Principle of Babinet
In Physical, the principle of Babinet is a bearing theorem on the Diffraction. It stipulates that the form of a figure of diffraction is the same one if it is obtained starting from an opaque body or from “combined” sound, obtained by boring a plate with the sites where this body is located.
The simplest example of use of this theorem is the Diffraction by a slit: the figure is the same one with a slit or a tended wire.
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