Propagation guidée

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    In brief

  • Code : N7EE09A


Know how to physically interpret the interaction of plane electromagnetic waves with material interfaces

 – Know how to write and interpret the energy conservation in presence of electromagnetic fields 

– Know the main properties of plane electromagnetic waves

– Know what the Bewster angle stands for 

– Know what a mode means in waveguides

– Know what the cut-off frequencies of waveguides mean

– Know what the dispersion phenomenon is

– Know how to determine the electromagnetic power transmitted in waveguides

– Know how to write and interpret the energy conservation in waveguides



I- Reminder: Basic electromagnetic theory

I-1- Instantaneous electromagnetic fields

I-2- Maxwell’s equations

I-3- Time-harmonic electromagnetic fields

I-4- Electromagnetic energy

II- Plane electromagnetic waves

                II-1- Modes in free space    

II-2- Key properties of plane electromagnetic waves

II-3- Energy conservation law

II-4- Group and phase velocities

II-5- Example: oblique incidence of electromagnetic plane waves upon a stationary dielectric interface 


III- Field theory of guided electromagnetic waves

                III-1- Propagating and evanescent modes in waveguides 

III-2- Dispersion in waveguides

III-3- Electromagnetic fields of modes in waveguides 

III-4- Energy conservation law

III-5- Group and phase velocities in waveguides

III-6- Example: lossless rectangular hollow waveguides with metallic and magnetic walls



The National Institute of Electrical engineering, Electronics, Computer science,Fluid mechanics & Telecommunications and Networks

2, rue Charles Camichel - BP 7122
31071 Toulouse Cedex 7, France

+33 (0)5 34 32 20 00


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