Concept information
Terme préférentiel
Fraunhofer diffraction
Définition(s)
- In optics, the Fraunhofer diffraction equation is used to model the diffraction of waves when plane waves are incident on a diffracting object, and the diffraction pattern is viewed at a sufficiently long distance (a distance satisfying Fraunhofer condition) from the object (in the far-field region), and also when it is viewed at the focal plane of an imaging lens. In contrast, the diffraction pattern created near the diffracting object (in the near field region) is given by the Fresnel diffraction equation. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Fraunhofer_diffraction)
Concept(s) générique(s)
Traductions
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français
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approximation de Fraunhofer
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diffraction en champ lointain
URI
http://data.loterre.fr/ark:/67375/MDL-D5PDRD36-Z
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