% 17% 66 Search DIFFRACTIVE+OPTICS Search DIFFRACTIVE+OPTICS
5 BEAM SHAPING 240036 3% 22% 48 Search BEAM+SHAPING Search BEAM+SHAPING
6 ITERATIVE FOURIER TRANSFORM ALGORITHM 113951 1% 56% 9 Search ITERATIVE+FOURIER+TRANSFORM+ALGORITHM Search ITERATIVE+FOURIER+TRANSFORM+ALGORITHM
7 CLOSED BOUNDARY CYLINDRICAL MICROLENSES 112552 0% 100% 5 Search CLOSED+BOUNDARY+CYLINDRICAL+MICROLENSES Search CLOSED+BOUNDARY+CYLINDRICAL+MICROLENSES
8 FOCUSATORS 90041 0% 100% 4 Search FOCUSATORS Search FOCUSATORS
9 HYBRID REFRACTIVE DIFFRACTIVE SYSTEM 90041 0% 100% 4 Search HYBRID+REFRACTIVE+DIFFRACTIVE+SYSTEM Search HYBRID+REFRACTIVE+DIFFRACTIVE+SYSTEM
10 PRISM DUCT 90041 0% 100% 4 Search PRISM+DUCT Search PRISM+DUCT

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 22985 HOLOGRAPHIC OPTICAL ELEMENTS//HOLOGRAPHIC LENSES//LLOYDS MIRROR INTERFERENCE
2 13999 HOLOGRAPHIC DISPLAY//COMPUTER GENERATED HOLOGRAM//HOLOGRAPHIC STEREOGRAM
3 15371 SPATIAL LIGHT MODULATOR//LIQUID CRYSTAL TELEVISION//LIQUID CRYSTAL DEVICES
4 4250 SCATTEROMETRY//FOURIER MODAL METHOD//RIGOROUS COUPLED WAVE ANALYSIS
5 8212 MICROLENS ARRAY//MICROLENS//MICRO OPTICS
6 22900 PHOTON SIEVE//COMPLEX MEDIA//PHOTONIC FRACTAL
7 18672 ERROR DIFFUSION//HALFTONING//INVERSE HALFTONING
8 15956 MODE DISCRIMINATION//VARIABLE REFLECTIVITY MIRROR//MILIEUX IONISES LASERS
9 20363 GRATING COUPLER//BULK OPTICAL WAVES//DIFFRACTIONAL DIVERGENCE
10 3843 JOINT TRANSFORM CORRELATOR//OPTICAL PATTERN RECOGNITION//SYNTHETIC DISCRIMINANT FUNCTION

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