Class information for:
Level 1: HOLOGRAPHIC DATA STORAGE//HOLOGRAPHIC MEMORY//VOLUME HOLOGRAPHIC MEMORY

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
11130 1006 16.2 64%


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
342 3       OPTICS//LITHIUM NIOBATE//CONDON DOMAINS 36713
2859 2             PHOTOPOLYMER//HOLOGRAPHIC DATA STORAGE//HOLOGRAPHIC RECORDING MATERIALS 2927
11130 1                   HOLOGRAPHIC DATA STORAGE//HOLOGRAPHIC MEMORY//VOLUME HOLOGRAPHIC MEMORY 1006

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 HOLOGRAPHIC DATA STORAGE authKW 1070331 6% 57% 62
2 HOLOGRAPHIC MEMORY authKW 704441 4% 55% 42
3 VOLUME HOLOGRAPHIC MEMORY authKW 431665 2% 89% 16
4 VOLUME HOLOGRAPHIC STORAGE authKW 244831 1% 73% 11
5 HOLOGRAPHIC STORAGE authKW 233068 2% 32% 24
6 SHIFT MULTIPLEXING authKW 212462 1% 100% 7
7 VOLUME HOLOGRAPHY authKW 192799 2% 35% 18
8 PHASE CODE MULTIPLEXING authKW 156093 1% 86% 6
9 ANGLE MULTIPLEXING authKW 149418 1% 62% 8
10 TERA BYTES MEMORY DEV address 126464 0% 83% 5

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 28299 69% 0% 693
2 Physics, Applied 1704 28% 0% 283
3 Engineering, Electrical & Electronic 174 10% 0% 103
4 Nanoscience & Nanotechnology 11 2% 0% 22
5 Computer Science, Hardware & Architecture 5 1% 0% 7
6 Computer Science, Software Engineering 1 1% 0% 7
7 Computer Science, Information Systems 0 1% 0% 8
8 Computer Science, Cybernetics 0 0% 0% 1
9 Imaging Science & Photographic Technology 0 0% 0% 2
10 Spectroscopy -0 1% 0% 7

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 TERA BYTES MEMORY DEV 126464 0% 83% 5
2 TERA BYTES MEM DEV SHINAGAWA KU 91055 0% 100% 3
3 TECHNOL INNOVAT INFORMAT TELECOMMUN 84306 0% 56% 5
4 GRP COMP COMMUN SYST 68290 0% 75% 3
5 CORE COMPONENT BUSINESS UNITSHINAGAWA KU 60703 0% 100% 2
6 CORE TECHNOL DEV GRPSHINAGAWA KU 60703 0% 100% 2
7 LASER SENSOR TECHNOL 60703 0% 100% 2
8 MC DEV TEAM 60703 0% 100% 2
9 TERA BYTES MEM DEV 60703 0% 100% 2
10 PROGRAM ELE OOPT ENGN 53105 1% 25% 7

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 29788 18% 1% 185
2 JAPANESE JOURNAL OF APPLIED PHYSICS 24451 11% 1% 113
3 OPTICS LETTERS 21357 14% 0% 144
4 OPTICS COMMUNICATIONS 6147 7% 0% 73
5 OPTICAL REVIEW 5923 2% 1% 20
6 OPTICAL ENGINEERING 3998 4% 0% 43
7 JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS 3949 6% 0% 64
8 MICROSYSTEM TECHNOLOGIES-MICRO-AND NANOSYSTEMS-INFORMATION STORAGE AND PROCESSING SYSTEMS 3246 2% 1% 19
9 JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION 3122 3% 0% 32
10 OPTICAL AND QUANTUM ELECTRONICS 1694 1% 0% 15

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 HOLOGRAPHIC DATA STORAGE 1070331 6% 57% 62 Search HOLOGRAPHIC+DATA+STORAGE Search HOLOGRAPHIC+DATA+STORAGE
2 HOLOGRAPHIC MEMORY 704441 4% 55% 42 Search HOLOGRAPHIC+MEMORY Search HOLOGRAPHIC+MEMORY
3 VOLUME HOLOGRAPHIC MEMORY 431665 2% 89% 16 Search VOLUME+HOLOGRAPHIC+MEMORY Search VOLUME+HOLOGRAPHIC+MEMORY
4 VOLUME HOLOGRAPHIC STORAGE 244831 1% 73% 11 Search VOLUME+HOLOGRAPHIC+STORAGE Search VOLUME+HOLOGRAPHIC+STORAGE
5 HOLOGRAPHIC STORAGE 233068 2% 32% 24 Search HOLOGRAPHIC+STORAGE Search HOLOGRAPHIC+STORAGE
6 SHIFT MULTIPLEXING 212462 1% 100% 7 Search SHIFT+MULTIPLEXING Search SHIFT+MULTIPLEXING
7 VOLUME HOLOGRAPHY 192799 2% 35% 18 Search VOLUME+HOLOGRAPHY Search VOLUME+HOLOGRAPHY
8 PHASE CODE MULTIPLEXING 156093 1% 86% 6 Search PHASE+CODE+MULTIPLEXING Search PHASE+CODE+MULTIPLEXING
9 ANGLE MULTIPLEXING 149418 1% 62% 8 Search ANGLE+MULTIPLEXING Search ANGLE+MULTIPLEXING
10 MULTILAYERED WAVEGUIDE HOLOGRAPHIC MEMORY 121407 0% 100% 4 Search MULTILAYERED+WAVEGUIDE+HOLOGRAPHIC+MEMORY Search MULTILAYERED+WAVEGUIDE+HOLOGRAPHIC+MEMORY

