Preface

1 Concepts from metamaterials to metadevices

1.1 Rationale for metamaterials exploration

1.2 Classification of metamaterials

1.3 Evolution of metamaterials

1.4 Emerging functional metadevices

1.4.1 Reconfigurable and tunable metadevices

1.4.2 Electro-optical metadevices

1.4.3 Liquid-crystal metadevices

1.4.4 Phase-change metadevices

1.4.5 Superconducting metadevices

1.4.6 Ultrafast photonic metadevices

1.4.7 Nonlinear metadevices with varactors

1.4.9 Acoustic metadevices

2 Design and fabrication of metamaterials and metadevices

2.1 Common design Approaches for metamaterials

2.1.1 Resonant approach

2.1.2 Transmission line Approach

2.1.3 Hybrid Approach

2.2 General tuning methods for metadevices

2.3 Fabrication technology

2.3.1 Photolithography

2.3.2 Shadow mask lithography

2.3.3 Soft lithography

2.3.4 Electron beam lithography

2.3.5 3D metamaterial fabrication techniques

2.4 Tuning techniques

2.4.1 Mechanical tuning

2.4.2 Electromechanical displacements

2.4.3 Lattice displacement

2.4.4 Thermal stimulation

2.4.5 Material tuning

3 Electromagnetic metamaterials and metadevices

3.1 Fundamental theory of electromagnetic metamaterials

3.2 Single negative metamaterials

3.2.1 Metamaterials with negative effective permittivity in the microwave regime

3.2.2 Metamaterials with negative effective permeability in the microwave regime

3.3 Double Negative Metamaterials

3.4 Zero index metamaterials

3.5.1 Types of EBG structures

3.5.2 Numerical modeling of EBG

3.5.3 EBG applications

3.6 Bi-isotropic and bi-anisotropic metamaterials

3.7 Microwave metamaterial-inspired metadevices

4 Terahertz metamaterials and metadevices

4.1 Introduction

4.2 Passive-type terahertz metamaterials

4.2.1 Terahertz metamaterials with electric responses

4.2.2 Terahertz metamaterials with magnetic responses

4.2.3 Terahertz metamaterials with negative refractive indices

4.2.4 Broadband terahertz metamaterials

4.3 Active-type terahertz metamaterials

4.3.1 Electrically tunable THz metamaterials

4.3.2 Optically tunable THz metamaterials

4.3.3 Mechanically tunable THz metamaterials

4.4 Flexible THz metamaterial sensors

5 Photonic metamaterials and metadevices

5.1 Introduction

5.2 Photonic crystals

5.2.1 A historical account

5.2.2 Construction of photonic crystals

5.2.3 Applications of photonic crystals

5.3 Metamaterials designed through transformation optics

5.3.1 Metamaterials mimicking celestial mechanics

5.3.3 Battlefield applications

5.4 Hyperbolic metamaterials

5.4.1 Hyperbolic media in retrospect

5.4.2 Design and building materials

5.4.3 Photonic hypercrystals

5.4.4 Applications of hyperbolic metamaterials

5.4.4.1 High-resolution imaging and lithography

5.4.4.2 Spontaneous emission engineering

5.4.4.3 Thermal emission engineering

6 Chiral metamaterials and metadevices

6.1 Historical perspective

6.2 Chirality parameter and ellipticity

6.3.1 Chiral metamaterials with negative refractive index

6.3.2 3D chiral metamaterials

6.3.3 Self-assembled chiral metamaterials

6.3.4 Gyroid metamaterials

6.3.5 Nonlinear chiral metamaterials

6.4 Chiroptical effects

6.4.1. Extrinsic chiral