Number 104, Septembre-Octobre 2020
|Page(s)||21 - 25|
|Published online||09 November 2020|
Reproducing the Fresnel-Arago experiment to illustrate physical optics
Aix Marseille Univ, CNRS, Centrale Marseille, Institut Fresnel, Marseille, France
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Is there a bright spot in the shadow of an opaque disk? Nearly 200 years ago, Augustin Fresnel and François Arago’s remarkable answer to this question validated the wave theory of light and inaugurated the modern theories of diffraction. Today, their renowned experiment can be easily reproduced using lasers and cameras. Far beyond its historical interest, the experiment is a versatile platform to illustrate the main concepts of optical physics, including diffraction, interference, speckle, and Fourier optics.
© The authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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