Table of Contents
1 Cover
8 Preface
9 Part I: Fundamentals and Basics of Electromagnetic Vortices 1 Fundamentals of Orbital Angular Momentum Beams 1.1 Electromagnetic Fields Carry Orbital Angular Momentum 1.2 OAM Beams; Properties and Analogies with Conventional Beams 1.3 Communicating Using OAM: Potentials and Challenges 1.4 OAM Generation Methods 1.5 Summary and Perspectives Appendix 1.A OAM Far-field Calculation References 2 OAM Radio – Physical Foundations and Applications of Electromagnetic Orbital Angular Momentum in Radio Science and Technology 2.1 Introduction 2.2 Physics 2.3 Implementation Appendix A References
10 Part II: Physical Wave Phenomena of Electromagnetic Vortices 3 Generation of Microwave Vortex Beams Using Metasurfaces 3.1 Introduction 3.2 Metasurfaces for Vortex‐beam Generation 3.3 Conclusion Acknowledgments References 4 Application of Transformation Optics and 3D Printing Technology in Vortex Wave Generation 4.1 Introduction 4.2 Theoretical Basis of Transformation Optics and 3D Printing 4.3 Several Applications of Transformation Optics in Vortex Waves 4.4 Conclusions References 5 Millimeter‐Wave Transmit‐Arrays for High‐Capacity and Wideband Generation of Scalar and Vector Vortex Beams 5.1 Introduction 5.2 Vector Vortex Beams and Hybrid‐Order PSs 5.3 Millimeter‐Wave Transmit‐Array Unit Cell Designs 5.4 Millimeter‐Wave Transmit‐Arrays for Vortex Beam Multiplexing 5.5 Conclusion Acknowledgment References 6 Twisting Light with Metamaterials 6.1 Introduction 6.2 OAM Beams on the Nanoscale 6.3 Active OAM Sources 6.4 OAM Light in Engineered Nonlinear Colloidal Systems 6.5 Conclusion References 7 Generation of Optical Vortex Beams 7.1 Introduction 7.2 Basic Theory of Optical Vortex 7.3 Generation of Optical Vortex 7.4 Generation of Novel Vortex Beams 7.5 Conclusion References 8 Orbital Angular Momentum Generation, Detection, and Angular Momentum Conservation with Second Harmonic Generation 8.1 Orbital Angular Momentum Generation and Detection 8.2 AM Conservation: Nonlinear Optics 8.3 Conclusion References
11 Part III: Engineering Applications of Electromagnetic Vortices 9 Orbital Angular Momentum Based Structured Radio Beams and its Applications1 9.1 Introduction 9.2 PS–OAM Based Structured Beams 9.3 Antennas for Structured Beams 9.4 Potential Applications