Jaime Frejlich

Photorefractive Materials for Dynamic Optical Recording (eBook, ePUB)

Fundamentals, Characterization, and Technology

• Format: ePub

Produktbeschreibung

A comprehensive and up-to-date reference on holographic recording Photorefractive Materials for Dynamic Optical Recording offers a comprehensive overview of the physics, technology, and characterization of photorefractive materials that are used for optical recording. The author, a noted expert on the topic, offers an exploration of both transient and permanent holographic information storage methods. The text is written in clear terms with coherent explanations of the different methods that allows for easy access to the most appropriate method for a specific need. The book provides an analysis of the fundamental properties of the materials and explores the dynamic recording of a spatial electric charge distribution and the associated spatial electric field distribution. The text also includes information on the characterization of photorefractive materials using holographic and nonholographic optical methods and electrical techniques, reporting a large number of actual experimental results on a variety of materials. This important resource: * Offers an in-depth source of information on the physics and technology of all relevant holographic recording methods * Contains text written by a pioneer in the field--Jaime Frejlich's research defined the field of dynamic holographic recording * Presents a one-stop resource that covers all phenomena and methods * Includes a review of the practical applications of the technology Written for materials scientists, solid state physicists, optical physicists, physicists in industry, and engineering scientists, Photorefractive Materials for Dynamic Optical Recording offers a comprehensive resource on the topic from the groundbreaking expert in the field.

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Produktdetails

• Verlag: Wiley
• Seitenzahl: 352
• Erscheinungstermin: 19. Februar 2020
• Englisch
• ISBN-13: 9781119563761
• Artikelnr.: 58820696

Autorenporträt

JAIME FREJLICH, Ph.D., received his PhD in Physics at Pierre and Marie Curie University in Paris, France, in 1977. He then started working as an Assistant Professor at "Gleb Wataghin" Institute of Physics at State University of Campinas, Sao Paulo State, Brazil, and retired as a Full Professor in 2016. He passed away in October 2019 after preparing this book. His research interests were in photorefractive materials, their effects, processes, and applications.

Inhaltsangabe

List of Figures xi

List of Tables xxxiii

Preface xxxv

Acknowledgments xxxvii

Part I Fundamentals 1

Introduction 3

1 Electro-Optic Effect 5

1.1 Light Propagation in Crystals 5

1.1.1 Wave Propagation in Anisotropic Media 5

1.1.2 General Wave Equation 6

1.1.3 Index Ellipsoid 6

1.2 Tensorial Analysis 8

1.3 Electro-Optic Effect 8

1.4 Perovskite Crystals 11

1.5 Sillenite Crystals 11

1.5.1 Index Ellipsoid 11

1.5.1.1 Index Ellipsoid with Applied Electric Field 13

1.5.2 Other Cubic Noncentrosymmetric Crystals 15

1.5.3 Lithium Niobate 15

1.5.4 KDP-(KH2PO4) 16

1.5.5 Bismuth Tellurium Oxide-Bi2TeO5 (BTeO) 17

1.6 Concluding Remarks 17

2 Photoactive Centers and Photoconductivity 19

2.1 Photoactive Centers: Deep and Shallow Traps 20

2.1.1 Cadmium Telluride 21

2.1.2 Sillenite-Type Crystals 22

2.1.2.1 Doped Sillenites 25

2.1.3 Lithium Niobate 28

2.1.4 Bismuth Telluride Oxide: Bi2TeO5 28

2.2 Luminescence 28

2.3 Photoconductivity 29

2.3.1 Localized States: Traps and Recombination Centers 29

2.3.2 Theoretical Models 32

2.3.2.1 One-Center Model 35

2.3.2.2 Two-Center/One-Charge Carrier Model 37

2.3.2.3 Dark Conductivity and Dopants 40

2.4 Photovoltaic Effect 40

2.4.1 Photovoltaic Crystals 41

2.4.1.1 Lithium Niobate and Other Ferroelectric Crystals 41

2.4.1.2 Some Photovoltaic Nonferroelectric Materials 41

2.4.2 Light Polarization-Dependent Photovoltaic Effect 43

2.5 Nonlinear Photovoltaic Effect 44

2.5.1 Light-Induced Absorption and Nonlinear Photovoltaic Effects 46

2.5.2 Deep and Shallow Centers 47

2.6 Light-Induced Absorption or Photochromic Effect 48

2.6.1 Transmittance with Light-Induced Absorption 51

2.7 Dember or Light-Induced Schottky Effect 51

2.7.1 Dember and Photovoltaic Effects 54

Part II Holographic Recording 55

Introduction 56

3 Recording a Space-Charge Electric Field 57

3.1 Index-of-Refraction Modulation 60

3.2 General Formulation 63

3.2.1 Rate Equations 64

3.2.2 Solution for Steady-State 64

3.3 First Spatial Harmonic Approximation 66

3.3.1 Steady-State Stationary Process 68

3.3.1.1 Diffraction Efficiency 69

3.3.1.2 Hologram Phase Shift 70

3.3.2 Time-Evolution Process: Constant Modulation 70

3.4 Steady-State Nonstationary Process: Running Holograms 72

3.4.1 Running Holograms with Hole-Electron Competition 76

3.4.1.1 Mathematical Model 78

3.5 Photovoltaic Materials 84

3.5.1 Uniform Illumination: N/ x = 0 84

3.5.2 Interference Pattern of Light 85

3.5.2.1 Influence of Donor Density 86

4 Volume Hologram with Wave Mixing 89

4.1 Coupled Wave Theory: Fixed Grating 89

4.1.1 Diffraction Efficiency 91

4.1.2 Out of Bragg Condition 91

4.2 Dynamic Coupled Wave Theory 92

4.2.1 Combined Phase-Amplitude Stationary Gratings 92

4.2.1.1 Fundamental Properties 94

4.2.1.2 Irradiance 95

4.2.2 Pure Phase Grating 96

4.2.2.1 Time Evolution 96

4.2.2.2 Stationary Hologram 100

4.2.2.3 Steady-State Nonstationary Hologram with Wave-Mixing and Bulk Absorption 106

4.2.2.4 Gain and Stability in Two-Wave Mixing 110

4.3 Phase Modulation 115
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