ABOUT THE COURSE:The course provides a detailed introduction to the metamaterial technology in microwave and optical domain by covering its fundamentals and an overview of the latest advancements with examples. The basics and applied aspects of metamaterials i.e. controlling, guiding, and manipulating electromagnetic radiation will be discussed. The course will first cover the electromagnetic properties of different materials and will introduce the metamaterial concept. Later on, the course will focus on different types of metamaterials such as electric metamaterials, magnetic metamaterials, negative-index metamaterials, chiral and hyperbolic metamaterials, etc. Finally, the course will cover metamaterials for electromagnetic cloaking and tunable devices, followed by different techniques for fabrication and characterization of these metamaterials.INTENDED AUDIENCE: B.Tech (Final year), M.Tech, M.Sc, and PhD students & Members of R&D in Electrical Engineering, Physics, Nanotechnology and Material EngineeringPREREQUISITES: Basic electromagnetic theory in undergraduate curriculum.INDUSTRY SUPPORT: Intel, IBM, Lumerical, Thorlabs, Photon Design, Comsol. Tejas Networks, DRDO, ISRO, DAE labs, and any Opto-electronics based industries.

Syllabus

Week 1: Introduction

Introduction to Microwave and Optical Metamaterials
Classifications of Metamaterials
Overview of Metamaterials Technology

Week 2:Fundamentals of Metamaterials-I

Basic Electromagnetic theory
Electromagnetic properties of material
Electromagnetic Waves in materials: Band Theory Approach

Week 3:Fundamentals of Metamaterials-II

Fresnel equations
Absorption, dispersion, scattering, and polarization of electromagnetic waves
Concept behind Metamaterials

Week 4:Theory for Metamaterials Design

Optical properties of metals and dielectrics
Effective medium theory-I
Effective medium theory-II

Week 5:Electric Metamaterials

Metal-dielectric composites and periodic array of metallic wires
Inhomogeneous, uniaxial, bi-axial, and chiral metamaterials
Applications of resonating and non-resonating metamaterials

Week 6:Magnetic Metamaterials

Split-Ring resonators;
Optical magnetic elements and equivalent circuit modelling
Examples and applications of magnetic metamaterials

Week 7:Metamaterials for Microwave Antennas

Modelling of Microwave devices using metamaterials;
Far-field focusing with one-layer composites/metamaterials
Microwave antennas with two-layer wire composites/metamaterials

Week 8:Negative-Index Metamaterials

Reversed phenomena in negative-index media
General recipe for negative-index metamaterials construction and alternative approaches
Super Resolution with Meta-Lens

Week 9:Hyperbolic Metamaterials