Class information for:
Level 1: PHOTOREFRACTIVE CRYSTAL//PHOTOREFRACTIVE EFFECT//TWO WAVE MIXING

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
383 3554 17.2 63%


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
945 2             OPTICS//OPTICS COMMUNICATIONS//KVANTOVAYA ELEKTRONIKA 10914
383 1                   PHOTOREFRACTIVE CRYSTAL//PHOTOREFRACTIVE EFFECT//TWO WAVE MIXING 3554

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 PHOTOREFRACTIVE CRYSTAL authKW 235048 2% 36% 76
2 PHOTOREFRACTIVE EFFECT authKW 212658 3% 24% 105
3 TWO WAVE MIXING authKW 206195 1% 49% 49
4 PHOTOREFRACTIVE authKW 159130 2% 28% 66
5 PHOTOREFRACTIVE GRATING authKW 151459 1% 77% 23
6 JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS journal 120924 11% 4% 392
7 PHOTOREFRACTIVE MATERIALS authKW 107136 1% 27% 47
8 OPTICS WoSSC 85627 64% 0% 2270
9 SELF PUMPED PHASE CONJUGATION authKW 84173 0% 70% 14
10 OPTICS COMMUNICATIONS journal 83894 14% 2% 504

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 85627 64% 0% 2270
2 Physics, Applied 5135 26% 0% 933
3 Physics, Condensed Matter 442 8% 0% 285
4 Physics, Multidisciplinary 403 7% 0% 235
5 Engineering, Electrical & Electronic 349 8% 0% 301
6 Materials Science, Multidisciplinary 111 8% 0% 274
7 Spectroscopy 21 1% 0% 49
8 Physics, Fluids & Plasmas 3 1% 0% 28
9 Physics, Mathematical -0 1% 0% 24
10 Crystallography -0 1% 0% 22

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 FOR UNG MINERAL MET WERKSTOFFE 44175 0% 86% 6
2 INT NONLINEAR STUDIES 34356 0% 67% 6
3 COHERENT OPT HOLOG 30676 0% 71% 5
4 OPT PROC NETWORKING 25770 0% 100% 3
5 FOR UNGS MINERAL MET WERKSTOFFE 23857 0% 56% 5
6 ADV TRAINING NEW AREAS SCI TECHNOL ECON 15460 0% 60% 3
7 LASERS SPECT 13628 0% 18% 9
8 OPT FLUID DYNAM 13539 1% 8% 21
9 VAISALA 13142 0% 22% 7
10 GOE 12489 0% 36% 4

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 JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS 120924 11% 4% 392
2 OPTICS COMMUNICATIONS 83894 14% 2% 504
3 OPTICS LETTERS 49091 12% 1% 411
4 APPLIED PHYSICS B-LASERS AND OPTICS 16637 3% 2% 121
5 INTERNATIONAL JOURNAL OF NONLINEAR OPTICAL PHYSICS 13142 0% 22% 7
6 APPLIED OPTICS 10076 6% 1% 205
7 APPLIED PHYSICS B-PHOTOPHYSICS AND LASER CHEMISTRY 9551 1% 3% 42
8 OPTICAL MATERIALS 6222 2% 1% 69
9 KVANTOVAYA ELEKTRONIKA 5611 2% 1% 66
10 FERROELECTRICS 5539 3% 1% 91

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 PHOTOREFRACTIVE CRYSTAL 235048 2% 36% 76 Search PHOTOREFRACTIVE+CRYSTAL Search PHOTOREFRACTIVE+CRYSTAL
2 PHOTOREFRACTIVE EFFECT 212658 3% 24% 105 Search PHOTOREFRACTIVE+EFFECT Search PHOTOREFRACTIVE+EFFECT
3 TWO WAVE MIXING 206195 1% 49% 49 Search TWO+WAVE+MIXING Search TWO+WAVE+MIXING
4 PHOTOREFRACTIVE 159130 2% 28% 66 Search PHOTOREFRACTIVE Search PHOTOREFRACTIVE
5 PHOTOREFRACTIVE GRATING 151459 1% 77% 23 Search PHOTOREFRACTIVE+GRATING Search PHOTOREFRACTIVE+GRATING
6 PHOTOREFRACTIVE MATERIALS 107136 1% 27% 47 Search PHOTOREFRACTIVE+MATERIALS Search PHOTOREFRACTIVE+MATERIALS
7 SELF PUMPED PHASE CONJUGATION 84173 0% 70% 14 Search SELF+PUMPED+PHASE+CONJUGATION Search SELF+PUMPED+PHASE+CONJUGATION
8 BATIO3 CRYSTAL 78089 0% 91% 10 Search BATIO3+CRYSTAL Search BATIO3+CRYSTAL
9 TWO BEAM COUPLING 67792 1% 34% 23 Search TWO+BEAM+COUPLING Search TWO+BEAM+COUPLING
10 PHASE CONJUGATION 62459 1% 17% 43 Search PHASE+CONJUGATION Search PHASE+CONJUGATION

