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| Preface | |
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| Contributors | |
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| Introduction | |
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| Light-Induced Dynamic Gratings and Photorefraction | |
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| Introduction | |
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| Two-Beam Interference and Interference Gratings | |
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| Material Response: Amplitude and Phase Gratings | |
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| Grating Detection by Diffraction and Wave-Mixing | |
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| Conclusions | |
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| Fundamentals of Photorefractive Phenomena | |
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| The Photorefractive Nonlinearity: Introductory Remarks | |
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| Physical Mechanisms: Standard Microscopic Model | |
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| Theoretical Modeling: Rate Equations | |
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| Photovoltaic Drift | |
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| Macroscopic Formulation | |
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| Low Intensities: Continuous Wave (CW) Regime | |
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| Quasi-Equilibrium (Adiabatic) Approximation | |
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| Perturbative Approach to the Nonlinear Equation | |
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| Sinusoidal Light Excitation at Low Modulation Linear Equation for the Field | |
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| Summary of Characteristic Times, Lengths and Fields | |
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| Grating Enhancement Methods | |
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| High-Contrast Effects | |
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| Space-Charge Waves | |
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| Complicating Features to the Standard Model | |
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| Localized Optical Beams | |
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| Transient and Quasi-Steady-State Effects | |
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| Conclusions | |
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| Space-Charge Driven Holograms in Anisotropic Media | |
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| Introduction | |
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| Basic Considerations | |
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| Light Diffraction at Thick Anisotropic Phase and Absorption Gratings | |
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| Two-Wave Mixing in Anisotropic Dichroic Media | |
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| Examples | |
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| Conclusions | |
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| Space-Charge Wave Effects in Photorefractive Materials | |
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| Overview | |
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| Space-Charge Wave Characteristics | |
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| Linear Excitation of Space-Charge Waves | |
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| Parametric Excitation of SCWs: Subharmonic Generation | |
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| High-Contrast Effects in Photorefractive Response | |
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| Joint Action of Material and Optical Nonlinearities | |
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| Conclusions | |
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| Feedback-Controlled Photorefractive Beam Coupling | |
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| Introduction | |
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| Operation Principle of the Feedback Setup | |
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| Basic Relations for Feedback-Controlled Beam Coupling | |
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| Periodic States | |
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| Feedback Operation in Reflection Geometry | |
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| Summary | |
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| Band-to-Band Photorefraction | |
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| Introduction | |
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| Interband Photorefraction with cw Recording Waves | |
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| Materials | |
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| Applications | |
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| Conclusions | |
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| Two-Step Recording in Photorefractive Crystals | |
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| Introduction | |
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| Early Experiments | |
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| Shallow Levels, Two-Level Models | |
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| Two-Step Excitations via Shallow Levels | |
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| Hologram Recording Utilizing Pyroelectric Fields | |
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| Lifetime of the Holograms | |
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| Advantages of Infrared Recording | |
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| Conclusions | |
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| Spatio-Temporal Instabilities and Self-Organization | |
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| Pattern Formation in Nonlinear Optics | |
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| Overview of Pattern Formation in Photorefractive Media | |
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| Spotlight: KNbO[subscript 3]: Fe Single Feedback System | |
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| Controlling Pattern Formation | |
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| Summary and Outlook | |
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| Photorefractive Waveguides | |
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| Introduction | |
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| Fundamentals of Photorefractive Waveguides | |
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| Materials with Illmenite Structure | |
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| Materials with Perovscite Structure | |
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| Materials with Tungsten-Bronze Structure | |
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| Sillenites | |
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| Applications | |
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| Conclusions and Outlook | |
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| Photorefractive Solitons | |
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| Introduction | |
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| The Discovery of Solitons in Photorefractives | |
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| A Saturable Nonlinearity | |
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| Two-Dimensional Solitons | |
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| Temporal Effects and Quasi-Steady-State Dynamics | |
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| Various Photorefractive Mechanisms Supporting Self-Trapping | |
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| Alternative Photorefractive Materials | |
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| Soliton Interaction-Collisions | |
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| Vector and Composite Solitons | |
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| Incoherent Solitons: Self-trapping of Weakly-Correlated Wavepackets | |
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| Applications | |
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| New Ideas and Concluding Remarks | |
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| Acknowledgements | |
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| Thermal Fixing of Photoinduced Gratings | |
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| Introduction | |
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| The Thermal Fixing Technique | |
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| Mathematical Formulation of the Model | |
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| Experimental Aspects of Thermal Fixing | |
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| Fixing in Photorefractive Waveguides | |
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| Photorefractive Applications Using Thermal Fixing | |
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| Summary | |
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| Electrical Fixing of Photoinduced Gratings | |
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| Introduction | |
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| Electrical Properties | |
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| Domain Fixing Mechanisms | |
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| Fidelity of Fixed Holograms | |
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| Index | |