Interferences: fundamentals
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Plan du module
Course
Introduction
Wave description of light
Maxwell's formalism
Harmonic solutions of propagation equations
Superposition of two electromagnetic waves: theoretical basics
Notations
Resulting field from a superposition
The notion of coherence
Interference signal
Superposition of two plane waves
Superposition of two spherical waves
Temporal coherence
Introduction
Interferogram in polychromatic light
Coherence length
Examples
Spatial coherence
Introduction
Interferogram with an extended source
Evaluation of the optical path difference
Two types of interferometers
Illumination at an observation point
Examples
Conclusion
Case studies : interferences with perfectly coherent light
Introduction
Young's slit experiment with monochromatic light
Case of white light
Self-Check exercises
Exercice : Course content
Exercice : Young experiment
Exercice : Young experiment with white light
Exercice : Problem
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