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 HESSELINK, L , ORLOV, SS , BASHAW, MC , (2004) HOLOGRAPHIC DATA STORAGE SYSTEMS.PROCEEDINGS OF THE IEEE. VOL. 92. ISSUE 8. P. 1231 -1280 45 63% 210
2 SU, WC , SUN, CC , (2012) REVIEW OF RANDOM PHASE ENCODING IN VOLUME HOLOGRAPHIC STORAGE.MATERIALS. VOL. 5. ISSUE 9. P. 1635-1653 41 68% 1
3 ETO, T , TAKABAYASHI, M , OKAMOTO, A , BUNSEN, M , OKAMOTO, T , (2016) NUMERICAL SIMULATIONS ON INTER-PAGE CROSSTALK CHARACTERISTICS IN THREE-DIMENSIONAL SHIFT MULTIPLEXED SELF-REFERENTIAL HOLOGRAPHIC DATA STORAGE.JAPANESE JOURNAL OF APPLIED PHYSICS. VOL. 55. ISSUE 8. P. - 26 93% 0
4 LI, JH , HE, MZ , ZHENG, TX , CAO, LC , HE, QS , JIN, GF , (2011) TWO-DIMENSIONAL SHIFT-ORTHOGONAL RANDOM-INTERLEAVING PHASE-CODE MULTIPLEXING FOR HOLOGRAPHIC DATA STORAGE.OPTICS COMMUNICATIONS. VOL. 284. ISSUE 24. P. 5562-5567 28 90% 3
5 SON, K , LIM, SY , LEE, JS , JEONG, W , YANG, H , (2016) TILT MEASUREMENT AND COMPENSATION ALGORITHM FOR HOLOGRAPHIC DATA STORAGE WITH OPTIMIZED QUADRATIC WINDOWS.JAPANESE JOURNAL OF APPLIED PHYSICS. VOL. 55. ISSUE 9. P. - 23 92% 0
6 NOBUKAWA, T , NOMURA, T , (2014) DESIGN OF HIGH-RESOLUTION AND MULTILEVEL REFERENCE PATTERN FOR IMPROVEMENT OF BOTH LIGHT UTILIZATION EFFICIENCY AND SIGNAL-TO-NOISE RATIO IN COAXIAL HOLOGRAPHIC DATA STORAGE.APPLIED OPTICS. VOL. 53. ISSUE 17. P. 3773 -3781 22 96% 3
7 CHOU, WC , NEIFELD, MA , (1998) INTERLEAVING AND ERROR CORRECTION IN VOLUME HOLOGRAPHIC MEMORY SYSTEMS.APPLIED OPTICS. VOL. 37. ISSUE 29. P. 6951-6968 35 88% 22
8 YOSHIDA, S , TAKAHATA, Y , HORIUCHI, S , YAMAMOTO, M , (2015) DIFFRACTION MODEL OF PERISTROPHIC MULTIPLEXING WITH SPHERICAL REFERENCE WAVE.JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION. VOL. 32. ISSUE 2. P. 224 -227 20 91% 2
9 DAS, B , JOSEPH, J , SINGH, K , (2009) PHASE-IMAGE-BASED SPARSE-GRAY-LEVEL DATA PAGES FOR HOLOGRAPHIC DATA STORAGE.APPLIED OPTICS. VOL. 48. ISSUE 28. P. 5240 -5250 22 96% 8
10 LIN, X , HUANG, Y , CHENG, YB , LIU, JP , XU, K , LI, XT , TAN, XD , (2016) INTER-PAGE-CROSSTALK REDUCTION IN HOLOGRAPHIC DATA STORAGE SYSTEM THROUGH PHASE MODULATION IN SIGNAL REGION.JAPANESE JOURNAL OF APPLIED PHYSICS. VOL. 55. ISSUE 9. P. - 20 91% 0

Classes with closest relation at Level 1


Rank Class id link
1 5747 PHOTOPOLYMER//HOLOGRAPHIC RECORDING MATERIALS//INTERUNIV OPT
2 14822 OPTICAL NEURAL NETWORKS//OPTICAL ASSOCIATIVE MEMORY//FREQUENCY DOMAIN PARALLELISM
3 36875 DEEP HOLOGRAMS//SELECTOGRAMS//DEEP VOLUME HOLOGRAMS
4 383 PHOTOREFRACTIVE CRYSTAL//PHOTOREFRACTIVE EFFECT//TWO WAVE MIXING
5 9532 OPTICAL ENCRYPTION//OPTICAL IMAGE ENCRYPTION//DOUBLE RANDOM PHASE ENCODING
6 36410 FIBER SPECKLEGRAMS//GRP FIS BASICA LICADA//FIBER SPECKLE
7 1182 LITHIUM NIOBATE//OPTOELECT INFORMAT ENGN//PRECIS RUMENTS OPTOELECT ENGN
8 8412 SOLID IMMERSION LENS//INFORMAT STORAGE DEVICE//NEAR FIELD RECORDING
9 19863 COHERENCE GATING//ULTRASHORT PULSED BEAM//SPECTRAL HOLOGRAPHY
10 3641 JOINT TRANSFORM CORRELATOR//OPTICAL PATTERN RECOGNITION//SYNTHETIC DISCRIMINANT FUNCTION

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