Component
École Nationale Supérieure d'Électrotechnique d'Électronique d'Informatique d'Hydraulique et des Télécommunications
Semester
Printemps
Objectives
Be able to physically analyze the interaction of a plane electromagnetic wave with an interface (dielectric or metallic)
Know the main properties of a plane wave
Understand what a mode in a waveguide refers to
Understand what the cutoff frequency of a mode refers to
Understand what dispersion refers to
Be able to calculate the power carried by a propagating mode in a waveguide
Description
I- Laws of classical electromagnetism
I-1- Concept of instantaneous electromagnetic fields
I-2- Maxwell's equations
I-3- Harmonic regime in electromagnetism
II- Electromagnetic propagation in free space
II-1- Electromagnetic field in free propagation
II-2- Group and phase velocities in free propagation
II-3- Application: interaction of a plane wave with a surface (metallic or dielectric)
III- Guided electromagnetic propagation
III-1- Electromagnetic field in guided propagation
III-2- Concept of propagating and evanescent modes
III-3- Dispersion phenomenon in electromagnetism
III-4- Group and phase velocities in guided propagation
III-5- Application: Calculation of the fundamental mode in a hollow rectangular metallic waveguide
Pre-requisites
Complex numbers - Differentiation and integration of functions of a real variable - Basic concepts of electricity and magnetism - Kirchhoff's laws (node law and loop law) and Ohm's law - Basic knowledge of analog electrical circuits.
