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E-grāmata: Transformation Optics-based Antennas

(Associate Professor, University of Paris Ouest, France), (Université Paris-Sud 11, Orsay), (Professor, University of Paris 10, France), (Candidate, Université Paris-Sud 11, Orsay)
  • Formāts: EPUB+DRM
  • Izdošanas datums: 25-Jun-2016
  • Izdevniecība: ISTE Press Ltd - Elsevier Inc
  • Valoda: eng
  • ISBN-13: 9780081017715
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  • Formāts: EPUB+DRM
  • Izdošanas datums: 25-Jun-2016
  • Izdevniecība: ISTE Press Ltd - Elsevier Inc
  • Valoda: eng
  • ISBN-13: 9780081017715
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The book is organized in two chapters after an introduction part. The introduction presents the basic principles of the transformation optics concept. Two types of transformation are presented: coordinate transformation and space transformation. Implementations using metamaterials are also discussed. Chapter 1 focuses on coordinate transformation to design devices capable of modifying the electromagnetic appearance of a radiating source. Transformation of a directive radiation pattern into an isotropic one and vice-versa through a space stretching and compression, respectively, and the possibility to create multiple beams are studied. Chapter 2 deals with devices designed using space transformation concept. Quasi-conformal transformation optics (QCTO) is applied for the design of lenses either to compensate for the phase shift created by the conformation of an array of sources or to steer a beam to an off-normal direction. Materials are engineered through 3D printing and prototypes presenting a variation in electromagnetic parameters are fabricated and tested to validate the proposed lenses.
  • Focuses firstly on the theoretical tools defining transformation optics concept
  • Address the origin of the concept by analyzing Fermat’s principle
  • Details the basic approaches and the methods to design practical applications of transformation optics concepts

Papildus informācija

Presents theoretical concepts and practical methods to implement transformation optics based devices, which open the way to new types of electromagnetic applications
Preface vii
Introduction xi
Chapter 1 Transformation Optics Concept: Definition and Tools
1(34)
1.1 State of the art on metamaterials
1(10)
1.2 Transformation optics
11(20)
1.2.1 Coordinate transformation
15(8)
1.2.2 Space transformation
23(8)
1.3 Metamaterial engineering
31(2)
1.3.1 Electric resonators
32(1)
1.3.2 Magnetic resonators
32(1)
1.3.3 All-dielectric material
33(1)
1.4 Conclusion
33(2)
Chapter 2 Coordinate Transformation Concept: Transformation of Electromagnetic Sources
35(30)
2.1 Introduction
35(1)
2.2 Isotropic antenna: transforming directive into isotropic pattern
36(11)
2.2.1 Theoretical formulations and numerical simulations
36(5)
2.2.2 3D design and implementation using metamaterials
41(4)
2.2.3 Experimental validation of fabricated isotropic antenna
45(2)
2.3 Miniaturization of electromagnetic sources
47(11)
2.3.1 Theoretical formulations
49(5)
2.3.2 Numerical simulations
54(4)
2.4 Creation of multiple beams
58(6)
2.4.1 Theoretical formulations
59(3)
2.4.2 Numerical validation
62(2)
2.5 Conclusion
64(1)
Chapter 3 Space Transformation Concept: Controlling the Path of Electromagnetic Waves
65(20)
3.1 Introduction
65(1)
3.2 In-phase emission restoring lens
66(11)
3.2.1 Theoretical formulations and numerical simulations
67(4)
3.2.2 3D design, implementation and full-wave simulations
71(5)
3.2.3 Experimental validation of fabricated in-phase emission restoring lens
76(1)
3.3 Beam steering lens
77(7)
3.3.1 Theoretical formulations and numerical simulations
77(4)
3.3.2 3D design, implementation and full-wave simulations
81(2)
3.3.3 Experimental validation of fabricated beam steering lens
83(1)
3.4 Conclusion
84(1)
Conclusion 85(4)
Bibliography 89(12)
Index 101
Nawaz received the Ph.D. degree from the University of Nantes (FR) in 2005. His Ph.D. research works dealt with the applications of split ring resonators (SRRs) to microwave devices and antennas. He is an Associate Professor at the University of Paris Ouest and carries his research activities at the IEF. His current research interests are in the areas of microwave and applications of periodic structures, complex media, metamaterials and metasurfaces, in the analysis of integrated planar and conformal circuits and antennas. He is also involved in the design of microwaves devices based on the powerful concept of transformation optics. He has published more than 50 papers in scientific journals and holds 1 patent on a metamaterial-based antenna. Dr. Burokur has been the recipient of the Young Scientist Award, presented by the Union Radio-Scientifique Internationale (URSI) Commission B, in 2005. André de LUSTRAC received the Ph.D. degree in Electrical Engineering in the microwave domain from the Institut dÉlectronique Fondamentale (IEF) University of Paris Sud on Josephson logic devices in 1986. From 1989 to 1992 he was an assistant professor at the Institute of Technology of Cachan, France. He is currently full professor at the University of Paris 10, France. From 2002 to 2007 he was the director of the SITEC department of the University of Paris 10. He has published more than 100 papers in journals and international conferences in the areas of the applications of the superconducting Josephson junctions in digital circuits, the simulation methods of high frequency III-V transistors (HEMT) and quantum circuits, and last but not least, on photonic band gap materials and metamaterials in the microwave and optical domains. He is actually the Head of the Institut dElectronique Fondamentale, where he explores the physics and the applications of these materials in telecoms and aeronautics. From 2006 to 2012, he has been a scientific adviser of the General Direction of Research and Innovation of the FrenchMinistry of Research and Higher Education. Jianjia has a master of Telecommunication Engineering obtained in 2012 in Politecnico di Torino, Italy. He joined the team in 2013 as a PhD student. His thesis subject is Novel antenna design concepts based on transformation optics”, dealing with Antennas, Transformation Optics and Metamaterials. Paul-Henri Tichit works at Institut dElectronique Fondamentale, CNRS, University Paris Sud, University Paris-Saclay, France.