Reproducing Fresnel-Arago historical experiment: a visual illustration of the main concepts of physical optics.
2020
Many concepts of physical optics can be visually illustrated on a relatively simple optical setup in a table-top format, not requiring any very specific equipment. Diffraction, interferences, speckle, image formation, Fourier optics, strioscopy are among the many themes to be shown using the demonstration system described here. This short letter describes how to reproduce the setup and prepare the samples. It also gives a brief description of the experiments that can be performed to illustrate the main concepts of physical optics (except coherence). Its content should be of interest to the teachers and students at high school and early years of university.
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