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BL
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| Record Number
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861108
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| Main Entry
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Mencagli, Mario Junior
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| Title & Author
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Manipulation of surface waves through metasurfaces /\ Mario Junior Mencagli.
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| Publication Statement
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Cham, Switzerland :: Springer,, 2019.
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| Series Statement
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Springer theses,
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| Page. NO
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1 online resource (xix, 106 pages) :: illustrations (some color)
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| ISBN
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3030140334
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: 3030140342
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: 3030140350
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: 3030140369
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: 9783030140335
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: 9783030140342
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: 9783030140359
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: 9783030140366
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9783030140335
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| Notes
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"Doctoral thesis accepted by the University of Siena, Italy."
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| Bibliographies/Indexes
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Includes bibliographical references.
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| Contents
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Intro; Supervisor's Foreword; Parts of this thesis have been published in the following articles and chapters; Journal Paper; Book Chapter; Conference Proceedings; Acknowledgements; Contents; 1 Introduction; 1.1 Background on Electromagnetic Metasurfaces; 1.2 Motivation; 1.3 Thesis Outline; References; 2 Surface Wave Dispersion for Anisotropic Metasurfaces Constituted by Elliptical Patches; 2.1 Analytic Basis Functions; 2.1.1 Problem Geometry; 2.1.2 Circular Patches; 2.1.3 Elliptical Patches; 2.2 Spectral Analysis; 2.2.1 MoM Matrix Entries; 2.2.2 Anisotropic MTS Impedance
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2.2.3 Homogenized MTS-Impedance Approximation2.2.4 Dispersion Equation of the Dominant SW Mode; 2.3 Numerical Results; 2.4 Chapter Summary; References; 3 Closed-Form Representation of Metasurface Reactance and Isofrequency Dispersion Curve; 3.1 Dispersion Equation; 3.1.1 Equivalent Capacitance; 3.1.2 Closed Form Formulas for Quasi-static Capacitance; 3.1.3 Frequency (Phasings) Regions; 3.2 Low Frequency and Transition Regions; 3.2.1 Low Frequency Approximation; 3.2.2 Cardano's Transition Function; 3.2.3 Simple Non-uniform Approximation
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3.2.4 Identification of the Limits of the Frequency Regions3.3 FB Region Correction; 3.4 TE Dispersion Close to Its Cut-Off Frequency; 3.5 Comparison with Full-Wave Analysis; 3.6 Extension to Anisotropic MTS; 3.6.1 Approximation of the IDCs; 3.6.2 Phase and Group Velocities; 3.7 Numerical Results; 3.8 Chapter Summary; References; 4 Flat Optics for Surface Waves; 4.1 Flat Optics for Isotropic MTSs; 4.1.1 Eikonal Equation; 4.1.2 Ray Tracing and Phase Velocity; 4.1.3 Poynting Vector; 4.1.4 Transport of Energy Equation; 4.2 Flat Optics for Anisotropic MTSs; 4.2.1 Eikonal Equation
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4.2.2 Poynting Vector4.2.3 Ray Tracing and Ray Velocity; 4.2.4 Transport of Energy Equation; 4.3 Flat Transformation Optics; 4.3.1 Rays and Wavefronts; 4.3.2 Conformal and Quasi-conformal Mappings; 4.4 Comparison with Full-Wave Analysis; 4.5 Synthesis of Modulated IBC; 4.5.1 Luneburg and Maxwell's Fish-Eye Lens; 4.5.2 Modified Luneburg Lens; 4.5.3 Beam Bender; 4.5.4 Beam Splitter; 4.6 Chapter Summary; References; 5 Basic Properties of Checkerboard Metasurfaces; 5.1 Connected Patch Transmission Lines; 5.2 Experimental Results; 5.2.1 CBMS Transmission Lines; 5.2.2 CBMS Patch Antennas
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5.2.3 Preliminary Results for Optically Tunable CBMS5.3 Chapter Summary; References; 6 Conclusion; 6.1 Summary of Contributions; 6.2 Future Directions; References; Author Biography; Asymptotic Evaluation of Grounded Slab Green's Function; Derivation of the Validity Conditions for Homogenization of the MTS-Impedance; Solution of Third-Degree Algebraic Equation Relevant to Impenetrable Impedance of Isotropic MTS; MFE and LL Differential Geometry
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| Abstract
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This book presents innovative ideas and technical contributions in the area of metasurfaces and antenna technologies. On the one hand, it presents an effective method to analyze metasurfaces constituted by metallic texture with certain geometries. It shows how this method can be applied to the design of metasurface (MTS) antennas for deep space communications and other planar microwave devices. On the other hand, the book reports on a general methodology developed for analyzing flat devices realized by using modulated MTSs, which opens new design possibilities for a large number of microwave devices based on the manipulation of SWs. Finally, a novel approach of reconfigurability, which is based on a class of checkerboard MTS, is explored. All in all, this book covers important insights and significant results on the emerging topic of metasurfaces, from theoretical and computational aspects to experiments.
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| Subject
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Wave mechanics.
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| Subject
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Wave mechanics.
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| Dewey Classification
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530.12/4
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| LC Classification
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QC174.2
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