Spatial distribution of light intensity
Towards digital Fourier optics - From the diffraction to the Fourier's space
Quizzed article REF: E4150 V1
Spatial distribution of light intensity
Towards digital Fourier optics - From the diffraction to the Fourier's space

Authors : Christophe LABBÉ, Benoît PLANCOULAINE

Publication date: October 10, 2018, Review date: September 21, 2022 | Lire en français

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1. Spatial distribution of light intensity

Section objective

To deduce the light intensity at any point in space, we need to know the total amplitude of the electric field E→ . The aim here is to detail the reasoning that simplifies the calculation of this amplitude, and which forms the basis of all applications in Fourier optics.

1.1 Total intensity and amplitude of the light wave

Light propagates thanks to variations in electromagnetic potential, which create an electric field E

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