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In Electromagnetic Metasurfaces: Theory and Applications, distinguished researchers and authors Karim Achouri and Christophe Caloz deliver an introduction to the fundamentals and applications of metasurfaces and an insightful analysis of recent and future developments in the field. The book describes the precursors and history of metasurfaces before continuing on to an exploration of the physical insights that can be gleaned from the material parameters of the metasurface.
You'll learn how to compute the fields scattered by a metasurface with known material parameters being illuminated by an arbitrary incident field, as well as how to realize a practical metasurface and relate its material parameters to its physical structures. The authors provide examples to illustrate all the concepts discussed in the book to improve and simplify reader understanding.
Electromagnetic Metasurfaces concludes with an incisive discussion of the likely future directions and research opportunities in the field.
Readers will also benefit from the inclusion of:
* A thorough introduction to metamaterials, the concept of metasurfaces, and metasurface precursors
* An exploration of electromagnetic modeling and theory, including metasurfaces as zero-thickness sheets and bianisotropic susceptibility tensors
* A practical discussion of susceptibility synthesis, including four-parameters synthesis, more than four-parameters synthesis, and the addition of susceptibility components
* A concise treatment of scattered-field analysis, including approximate analytical methods, and finite-difference frequency-domain techniques
Perfect for researchers in metamaterial sciences and engineers working with microwave, THz, and optical technologies, Electromagnetic Metasurfaces: Theory and Applications will also earn a place in the libraries of graduate and undergraduate students in physics and electrical engineering.
In Electromagnetic Metasurfaces: Theory and Applications, distinguished researchers and authors Karim Achouri and Christophe Caloz deliver an introduction to the fundamentals and applications of metasurfaces and an insightful analysis of recent and future developments in the field. The book describes the precursors and history of metasurfaces before continuing on to an exploration of the physical insights that can be gleaned from the material parameters of the metasurface.
You'll learn how to compute the fields scattered by a metasurface with known material parameters being illuminated by an arbitrary incident field, as well as how to realize a practical metasurface and relate its material parameters to its physical structures. The authors provide examples to illustrate all the concepts discussed in the book to improve and simplify reader understanding.
Electromagnetic Metasurfaces concludes with an incisive discussion of the likely future directions and research opportunities in the field.
Readers will also benefit from the inclusion of:
* A thorough introduction to metamaterials, the concept of metasurfaces, and metasurface precursors
* An exploration of electromagnetic modeling and theory, including metasurfaces as zero-thickness sheets and bianisotropic susceptibility tensors
* A practical discussion of susceptibility synthesis, including four-parameters synthesis, more than four-parameters synthesis, and the addition of susceptibility components
* A concise treatment of scattered-field analysis, including approximate analytical methods, and finite-difference frequency-domain techniques
Perfect for researchers in metamaterial sciences and engineers working with microwave, THz, and optical technologies, Electromagnetic Metasurfaces: Theory and Applications will also earn a place in the libraries of graduate and undergraduate students in physics and electrical engineering.
KARIM ACHOURI, PhD, is a Postdoctoral Fellow in the Laboratory of Nanophotonics and Metrology at École Polytechnique de Montréal. He obtained his PhD from the same institution in electrical engineering in 2017. His research focus is on metamaterials, metasurfaces, photonics and optical systems.
CHRISTOPHE CALOZ, PhD, is Full Professor at École Polytechnique de Montréal, the holder of a Canada Research Chair Tier-I and Head of the Electromagnetics Research Group. He has authored or co-authored over 700 technical conference, letter, and journal papers, as well as 13 books and book chapters.
