For other articles bearing the name of the physicist, see Fraunhofer (disambiguation).
For broader coverage of this topic, see Fraunhofer diffraction.
In optics, the Fraunhofer diffraction equation is used to model the diffraction of waves when the diffraction pattern is viewed at a long distance from the diffracting object, and also when it is viewed at the focal plane of an imaging lens.[1][2]
The equation was named in honour of Joseph von Fraunhofer although he was not actually involved in the development of the theory.[3]
This article gives the equation in various mathematical forms, and provides detailed calculations of the Fraunhofer diffraction pattern for several different forms of diffracting apertures, specially for normally incident monochromatic plane wave. A qualitative discussion of Fraunhofer diffraction can be found elsewhere.
^Born & Wolf 1999, p. 427
^Jenkins & White 1957, p. 288
^"Fraunhofer, Joseph von (1787-1826) -- from Eric Weisstein's World of Scientific Biography".
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