The interaction of light and a three-dimensional object, such as a particle, results in scattering that is not simply a product of diffraction, but arises from the refraction and absorption of light as well. At a given wavelength, Fraunhofer's theory predicts the angular location of the scatter maxima and minima as a function of an object's size.Īlthough Fraunhofer theory accounts for how these patterns of light and shadow are created, the diffraction of light is a phenomena produced by the interaction of light and an object that is essentially two-dimensional, such as a disk or a hole in a sheet of cloth.
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