Broadband metamaterials in electromagnetics : technology and applications (eBook, 2017) [WorldCat.org]
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Broadband metamaterials in electromagnetics : technology and applications

Author: Douglas H Werner
Publisher: Singapore : Pan Stanford Publishing, 2017.
Edition/Format:   eBook : Document : EnglishView all editions and formats
Summary:
"The rapid development of technology based on metamaterials coupled with the recent introduction of the transformation optics technique provides an unprecedented ability for device designers to manipulate and control the behavior of electromagnetic wave phenomena. Many of the early metamaterial designs, such as negative index materials and electromagnetic bandgap surfaces, were limited to operation only over a very  Read more...
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Genre/Form: Electronic books
Additional Physical Format: Print version:
Material Type: Document, Internet resource
Document Type: Internet Resource, Computer File
All Authors / Contributors: Douglas H Werner
ISBN: 9781315364438 1315364433 9789814745697 9814745693 9781315340760 1315340763 9814745685 9789814745680 9781315321790 1315321793
OCLC Number: 994610235
Description: 1 online resource (xvi, 382 pages) : illustrations
Contents: Halftitle; Title; Copyright; Table of Contents; Preface; 1. Broadband Anisotropic Metamaterials for Antenna Applications; 1.1 Introduction; 1.2 MM Coatings for Monopole Bandwidth Extension; 1.2.1 Monopole with Anisotropic Material Coating; 1.2.2 Unit Cell Design and Full-wave Simulations; 1.2.3 Experimental Results; 1.2.4 C-Band Design; 1.3 Anisotropic MM Lenses for Directive Radiation; 1.3.1 Low-Profile AZIM Coating for Slot Antenna; 1.3.1.1 Dispersion of grounded AZIM slab; 1.3.1.2 Infinite TMz radiating source with realistic AZIM coating. 1.3.1.3 High-gain SIW-fed slot antenna with realistic AZIM coating1.3.2 Anisotropic MM Lens for Crossed-Dipole Antenna; 1.3.2.1 Configuration and unit cell design; 1.3.2.2 Numerical and experimental results; 1.3.3 Anisotropic MM Multibeam Antenna Lens; 1.3.3.1 Two-dimensional/three-dimensional AZIM lens concept and numerical results; 1.3.3.2 Realistic AZIM lens for monopole antenna; 1.4 AZIM Lens for Reconfigurable Beam Steering; 1.5 Conclusion; 2. Broadband Low-loss Metamaterial-Enabled Horn Antennas; 2.1 Introduction; 2.1.1 Horn Antennas as Reflector Feeds; 2.1.2 Soft and Hard Horn Antennas. 2.1.3 Metamaterial Horn Antennas2.2 Design and Modeling of Metamaterial Implementations for Soft and Hard Surfaces; 2.2.1 Plane Wave Model of Metasurfaces; 2.2.2 Equivalent Homogeneous Metamaterial Model; 2.2.3 Design Goals and Optimization Methods; 2.3 Metasurface Design Examples; 2.3.1 Canonical Examples; 2.3.2 Printed-Patch Balanced Hybrid Metasurface; 2.3.3 Wire-Grid Metasurface; 2.4 Octave-Bandwidth Single-Polarization Horn Antenna with Negligible Loss; 2.4.1 Application Background; 2.4.2 Modeling and Simulation; 2.4.3 Prototype and Measurements. 2.5 Dual-Polarization Ku-Band Metamaterial Horn2.5.1 Application Background; 2.5.2 Modeling and Simulation; 2.5.3 Prototype and Measurements; 2.6 Improved-Performance Horn Enabled by Inhomogeneous Metasurfaces; 2.6.1 Motivation and Rationale; 2.6.2 Effects of Parameter Variations on Metasurface Characteristics; 2.6.3 Metasurfaces in Cylindrical Waveguides; 2.6.4 Comparison of Metahorns with Homogeneous and Inhomogeneous Metasurfaces; 2.7 Summary and Conclusions; 3. Realization of Slow Wave Phenomena Using Coupled Transmission Lines and Their Application to Antennas and Vacuum Electronics. 3.1 Introduction3.2 Slow Wave Theory; 3.2.1 Periodic Structures; 3.2.2 Second-Order Dispersion; 3.2.3 Coupled Transmission Line Analysis; 3.2.3.1 Derivation; 3.2.3.2 Coupling of modes; 3.2.4 Higher-Order Dispersion Engineering; 3.2.4.1 Graphical analysis; 3.2.4.2 Realizations of higher-order dispersion; 3.3 Applications of Slow Waves; 3.3.1 Traveling Wave Tubes; 3.3.2 Antenna Miniaturization, Directivity, and Bandwidth Improvement; 3.3.3 Leaky-Wave Antenna; 4. Design Synthesis of Multiband and Broadband Gap Electromagnetic Metasurfaces; 4.1 Introduction.
Responsibility: edited by Douglas H. Werner.

Abstract:

"The rapid development of technology based on metamaterials coupled with the recent introduction of the transformation optics technique provides an unprecedented ability for device designers to manipulate and control the behavior of electromagnetic wave phenomena. Many of the early metamaterial designs, such as negative index materials and electromagnetic bandgap surfaces, were limited to operation only over a very narrow bandwidth. However, recent groundbreaking work reported by several international research groups on the development of broadband metamaterials has opened up the doors to an exciting frontier in the creation of new devices for applications ranging from radio frequencies to visible wavelengths. This book contains a collection of eight chapters that cover recent cutting-edge contributions to the theoretical, numerical, and experimental aspects of broadband metamaterials."--Provided by publisher.

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