1 Introduction 1
1.1 Metamaterials 1
1.2 Emergence of Metasurfaces 4
2 Electromagnetic Properties of Materials 9
2.1 Bianisotropic Constitutive Relations 10
2.2 Temporal Dispersion 14
2.2.1 Causality and Kramers-Kronig Relations 15
2.2.2 Lorentz Oscillator Model 17
2.3 Spatial Dispersion 23
2.4 Lorentz Reciprocity Theorem 27
2.5 Poynting Theorem 32
2.6 Energy Conservation in Lossless-Gainless Systems 38
2.7 Classification of Bianisotropic Media 41
3 Metasurface Modeling 43
3.1 Effective Homogeneity 44
3.1.1 The Homogeneity Paradox 44
3.1.2 Theory of Periodic Structures 44
3.1.3 Scattering from Gratings 46
3.1.4 Homogenization 47
3.2 Effective Zero Thickness 50
3.3 Sheet Boundary Conditions 53
3.3.1 Impedance Modeling 54
3.3.2 Polarizability Modeling 57
3.3.3 Susceptibility Modeling 60
3.3.4 Comparisons between the Models 66
4 Susceptibility Synthesis 69
4.1 Linear Time-Invariant Metasurfaces 69
4.1.1 Basic Assumptions 69
4.1.2 Birefringent Metasurfaces 76
4.1.3 Multiple-Transformation Metasurfaces 78
4.1.4 Relations between Susceptibilities and Scattering Parameters 81
4.1.5 Surface-Wave Eigenvalue Problem 92
4.1.5.1 Formulation of the Problem 92
4.1.5.2 Dispersion in a Symmetric Environments 96
4.1.6 Metasurfaces with Normal Polarizations 100
4.1.7 Illustrative Examples 104
4.1.7.1 Polarization Rotation 104
4.1.7.2 Multiple Nonreciprocal Transformations 109
4.1.7.3 Angle-Dependent Transformations 112
4.2 Time-Varying Metasurfaces 117
4.2.1 Formulation of the Problem 117
4.2.2 Harmonic-Generation Time-Varying Metasurface 120
4.3 Nonlinear Metasurfaces 121
4.3.1 Second-Order Nonlinearity 122
4.3.1.1 Frequency-Domain Approach 123
4.3.1.2 Time-Domain Approach 128
5 Scattered Field Computation 133
5.1 Fourier-Based Propagation Method 134
5.2 Finite-Difference Frequency-Domain Method 141
5.3 Finite-Difference Time-Domain Method 147
5.3.1 Time-Varying Dispersionless Metasurfaces 150
5.3.2 Time-Varying Dispersive Metasurfaces 156
5.4 Spectral-Domain Integral Equation Method 164
6 Practical Implementation 173
6.1 General Implementation Procedure 174
6.2 Basic Strategies for Full-Phase Coverage 178
6.2.1 Linear Polarization 179
6.2.1.1 Metallic Scattering Particles 179
6.2.1.2 Dielectric Scattering Particles 188
6.2.2 Circular Polarization 194
6.3 Full-Phase Coverage with Perfect Matching 198
6.4 Effects of Symmetry Breaking 207
6.4.1 Angular Scattering 208
6.4.2 Polarization Conversion 215
7 Applications 223
7.1 Angle-Independent Transformation 224
7.2 Perfect Matching 229
7.3 Generalized Refraction 234
7.3.1 Limitations of Conventional Synthesis Methods 234
7.3.2 Perfect Refraction using Bianisotropy 239
8 Conclusions 245
9 Appendix 249
9.1 Approximation of Average Fields at an Interface 249
9.2 Fields Radiated by a Sheet of Dipole Moments 252
9.3 Relations between Susceptibilities and Polarizabilities 255
Bibliography 260
| Erscheinungsjahr: | 2021 |
|---|---|
| Fachbereich: | Nachrichtentechnik |
| Genre: | Technik |
| Rubrik: | Naturwissenschaften & Technik |
| Medium: | Buch |
| Seiten: | 224 |
| Inhalt: | 224 S. |
| ISBN-13: | 9781119525165 |
| ISBN-10: | 1119525160 |
| Sprache: | Englisch |
| Einband: | Gebunden |
| Autor: |
Achouri, Karim
Caloz, Christophe |
| Hersteller: | Turner Publishing Company |
| Maße: | 235 x 157 x 16 mm |
| Von/Mit: | Karim Achouri (u. a.) |
| Erscheinungsdatum: | 11.05.2021 |
| Gewicht: | 0,467 kg |
KARIM ACHOURI, PhD, is a Postdoctoral Fellow in the Laboratory of Nanophotonics and Metrology at École Polytechnique de Montréal. He obtained his PhD from the same institution in electrical engineering in 2017. His research focus is on metamaterials, metasurfaces, photonics and optical systems.
CHRISTOPHE CALOZ, PhD, is Full Professor at École Polytechnique de Montréal, the holder of a Canada Research Chair Tier-I and Head of the Electromagnetics Research Group. He has authored or co-authored over 700 technical conference, letter, and journal papers, as well as 13 books and book chapters.
