Collinear Holography: Devices, Materials, Data Storage

286 Pages·2022·18.525 MB·English

by  Xiaodi Tan, Hideyoshi Horimai, Tsutomu Shimura, Xiao Lin

CollinearHolography

Collinear Holography
Devices, Materials, Data Storage
Xiaodi Tan
Hideyoshi Horimai
Tsutomu Shimura
Xiao Lin
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PrintISBN:978-3-527-41363-8
ePDFISBN:978-3-527-81045-1
ePubISBN:978-3-527-81047-5
oBookISBN:978-3-527-81048-2
Typesetting Straive,Chennai,India
v
Contents
Preface xi
Foreword xiii
1 Introduction 1
1.1 BigDataEra 1
1.2 HistoryofHolographicDataStorage 4
1.3 PresentProblems 9
1.3.1 RecordingMedium 9
1.3.2 MultiplexingDiffractionEfficiency 10
1.3.3 MediaDuplication 10
1.3.4 PixelMatching 10
1.3.5 High-SpeedReading 11
References 11
2 SystemofCollinearHolography 17
2.1 PolarizedCollinearHolography 17
2.1.1 Introduction 17
2.1.2 Magneto-OpticalHolographyandPrincipleofPolarizationSeparation
andReproduction 17
2.1.3 BasicPrincipleofPolarizationCollinearHolography 19
2.1.4 ResultsofExperimentstoVerifytheBasicPrincipleofPolarization
CollinearHolography 23
2.2 PrincipleofCollinearHolography 23
2.2.1 Introduction 23
2.2.2 BasicTechnologyofHolographicOpticalMemory 25
2.2.2.1 InterferenceandDiffraction 25
2.2.2.2 MultiplexingTechnology 26
2.2.3 RecordingandPlaybackMethodofCollinearHolographyandItsProof
ofPrinciple 29
2.2.4 PracticalCollinearMethodofOpticalMemory 32
2.2.4.1 BasicConcept 32
2.2.4.2 BasicCollinearOpticalSystem 34
vi Contents
2.3 CollinearRecordingandReproductionCharacteristicEvaluationDevice:
S-VRD 37
2.4 B-VRD 40
2.5 HVD-ES1 47
2.5.1 SystemOverviewandBackgroundofDevelopment 47
2.5.2 OverallSystemConfiguration 48
2.5.3 MainUnit 49
2.5.3.1 HardwareandParameters 49
2.5.3.2 SystemControllerSection 49
2.5.4 RecordingPlaybackConditionandCorrespondingMedia 53
2.5.5 Specifications 53
2.6 SHOT-2000(StandardHolographicOpticalTesterforCollinear
System) 54
2.6.1 HistoryofSHOT-2000Development 54
2.6.2 SHOT-2000SystemOutline 56
2.6.2.1 DeviceAppearance 56
2.6.2.2 ActualityofDiscEvaluation 56
2.6.2.3 BlockDiagram 56
2.6.3 OpticalSystem(LightSource,SLM,Actuator,Camera,etc.) 58
2.6.3.1 GreenLaser 58
2.6.3.2 SLM(DMD) 58
2.6.3.3 ObjectiveLensUnit 59
2.6.3.4 StructureofHVD 59
2.6.3.5 CMOSCamera 60
2.6.3.6 RedLaserforServo 60
2.6.4 ControlSystem 61
2.6.5 ControlSoftware(Recording,Reconstruction,SequenceControl,
andsoon) 61
2.6.5.1 ParameterSettingScreen 61
2.6.5.2 EvaluationResultDisplayScreen 61
2.6.5.3 EvaluationItems 63
2.6.6 CurrentResearchandDevelopmentUsingSHOT-2000 63
Glossary 64
References 64
3 TheoriesofCollinearHolography 67
3.1 AnalysisofaCollinearHolographicStorageSystem:Introductionof
PixelSpreadFunction 67
3.2 TheoreticalTreatmentoftheCollinearSystemandFormulateNumerical
EvaluationTechniqueBasedontheScalarDiffractionTheory 73
3.2.1 PrincipleofOpticalAutocorrelationMethod 73
3.2.2 SimulationSchemeforCollinearSystem 75
3.2.2.1 FormulizationofVIE 75
3.2.2.2 RecordingProcess 76
3.2.3 NumericalEvaluation 76
Contents vii
3.3 OrthogonalReferencePatternsMultiplexingforCollinearHolographic