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 BUSE, K , (1997) LIGHT-INDUCED CHARGE TRANSPORT PROCESSES IN PHOTOREFRACTIVE CRYSTALS .1. MODELS AND EXPERIMENTAL METHODS.APPLIED PHYSICS B-LASERS AND OPTICS. VOL. 64. ISSUE 3. P. 273 -291 109 75% 240
2 BUSE, K , (1997) LIGHT-INDUCED CHARGE TRANSPORT PROCESSES IN PHOTOREFRACTIVE CRYSTALS .2. MATERIALS.APPLIED PHYSICS B-LASERS AND OPTICS. VOL. 64. ISSUE 4. P. 391 -407 129 66% 160
3 STEPANOV, SI , (1994) APPLICATIONS OF PHOTOREFRACTIVE CRYSTALS.REPORTS ON PROGRESS IN PHYSICS. VOL. 57. ISSUE 1. P. 39 -116 137 72% 115
4 JOHANSEN, M , (2003) PHOTOREFRACTIVE SPACE-CHARGE FIELD FORMATION: LINEAR AND NONLINEAR EFFECTS.JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS. VOL. 5. ISSUE 6. P. S398 -S415 84 97% 4
5 SHEPELEVICH, VV , (2011) HOLOGRAM RECORDING AND READING IN CUBIC GYROTROPIC PHOTOREFRACTIVE PIEZOCRYSTALS (REVIEW).JOURNAL OF APPLIED SPECTROSCOPY. VOL. 78. ISSUE 4. P. 461 -483 60 90% 1
6 SONDERER, N , GUNTER, P , (1994) NEAR-INFRARED NONLINEAR-OPTICAL PHASE-CONJUGATION IN PHOTOREFRACTIVE CRYSTALS AND SEMICONDUCTOR-MATERIALS .2. MATERIALS AND APPLICATIONS.INTERNATIONAL JOURNAL OF NONLINEAR OPTICAL PHYSICS. VOL. 3. ISSUE 3. P. 373 -438 116 71% 5
7 DELIOLANIS, NC , KOURMOULIS, IM , APOSTOLIDIS, AG , VANIDHIS, ED , PAPAZOGLOU, DG , (2003) DIFFRACTIVE PROPERTIES OF VOLUME PHASE GRATINGS IN PHOTOREFRACTIVE SILLENITE CRYSTALS OF ARBITRARY CUT UNDER THE INFLUENCE OF AN EXTERNAL ELECTRIC FIELD.PHYSICAL REVIEW E. VOL. 68. ISSUE 5. P. - 44 94% 9
8 MAURYA, MK , YADAV, TK , YADAV, D , YADAV, RA , (2011) OSCILLATION CHARACTERISTICS OF A COUPLED UNIDIRECTIONAL RING RESONATORS WITH PHOTOREFRACTIVE CRYSTALS.OPTICS AND LASER TECHNOLOGY. VOL. 43. ISSUE 7. P. 1041-1053 38 88% 0
9 MILLERD, JE , ZIARI, M , PARTOVI, A , (1999) PHOTOREFRACTIVITY IN SEMICONDUCTORS.NONLINEAR OPTICS IN SEMICONDUCTORS I. VOL. 58. ISSUE . P. 319 -401 67 61% 2
10 FEINBERG, J , MACDONALD, KR , (1989) PHASE-CONJUGATE MIRRORS AND RESONATORS WITH PHOTOREFRACTIVE MATERIALS.TOPICS IN APPLIED PHYSICS. VOL. 62. ISSUE . P. 151 -203 70 89% 0

Classes with closest relation at Level 1


Rank Class id link
1 11369 SILLENITE//BI12SIO20//BI12SIO20 CRYSTALS
2 28416 ANTICOHERENCE OF LIGHT//GAUSSIAN INTENSITY PROFILE//GAUSSIAN WAVE PROPAGATION
3 11130 HOLOGRAPHIC DATA STORAGE//HOLOGRAPHIC MEMORY//VOLUME HOLOGRAPHIC MEMORY
4 16141 GAIN GRATING//MULTICHANNEL LASER SYSTEM//VECTOR PHASE CONJUGATION
5 19863 COHERENCE GATING//ULTRASHORT PULSED BEAM//SPECTRAL HOLOGRAPHY
6 31975 BOXCAR OPTICAL CONFIGURATION//FORWARD FOUR WAVE MIXING//PHASE CONJUGATE BEAM INTENSITY PROFILE
7 21190 SOLID STATE PHYS CHEM//SN2P2S6//SN2P2S6 CRYSTALS
8 20346 MULTIFUNCT ELECT MAT DEVICE//POTASSIUM TANTALATE NIOBATE//KLTN
9 12390 PHOTOREFRACTIVE POLYMER//ORGAN PHOTOREFRACT MAT//PHOTOREFRACTIVE
10 23366 BISTABLE CENTERS//CDF2 IN//DIRECT IMAGE TRANSMISSION

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