1 Introduction 1
1.1 Metamaterials 1
1.2 Emergence of Metasurfaces 4
2 Electromagnetic Properties of Materials 9
2.1 Bianisotropic Constitutive Relations 10
2.2 Temporal Dispersion 14
2.2.1 Causality and Kramers-Kronig Relations 15
2.2.2 Lorentz Oscillator Model 17
2.3 Spatial Dispersion 23
2.4 Lorentz Reciprocity Theorem 27
2.5 Poynting Theorem 32
2.6 Energy Conservation in Lossless-Gainless Systems 38
2.7 Classification of Bianisotropic Media 41
3 Metasurface Modeling 43
3.1 Effective Homogeneity 44
3.1.1 The Homogeneity Paradox 44
3.1.2 Theory of Periodic Structures 44
3.1.3 Scattering from Gratings 46
3.1.4 Homogenization 47
3.2 Effective Zero Thickness 50
3.3 Sheet Boundary Conditions 53
3.3.1 Impedance Modeling 54
3.3.2 Polarizability Modeling 57
3.3.3 Susceptibility Modeling 60
3.3.4 Comparisons between the Models 66
4 Susceptibility Synthesis 69
4.1 Linear Time-Invariant Metasurfaces 69
4.1.1 Basic Assumptions 69
4.1.2 Birefringent Metasurfaces 76
4.1.3 Multiple-Transformation Metasurfaces 78
4.1.4 Relations between Susceptibilities and Scattering Parameters 81
4.1.5 Surface-Wave Eigenvalue Problem 92
4.1.5.1 Formulation of the Problem 92
4.1.5.2 Dispersion in a Symmetric Environments 96
4.1.6 Metasurfaces with Normal Polarizations 100
4.1.7 Illustrative Examples 104
4.1.7.1 Polarization Rotation 104
4.1.7.2 Multiple Nonreciprocal Transformations 109
4.1.7.3 Angle-Dependent Transformations 112
4.2 Time-Varying Metasurfaces 117
4.2.1 Formulation of the Problem 117
4.2.2 Harmonic-Generation Time-Varying Metasurface 120
4.3 Nonlinear Metasurfaces 121
4.3.1 Second-Order Nonlinearity 122
4.3.1.1 Frequency-Domain Approach 123
4.3.1.2 Time-Domain Approach 128
5 Scattered Field Computation 133
5.1 Fourier-Based Propagation Method 134
5.2 Finite-Difference Frequency-Domain Method 141
5.3 Finite-Difference Time-Domain Method 147
5.3.1 Time-Varying Dispersionless Metasurfaces 150
5.3.2 Time-Varying Dispersive Metasurfaces 156
5.4 Spectral-Domain Integral Equation Method 164
6 Practical Implementation 173
6.1 General Implementation Procedure 174
6.2 Basic Strategies for Full-Phase Coverage 178
6.2.1 Linear Polarization 179
6.2.1.1 Metallic Scattering Particles 179
6.2.1.2 Dielectric Scattering Particles 188
6.2.2 Circular Polarization 194
6.3 Full-Phase Coverage with Perfect Matching 198
6.4 Effects of Symmetry Breaking 207
6.4.1 Angular Scattering 208
6.4.2 Polarization Conversion 215
7 Applications 223
7.1 Angle-Independent Transformation 224
7.2 Perfect Matching 229
7.3 Generalized Refraction 234
7.3.1 Limitations of Conventional Synthesis Methods 234
7.3.2 Perfect Refraction using Bianisotropy 239
8 Conclusions 245
9 Appendix 249
9.1 Approximation of Average Fields at an Interface 249
9.2 Fields Radiated by a Sheet of Dipole Moments 252
9.3 Relations between Susceptibilities and Polarizabilities 255
Bibliography 260
| Erscheinungsjahr: | 2021 |
|---|---|
| Fachbereich: | Nachrichtentechnik |
| Genre: | Technik |
| Rubrik: | Naturwissenschaften & Technik |
| Medium: | Buch |
| Seiten: | 224 |
| Inhalt: | 224 S. |
| ISBN-13: | 9781119525165 |
| ISBN-10: | 1119525160 |
| Sprache: | Englisch |
| Einband: | Gebunden |
| Autor: |
Achouri, Karim
Caloz, Christophe |
| Hersteller: | Turner Publishing Company |
| Maße: | 235 x 157 x 16 mm |
| Von/Mit: | Karim Achouri (u. a.) |
| Erscheinungsdatum: | 11.05.2021 |
| Gewicht: | 0,467 kg |
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