DataStorage 78
3.3.1 PrincipleoftheORPMMethod 78
3.3.1.1 TheoreticalFormulationfortheRPMMethod 79
3.3.1.2 OrthogonalCondition 81
3.3.1.3 ParallelOpticalImageSuperimposition 82
3.3.1.4 OrthogonalRadial-LineRPs 83
3.3.2 CrosstalkAnalysisforORPM 83
3.3.3 OrthogonalReferencePatternsModulatedShiftingMultiplexing 86
3.3.4 ExperimentalResults 89
3.4 SimulationofInterferenceFringesFormedbyCollinearMethod 91
References 97
4 KeyDevicesandComponents 99
4.1 Lasers 99
4.1.1 Introduction 99
4.1.2 SolidLasersforCollinearTechnology 101
4.1.3 LaserDiodeforHVD-ROM 104
4.1.4 Conclusions 106
4.2 DMD 106
4.3 CMOS 112
4.4 ServoActuator 115
References 120
5 Materials 123
5.1 HolographicMediaforCommercialUses 123
5.1.1 Introduction 123
5.1.2 MediaDevelopedbyInPhaseandAprilis 123
5.1.2.1 HDSRecordingSystem 123
5.1.2.2 InPhaseMedia 124
5.1.2.3 AprilisMedia 127
5.1.3 Conclusion 128
5.2 HolographicPhotopolymerMaterials 129
5.2.1 Introduction 129
5.2.2 PhotopolymerizationandGratingFormationProcesses 129
5.2.2.1 PhotochemicalReactions 129
5.2.2.2 HolographicGratingFormationinaBinder-BasedPhotopolymer 131
5.2.2.3 HolographicGratingFormationinanNPC 132
5.2.3 HolographicCharacterizationMethods 132
5.2.4 HolographicPhotopolymerMaterialsandTheirImprovementfora
High-Spatial-ResolutionRecording 134
5.2.5 Conclusion 137
5.3 PQ/PMMA 138
5.3.1 Introduction 138
5.3.2 MaterialPreparation 139
viii Contents
5.3.3 PhotochemicalReaction 140
5.3.4 ResultsandDiscussions 141
5.3.4.1 FourierTransformInfraredSpectroscopicMeasurements 141
5.3.4.2 Ultraviolet–VisibleSpectroscopicMeasurements 142
5.3.4.3 PhotoinducedBirefringence 142
5.3.4.4 OrthogonalLinearlyPolarizedHolography 143
5.3.5 Applications 146
References 147
6 DataFormat 155
6.1 3:16Modulation 155
6.2 SyncFormat 157
6.3 ReferencePattern 160
6.3.1 DependenceontheReferencePatterns 161
6.3.2 DependenceontheWidthoftheReferencePattern 161
6.3.3 AdjustmentLightEnergyRatio 164
6.4 PhaseModulation 165
6.4.1 Introduction 165
6.4.2 FundamentalPrincipleofOpticalPhase-LockedCollinearSystem 167
6.4.2.1 FundamentalPrinciplesandExperimentalResults 167
6.4.2.2 OpticalRecordingandReproducingSystemforOpticalPhase
Locking 169
6.4.2.3 PageDataStructureofOpticalPhase-LockedSystem 169
6.4.2.4 PhaseandMultipageDataRecordingandPlaybackProcess 172
6.4.3 PhaseLockedMultiPhaseRecordingwithOpticalPhaseLocking 175
6.4.3.1 FundamentalExperimentofFour-PhaseGradationRecording 175
6.4.3.2 FactorAnalysisofPhaseError 177
6.4.4 PhaseMultiLevelGrayScaleRecordingandReproduction
CharacteristicsofOpticalPhase-LockedSystem 178
6.4.5 FundamentalPrinciplesofPhaseEncodingMultiplexed
Recording 180
6.4.6 Summary 183
6.5 Low-DensityParity-CheckCode 184
6.6 DiscFormat 186
6.6.1 PlaybackSequence 186
6.6.2 On-the-FlyRecording/PlaybackExperiment 188
References 192
7 CharacteristicsofWriteandRead 195
7.1 Introduction 195
7.2 ShiftSelectivity 196
7.2.1 EvaluationofPlaybackSignalStrengthwithRespecttoMovementof
PlaybackPosition 196
7.2.2 DemonstrationofCollinearShiftMultiplexRecordingandPlayback
Principle 198